Top Software Development Companies in California
Not sure which
agency is right for you?
Tell us about your project, and get matched with agencies that fit your requirements.
Explore Reviewed Software Development Companies in California — Find Skilled Software Developers for Your Project
Certain agencies may be featured through sponsored placements. Rankings and SF Scores remain unbiased and are based solely on our evaluation methodology.
465 Companies
Filter by
-
USA
-
California
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Award-winning Custom Website & Mobile App development company.
Beesoul is an award-winning Digital Consulting and engineering company offering end-to-end development solutions to Enterprises, Silicon Valley Founders, Agencies, and Startups worldwide. Our clients include Wholistic Minds Inc., Herojo LLC, Glocal LLC, Fullmoon, Fincrime Consultants, Hotel & Homes, Spark Car, etc. YOU, TOO, CAN TRUST BEESOUL! We have a strong team of UI/UX experts, developers, business analysts, QA engineers, and project managers who support you in each phase of the development process, from the requirements analysis to the project release. We work most popular technology stacks, including MERN, .NET, PHP, React.js, WordPress, Shopify, Bubble, React Native Flutter, etc. Our services include - 1) UI/UX Consulting 2) Product Engineering 3) Web Application Development 4) Mobile App Development 5) Custom Software Development 6) Quality Assurance and Testing 7) DevOps 8) eCommerce Development We engage with the client in the following ways - 1) Fixed Price - For relatively small & and short projects with well-defined requirements 2) T&M - For medium to large, lengthy projects with high requirement flexibility. 3) Staff Augmentation - Outsourced developers work remotely with your in-house team and are managed by you directly. 4) Dedicated team - An outsourced team covers a part of the development project and is managed by our PM. NEXT STEPS? We’re actual humans here on the other side. Please send us an email at info@beesoul.co (same-day response guaranteed!)
View Beesoul LLC Profile$25-$49/hr
$1,000+
34+
Richmond, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
CRM Development Company
At Code Garage Tech, we simplify your marketing, sales, and customer support with our expert CRM development services. As a leading CRM development company, we offer seamless solutions for customer tracking, purchase history, and contact management.
View Code Garage Tech Profile$25-$49/hr
$10,000 - $10,000
10 - 49
Oakland, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Igniting Your Online Presence by Going the Extra Mile.
At TechWebsters, our expertise lies in providing the best web design and development services customized to our client's specific requirements. We provide dependable hosting services, website redesigns, and custom website development. Our dedication lies in offering cost-effective, top-notch services that assist companies in improving their online visibility. We build aesthetically pleasing, incredibly functional, and user-friendly websites by fusing cutting-edge technology with creative design. TechWebsters offers robust hosting services and web design and development to ensure your website stays safe, quick, and accessible. Our hosting solutions are made to be scalable to meet your company's expanding requirements. At TechWebsters, we value forming enduring connections with our customers by providing continuing assistance and upkeep to ensure the smooth operation of your website. Our emphasis on cost-effectiveness does not mean sacrificing quality; we use our knowledge to provide outstanding value. Experience the difference of working with a committed team focused on your digital success when you partner with TechWebsters.
View TechWebsters ProfileN/A
$500 - $5,000
2 - 10
Carlsbad, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Accelerating Experiences With Synthesized Synergy
Cyntexa is a leading IT consulting company specializing in Salesforce consulting and development services. As a Salesforce Summit Consulting Partner, we help businesses harness the full potential of Salesforce through custom development, consulting, implementation, and managed services. With a proven track record of over 900 projects and 675+ satisfied customers, our 400+ cloud experts deliver scalable and tailored Salesforce solutions that drive digital transformation. Our Salesforce Expertise We provide end-to-end Salesforce consulting to help organizations strategize, optimize, and maximize their Salesforce investments. Our Salesforce development services include building custom applications, integrations, and automation solutions that enhance business efficiency and customer engagement. Whether you need Salesforce managed services, UI/UX design, or full-scale implementation, our team ensures seamless deployment and long-term success. Beyond Salesforce: Other Key Services While Salesforce is our core expertise, we also offer solutions across: ServiceNow – Drive exceptional employee & customer experiences with our ServiceNow services including consulting, implementation, development, integration, migration, and managed services. Nintex – Designing and implementing workflows that streamline processes and improve decision-making. Cloud Consulting – Helping businesses optimize their Google Cloud, AWS, and Azure investments with strategic consulting, migration, and managed services. IT Staff Augmentation – Providing on-demand skilled professionals to scale your team efficiently. At Cyntexa, we are committed to delivering innovative solutions that drive measurable results. Whether you need a Salesforce implementation partner or a custom development team, we are here to help you accelerate growth and enhance customer experiences.
View Cyntexa Labs Pvt.Ltd Profile$50-$99/hr
$5,000+
400+
San Francisco, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom Immigration Software Solutions
As an AI app development company, we build AI-powered applications that go beyond traditional software. Our smart solutions help businesses automate tasks, make faster decisions, and deliver better user experiences. Whether you need a custom chatbot, predictive analytics tool, or a full-scale AI app, we turn complex ideas into simple, powerful products. With a focus on real results, we design apps that grow with your business. Ready to unlock the power of AI? Contact us at +18507801313, and let’s build together!
View BOSC Tech Labs Profile$25-$49/hr
$20,000 - $35,000
50 - 100
Burbank, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Experts in Designing Websites That Captivate and Convert.
Custom Website Creator is a premier digital solutions agency based in Stockton, California, specializing in top-tier web design, development, and digital marketing services across the United States. With over seven years of industry expertise, we focus on building custom websites and applications that enhance brand presence, boost user engagement, and deliver measurable success. Our solutions cater to businesses of all sizes, from startups to large enterprises, ensuring tailored strategies that align with their unique objectives. Whether designing a visually captivating website, developing a high-performance application, or implementing data-driven marketing campaigns, we excel in transforming ideas into powerful digital experiences. At Custom Website Creator, we combine creativity with advanced technology to deliver results that surpass expectations. Our core services include responsive web design, robust web development, SEO, social media marketing, and mobile app development. Each project reflects our commitment to quality, innovation, and client satisfaction. Located at 5343 Carrington Cir #18, Stockton, CA, our expert team works closely with clients to understand their vision, ensuring our solutions are not only visually impressive but also optimized for scalability and performance. Partner with Custom Website Creator to establish a strong online presence, elevate your brand, and drive long-term growth in today's competitive digital landscape.
View Custom Website Creator Profile$50-$99/hr
$1,000 - $2,000
10 - 49
Burnham, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Android Application Development Agency UAE
Unlock the potential of your business with our leading Android application development agency in the UAE. We specialize in crafting cutting-edge Android apps to elevate your brand and drive success. Contact us now for custom solutions that deliver results.
View Silver Webbuzz PVT LTD ProfileN/A
$1,000 - $0 - $3
10+
San Jose, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Climb to the Top with Peak Ranker LLC.
At Peak Ranker LLC, we specialize in helping businesses climb to the top of the digital world. Based in San Diego, California, we offer a full range of development, marketing, and advertising services designed to drive real results. Whether you're a startup or an established business, our expert team delivers custom web solutions including Web & Mobile App Development, WordPress Sites, CRM Systems, and more. Our marketing services are built to grow your brand through SEO, SEM, Social Media Marketing, and Strategic Branding. We also provide ads management across major platforms — including Google Ads, TikTok Ads, and Social Media Ads — to maximize reach and ROI. From optimizing your Google Business Profile to implementing full-scale Website SEO, Peak Ranker LLC is your trusted partner for growth-driven digital success. ? Phone: (510) 689-1911 ? Address: 421 Broadway Apt 3, San Diego, CA 92101 ? Email: support@peakrankerllc.com ? Serving Clients Nationwide
View Peak Ranker LLC Profile$25-$49/hr
$199 - $5,000
100 - 200
San Diego, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Find the perfect Resource for you business
We are a leading staff augmentation and offshore software development company based in the USA, specializing in providing skilled talent for diverse projects. Our expert developers seamlessly integrate with your team, delivering high-quality solutions across various technologies. With a focus on innovation, reliability, and cost-efficiency, we empower businesses to scale quickly and achieve their project goals with confidence.
View Progressarc ProfileN/A
$1,000 - $0 - $1
10 - 49
Irvine, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
CircleTech is a leading Software services provider
CircleTech is a global technology partner that bridges visionary ideas with exceptional engineering expertise. Our team goes beyond traditional software development, crafting innovative, data-driven solutions that propel businesses forward. Powered by a deeply human-centered approach, we design cloud-native technologies that don’t just solve today’s challenges but anticipate tomorrow’s opportunities.
View CircleTech ProfileN/A
$997+
1 - 50
California City, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Digital Marketing Agency
Results-driven digital marketing agency dedicated to transforming your ideas into captivating digital experiences. We help businesses engage their audiences and achieve measurable success through innovative web design, compelling content creation, and advanced digital strategies.
View Atmos Digital Profile$25-$49/hr
$400 - $800
15 - 20
Glendale, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
One agency. Endless services. Zero drama.
Meta Core is an award-winning digital agency revolutionizing web and app development with high-impact, user-centric solutions. Specializing in AI-driven websites, mobile apps, and digital transformation, they deliver measurable results for clients like SYNLawn, Redefine Meat, and AIG. Their "Brandformance" approach blends intuitive UI/UX, SEO-optimized design, and scalable tech to boost conversions and visibility. With 45 awards in two years, Meta Core excels in competitive markets, though transparency on pricing and tech stacks could enhance appeal. A top pick for businesses seeking innovative digital excellence.
View Meta-Core ProfileN/A
$1,000 - $2,000
50 - 100
Fresno, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Full-Stack Innovation for Web, Mobile & Cloud
A product-first mindset drives Squareboat. We help startups and enterprises design, build, and scale modern software products with world-class engineering teams. Design-First Web & Mobile Development Company Founded in 2013, Squareboat is a design-first technology company trusted by startups and enterprises worldwide. We build products that are fast, scalable, and delightful to use. What we do: 1. Web & Mobile Development: Future-ready platforms that power growth and handle scale effortlessly. 2. AI & Machine Learning: Intelligent solutions that drive data-backed decisions and unlock new opportunities. 3. UI/UX Design: Crafted by our in-house design studio, Grid Design, to deliver intuitive and memorable experiences. 4. Crewmate (Staff Augmentation): On-demand world-class engineers and designers to help businesses scale without limits. If you’re looking to build, scale, or reimagine your digital product, we’d love to collaborate. Services: Web Development Mobile App Development Software Development Web Designing (UI/UX) DevOps IT Staff Augmentation
View Squareboat Profile$25-$49/hr
$5,000 - $10,000
50 - 100
San Francisco, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
App development & digital platforms made simple
Robosoft Technologies is an experience engineering company trusted by large global enterprises, ambitious startups, and mid-size companies worldwide. Our mission is to simplify every aspect of digital life, from utility services to entertainment and productivity at work. We work with Warner Bros. Discovery, HP, ESPN, Invesco, Viacom, McDonald’s, Disney, HSBC, and many more to craft delightful, intuitive digital experiences by converging expertise in Digital Consulting, Experience Design, Software Engineering, Enterprise Applications, Core Engineering & Simulation, and Data & Analytics. Why Robosoft? We help enterprises in four key areas of digital transformation: Evolve: digital product strategy & process optimization Engage: exceptional experiences that build engagement & loyalty Engineer: harness technologies for digital experience and enhance IT operations Empower: optimize business operations through data & security solutions We are chosen for our expertise in: Mobile App Development Web Development Cross-Platform Application Development Seamless UI/UX designs across devices & platforms Digital Transformation solutions Custom Software Development Key industries we serve include: Banking, Financial Services & Insurance Media, News & Entertainment Retail, E-Commerce & Consumer Services Property & Real Estate Automobile, Manufacturing & Construction Pharma & Healthcare Travel, Tourism & Leisure Our team of 900+ is skilled in all aspects of software development, including the use of emerging technologies such as voice, AI, and Machine Learning. We have 11 offices globally in India, the USA, the UK, and Japan. We have over 25 years of experience in software development and have developed over 2000 digital products for 150+ clients worldwide. Connect with us today to start the journey of delightful digital experiences.
View Robosoft Technologies Inc. Profile$50-$99/hr
$25,000+
250 - 999
San Francisco, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Amplify your potential. Unlock more value, impact, and speed from your DXP investment.
We Build Technology for Brand Marketers and Agencies Oshyn partners with some of the best brands and creative agencies in the world to create exceptional digital marketing solutions. By providing services, technology, and platforms we enable creative talent to focus on what they do best: create amazing work. Over the last 25 years, we've built a stellar reputation for delivering exceptional customer experiences via marketing technology. We’ve worked with top brands, including Dole, UMass Global, Volkswagen, and Aetna. And we’ve partnered with top creative talent like Sapient-Razorfish, Crispin Porter + Bogusky, 72andSunny, and many more. Our unique application of proven processes, best-in-class technology, and deep expertise delivers memorable brand experiences and expands and enhances agency capabilities. We are passionate digital marketing & web technology experts who love solving big problems.
View Oshyn, Inc Profile$100-$149/hr
$5,000 - $800,000
50 - 75
Cypress, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Boost Your Online Presence with Iconier
Iconier Digital Marketing Agency helps businesses across the USA grow online with smart, results-driven digital solutions. We specialize in Digital Marketing, SEO Services, Web Design, Web Development, Internet Marketing, and Graphic Designing tailored for startups, local businesses, and established brands. Our team focuses on improving online visibility, generating quality leads, and creating modern websites that convert visitors into customers. Whether you need local SEO services, a custom business website, or a complete online marketing strategy, Iconier delivers personalized solutions with real results. We proudly serve clients nationwide from our offices in Las Vegas, Dallas, Austin, Los Angeles, and Fort Worth. Contact Iconier today to grow your brand, increase traffic, and take your business to the next level.
View Iconier Digital Marketing Agency Profile< $25/hr
$30 - $1,000
50+
Las Vegas, USA
27
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Programming ideas
Deftsoft is a technology and digital marketing company that helps businesses create stronger digital experiences through web development, mobile app development, web design, digital marketing, SEO, PPC, social media marketing, AEM, blockchain, metaverse, and AI-driven solutions. With years of experience in technology and online growth, Deftsoft supports startups, growing brands, and enterprises with services built around performance, usability, and measurable business outcomes. The company is especially proactive in adopting and integrating AI across its work. Deftsoft helps businesses use AI for smarter applications, automation, content workflows, customer engagement, search visibility, and digital transformation. Its AI capabilities include AI software development, generative AI solutions, AI SEO, machine-learning-based features, and intelligent automation to improve speed, accuracy, and decision-making. What makes Deftsoft’s approach balanced is its focus on both technology and marketing. The team not only build digital products. It also helps businesses improve visibility, attract the right audience, and convert traffic into growth through SEO, paid advertising, content strategy, and AI-powered optimization. By combining human expertise with modern AI tools, Deftsoft helps brands stay competitive in a fast-changing digital landscape.
View Deftsoft ProfileUndisclosed/hr
$300+
100 - 300
Sacramento, USA
26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
An ISO 27001 Certified Digital Agency
Incorporated in 2009, VOCSO Technologies is an ISO 27001 certified eCommerce solutions company located in the USA. It has its service centers based in India and UAE. VOCSO is a one-stop solutions firm offering website design and development, mobile application design & development, and digital marketing services. The professionals understand clients’ online business to provide them with engaging website design, responsive website development, and results-driven digital marketing services that engage more clients and drive sales at a cost-effective price. The experts focus on developing a functional website with a clear interface to make clients’ businesses succeed. The team at VOCSO holds varied and extensive knowledge of cutting-edge technologies, which help them, suggest clients for alternative solutions and pick the best. The take-home result is a quality and effective solution without costing a fortune to its clients, i.e., peace of mind! Each professional at VOCSO is an expert in their respective fields, along with years of experience developing different web solutions for clients of varied verticals. The team understands how vital clients’ business is; hence they closely work with the clients to understand their business thoroughly and ensure that they have apprehended the unsaid bits as well in order to prevent unexpected overages in their respective projects. Having 10 years of experience, VOCSO has 600+ satisfied customers along with a 95% client-retention rate and 100% positive reviews.
View VOCSO Technologies ProfileUndisclosed/hr
$1,000+
50 - 249
Orange, USA
Verified Client Review
Website Revamp for Snow Sport Instruction Business
Reviewed by: Colin Tanner, Director at SITCo Ski Snowboard Training New Zealand View all 4 Reviews26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Building Smarter Web & Mobile Solutions Globally
Founded in 2012, Aipxperts is a leading information technology company specializing in delivering innovative, market-driven web and mobile solutions. With over 280 successful projects and 160+ global clients, we are trusted partners for startups, SMEs, and enterprises seeking scalable digital transformation. Our expertise spans custom software development, mobile app development, web development, consulting, and offshore IT services, enabling businesses to enhance operations and achieve measurable growth. At Aipxperts, we prioritize long-term relationships by combining technical excellence with a client-first approach. Our mission is simple—empower businesses with reliable, cost-effective, and future-ready solutions that drive success in today’s competitive digital landscape.
View Aipxperts Technolabs Profile$25-$49/hr
$10,000+
50 - 249
Milpitas, USA
Verified Client Review
Developing Mobile Apps for Development Companies
Reviewed by: Sirobin, President at AppsoftUS Inc View all 4 Reviews26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Driving Growth Through Digital Marketing and Web Solutions
Autus Digital Agency is a results-driven digital marketing and web development company dedicated to helping businesses grow online. We combine creativity, technology, and data-driven strategies to deliver measurable results that elevate your brand. Our team of experts specializes in SEO, PPC, social media marketing, and web design & development, ensuring a comprehensive approach to digital success. SEO (Search Engine Optimization): We enhance your website’s visibility and rankings through tailored SEO strategies that attract high-quality organic traffic and drive conversions. PPC Advertising: Our pay-per-click campaigns are strategically designed to deliver maximum ROI by targeting the right audience with compelling ads, generating immediate leads and traffic. Social Media Marketing & Management: We craft engaging social media campaigns, manage your platforms, and build meaningful connections with your audience, increasing brand awareness, engagement, and conversions. Web Design & Development: Our designers and developers create visually stunning, responsive, and user-friendly websites that provide seamless experiences, optimized for performance and conversions. At Autus Digital Agency, we focus on custom digital solutions that align with your business objectives, helping startups, SMEs, and enterprises achieve sustainable growth. Partner with us to transform your online presence into a powerful business asset.
View Autus Digital Profile$50-$99/hr
$10,000+
50 - 249
San Jose, USA
Verified Client Review
26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Partner. Not yet another development company.
An award-winning software development company called MLSDev creates digital products for SMBs, major brands, and driven businesspeople with great ideas.
View MLSDev Profile$25-$49/hr
$25,000+
50 - 249
Belmont, USA
Verified Client Review
Mobile App & Website Dev for Healthcare Innovation Firm
Reviewed by: Abdullah Al Jarallah, President at Kure Life View all 4 Reviews26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Top Nearshore Software Development Firm
Top Nearshore Software Development Firm based in San Diego, CA, with delivery center in Guadalajara, Mexico. How we can help you with: Mobile Applications, Development Maintenance & Support, Web Applications Development y Testing and Quality Assurance. Whether you are looking for a whole software development of your project or just need specific developers with certain skills and experience who can help your team internally, we can help you make the right choice.
View Codebay Profile$25-$49/hr
$25,000+
50 - 249
San Diego, USA
Verified Client Review
Sales System Dev for Gourmet Hotdogs Company
Reviewed by: Armando Kramer, Chef & Founder at Doniz Würst View all 3 Reviews26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Ideas That Grow Brands
We are a group of passionate techies committed to assisting companies in reaching a wider audience via digital channels. In order to improve corporate performance, our customized digital solutions focus on efficient methods of reaching, interacting with, and satisfying the target audience. High Goal Attainment Enhancement of Operational Efficiency through Exponential Growth Solutions for Digital Marketing That Work
View YourDigiLab Profile$50-$99/hr
$50,000+
50 - 249
Los Angeles, USA
Verified Client Review
Web Dev, UX/UI Design & SEO for AI Software Co
Reviewed by: Ryan Ortiz, VP of Engineering at Ada View all 3 Reviews26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Zeal Of Being Innovative
A major provider of IT solutions and an ITES firm in Ahmedabad, Zobi Web Solutions has been hailed by industry insiders as one of the most promising start-ups. We enjoy a solid reputation for producing and offering only the highest calibre of projects and services. Our solutions are comprehensive, simple to use, and in line with emerging trends since they are shaped by customer needs. Our solutions transcend departmental boundaries and are distinguished by obvious advantages for business domains that appear to be distant from the solution's primary goal. High levels of customer satisfaction are a direct result of our unwavering commitment to giving our customers more value.
View Zobi Web Solutions Private Limited Profile$25-$49/hr
$10,000+
10 - 49
Palo Alto, USA
Verified Client Review
Hybrid App Development for Software Company
Reviewed by: Racovita Alexandru, Manager at NextIT Solutions View all 3 Reviews26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Digital excellence in every click
CartelSpark is your one-stop digital marketing agency in the USA. We're a team of digital marketing experts who understand your business goals and the online landscape you're navigating. We're a digital marketing agency in the USA that speaks your language and understands your unique challenges. We use proven strategies like Search Engine Optimization (SEO) to get your website seen by more people, Pay-Per-Click (PPC) ads to target the right customers, and social media marketing to connect with your target audience. Plus, we create high-quality content that educates potential customers about your industry, showcases your expertise, and establishes you as a thought leader. This content can take many forms, such as informative blog posts, engaging social media content, or even eye-catching infographics. By consistently creating valuable content, you'll attract more visitors to your website, convert them into leads, and ultimately turn them into loyal customers. Don't let your competitors steal the spotlight online. Let CartelSpark be your partner in growth! We'll work with you to develop a data-driven strategic plan that gets you the desired results.
View CartelSpark Profile$50-$99/hr
$1,000+
7+
Pasadena, USA
26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your Vision. Our Strategy. Real Results.
GlobeSign is a company that is dedicated to assisting clients in achieving their desired business outcomes by providing a range of services, including Branding, Website Design, Website Maintenance, Search Engine Optimisation (SEO), Pay-Per-Click Advertising (PPC), and Social Media Marketing. GlobeSign's team of specialists is enthusiastic about assisting businesses in expanding in the contemporary digital landscape, where consumers conduct online research prior to making purchasing decisions.
View GlobeSign ProfileUndisclosed/hr
$2,000 - $1,000,000
10 - 50
San Francisco, USA
26
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
A strategic analytics & technology consulting firm
We enable businesses and their teams to succeed by leveraging customer data and AI. Our mission is to humanise the digital transformation journey, empowering businesses to harness the potential of customer data and AI while focusing on the human capabilities within their workforce. We achieve this by offering practical consulting solutions for optimisation, personalisation, and innovation in IT and marketing departments. For more information on our solutions, services, and supported technology platforms, please visit our website.
View Three Ventures Technology, Inc. Profile$200-$300/hr
$5,000+
10 - 49
Roseville, USA
Verified Client Review
Google Ads Optimization for Private Equity Company
Reviewed by: Carter Crick, Head of Marketing at NEXT 10 View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Put innovation on repeat.
Crowdbotics drastically speeds up the software development lifecycle by utilizing generative AI and reusable code. We offer development teams a software platform in addition to application development services. We can help you develop ahead of schedule and within your budget, regardless of whether you have a single app idea or a whole innovation strategy. As business expand, use our CodeOps platform to get large ideas to market more quickly, optimize internal procedures, and uncover compounding rewards! To discuss your demands for app development, get in touch with a specialist right now.
View Crowdbotics Profile$50-$99/hr
$10,000+
50 - 249
Berkeley, USA
Verified Client Review
Multiple iOS & Android App Dev Projects for IT Company
Reviewed by: Robbi Anthony, CEO at Firedove Tech View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your IoT Solution and Product Engineering Partner
Gadgeon is an end-to-end IoT Solution development partner in the digital transformation journey of its customers. We are an ISO 9001:2015 certified electronic product design and development company. Established in 2011 with 70 plus satisfied customers across the USA, Europe, Australia, Middle East, and India. We are proud to have a track record of very low talent attrition over the years. Gadgeon delivers end-to-end solutions from product development to deployment including hardware, firmware, and applications. Our extensive experience in end-to-end IoT, Industrial IoT, M2M technologies, network/communication technologies, application management, cloud, analytics, testing, and test automation frameworks enable our customers in building new business models and realizing value from their IoT and digital transformation journey.
View Gadgeon Systems Inc. Profile$25-$49/hr
$1,000+
250 - 999
Milpitas, USA
Verified Client Review
Software Development for an IoT & Managed Network Provider
Reviewed by: Tushar Sachdev, CTO at KORE Wireless View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We Systemize Success & Automate Growth
Innovation & Digital Transformation Strategy: Evaluate & Fix Digital Foundations. Use Technology to Systematize Growth and Map Business Processes worldwide group of digital strategists, engineers, and automators. Development that is focused on open source: WordPress, Laravel, Drupal, JS, and DBT Facet Interactive leads businesses through faster analytics, automation, and development, systemizing success through technological transformation. By combining onshore talent with near- and off-shore teams, we leverage our global remote culture to empower clients through technology transformation, managed delivery, and strategic partnerships. —Website Design & Development: Using atomic design, component-driven development, and integrated DevOps for end-to-end website administration, we create digital media publishing portfolios for major brands. Web application development and process engineering: We create integrated applications and process engines to help businesses do more work with fewer employees by automating work delivery. —Drupal, Laravel, WordPress, DevOps, JS Full-Stack Product Development: We provide integrated best practices and product strategy to support content management systems. () —Digital Strategy & Digital Transformation: We give our partners the framework they need to create success engines powered by data. —Data Management - DW, DL, BI: To set up digital trials, we employ end-to-end data analytics. —Quantitative Market Research: We identify, develop, and validate growth-oriented revenue sources. —Agile Process Design & Business Process Automation: To create understanding between businesses and customers, we propose, define, and improve processes that teams use.
View Facet Interactive Profile$100-$149/hr
$5,000+
10 - 49
El Segundo, USA
Verified Client Review
Website Design & Dev for Compliance Company
Reviewed by: Diana Oneto, Owner at One2s Compliance View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Stuff built together. Stuff built right.
You need multidisciplinary technology specialists whether you're an established business leader looking to go digital or an entrepreneur ready to realize your vision. Along with being discussion partners who get your company strategy, these professionals should also execute with the customer focus and attention to detail that only true engineers and geeks can provide. You might have a complex enterprise integration that calls for a highly skilled team that you can rely on to complete it correctly, or you might be looking to collaborate with a team to redesign your website and brand presence, design and develop a new product, or create an interactive experience that showcases the work of your company. We possess the expertise, the abilities, and the network to help you.
View GeekOffice Profile$150-$199/hr
$10,000+
2 - 9
Pasadena, USA
Verified Client Review
Custom Software Development for Logistics Platform
Reviewed by: Andy Otterman, CIO at Loadsmith View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Software Factory and Digital Product Development
We are a software factory that develops technical solutions for businesses of all sizes. We operate under the assumption that all businesses view technology as an ally rather than a necessary barrier. Drago's House provides you with solutions tailored to your needs because, although being in the same industry as other businesses, yours is unique and has owners, staff, users, and clients who all have individual needs.
View Drago's House Profile$100-$149/hr
$10,000+
10 - 49
San Jose, USA
Verified Client Review
Web Dev for Digital Magazine
Reviewed by: Hugo Sandoval, Editorial & Business Director at Soluciones y Negocios View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Developing Enterprise Products: Bringing Innovation
CoreView is a leading enterprise software development company with over a decade of experience delivering scalable, secure, and compliant digital solutions. Combining technology expertise, domain knowledge, and business strategy, we help global enterprises modernize legacy systems, accelerate innovation, and optimize performance. Our team partners with CTOs, product owners, and startups to design and deploy high-performance web, mobile, and hybrid applications. With 150+ successful projects for clients like Intel, Staples, Quick Heal Technologies, and Kinivo, CoreView has earned a reputation for excellence in software engineering. Services include: Enterprise Software Development, Legacy Modernization, AI & Machine Learning, and Product Engineering. Empowering innovation since 2011.
View Coreview Profile$25-$49/hr
$50,000+
50 - 249
Fremont, USA
Verified Client Review
Developing Custom Software for an E-Commerce Business
Reviewed by: Sharad Mittal, CEO & Founder at Kinivo View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
A Leading Tech Talent Platform
Uplers is a leading digital marketing and web development agency and has served 7000+ global customers in a span of 7 years. Their expert team of over 500 passionate professional web developers, thrive to deliver great results and experience in each project. This USA-based web design company provides a quicker turnaround time for Web development services and extends 24*5 support. Their support teams work round the clock in different time zones to accommodate their clients in every region. This allows enough time to provide on-time delivery, even with tight deadlines, and extend assistance when needed.
View Uplers Profile$50-$99/hr
$1,000+
250 - 999
San Diego, USA
Verified Client Review
Google Ad Campaigns for Collectible Retailer
Reviewed by: Nick Campion, Business Owner at Ukiyo Kumo Ltd. View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We help startups build apps that users love
Bloorsoft is a boutique software development company with offices in Toronto and San Francisco that focuses on working with backed startups. We assist entrepreneurs in creating items that consumers adore. The Bloorsoft team, which has over ten years of experience, is committed to producing high-quality, scalable products quickly. Our goal is to assist industry professionals in realizing their ideas and making a difference in the world because we have lived and breathed startups. We can work with your stack, so don't worry about vendor lock-in. Every product is created with your unique objectives and our top tactics in mind. Bloorsoft has worked with successful portfolio companies from accelerators like Founders Inc. and Next Canada. Our projects range from custom software for smart glasses in health care to tools that will help climate change companies apply for grants faster. Whether you are a founder, investor, or someone who is passionate about startups, feel free to reach out to us. We'd love to hear from you!
View Bloorsoft Profile$100-$149/hr
$10,000+
2 - 9
San Francisco, USA
Verified Client Review
Custom Software Development for Virtual Therapy Clinic
Reviewed by: Burhan Qadri, Founder at Virtual Therapy Clinic View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Our Designs Speak For Themselves
Presenting Revealize: A company that has won awards for designing and developing websites and mobile applications. At Revealize, we take great satisfaction in offering state-of-the-art design, development, and strategy services for web and mobile applications. We are dedicated to improving your online visibility by providing solutions that are specifically designed to meet your demands. Every element of your unique app or website is painstakingly created to meet the unique objectives of your business. What We Offer: Website development and design that has won awards Design and development of web applications Design and development of mobile applications Designing a user interface (UI) and user experience (UX) Platform integration and e-commerce solutions Implementation of a content management system (CMS) Application architecture and custom software development Testing and quality control Upkeep and assistance for websites and applications Digital consulting and strategy Our Method At Revealize, we take a three-step approach to make sure every project meets the goals of our clients and produces exceptional outcomes: Discovery: We spend time learning about your company, target market, rivals, and industry. Strategy: To create unique solutions that complement your objectives and vision, our team uses planning and critical thinking. Execution: We create and design top-notch software, web and mobile applications, and websites that meet your requirements and create a strong return on investment.
View Revealize Inc. Profile$150-$199/hr
$25,000+
10 - 49
Newport Beach, USA
Verified Client Review
Website Redesign & Development & SEO for Photo Agency
Reviewed by: Laura Andonian, Founder at The JUDE Group View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Next-Level UX/UI & Web Design
Almax Design Agency offers custom projects, fueled by Figma experts, webflow masters, and UX/UI innovators. They provide fast turnarounds, daily communication, and a custom approach for startups and enterprises. Their services include Figma, webflow, WordPress, Adobe XD, Illustrator, React Native, Axure, InVision, Marvel, HTML5, CSS3, and JavaScript.
View ALMAX Design and Development Agency Profile$50-$99/hr
$1,000+
50 - 249
Los Angeles, USA
Verified Client Review
Branding, Logo & Graphic Design for Carpet Cleaning Company
Reviewed by: Thibault Grillot, Owner at FreshWave Carpet Care View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Comprehensive IT, Cybersecurity, and Digital Solutions
Based in Orange County, CA, our agency is a leading provider of managed IT services, cybersecurity, and digital marketing for small and mid-sized businesses. We specialize in keeping systems secure, networks optimized, and providing expert support whenever it’s needed. Our proactive IT management approach ensures faster response times, fewer technical issues, and cost-effective solutions, leveraging the latest tools and industry best practices alongside a team of experienced support engineers. By proactively monitoring networks, we minimize downtime, enhance productivity, and maximize ROI. Our dedicated tech support team works as an extension of your business, providing centralized, reliable assistance no matter where your employees are located. With flat-rate, full-service IT packages, we make technology management simple, affordable, and effective. Beyond IT, we understand how the right hardware, software, and digital systems can boost marketing performance, streamline operations, and accelerate sales cycles. Our goal is to empower businesses to leverage technology to achieve measurable growth, profitability, and efficiency. We partner with organizations seeking affordable, high-performance IT solutions, offering tailored support, cybersecurity protections, and proactive network management that keep businesses running smoothly and securely in today’s connected world.
View IT Tropolis ProfileN/A
$1,000+
10 - 49
Orange, USA
Verified Client Review
Cybersecurity and IT Management Services for an Exporting Firm
Reviewed by: Macrino Melo, VP & General Manager at Sage Hill Northwest, Inc View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Access to the Top 1% of Latin American Talent
Leading custom software and nearshore staff outsourcing firm Bluelight specializes in assisting Fortune 500, medium-sized, and startup businesses in developing innovative software solutions. Software Development Services, Staff Augmentation, Development Teams, DevOps and Cloud Services, SOC 2 Compliance, Data Engineering, Custom AI Solutions, QA Testing & Automation, and many more are among the many services we provide.
View Bluelight Profile$25-$49/hr
$10,000+
50 - 249
Sacramento, USA
Verified Client Review
CRM System Dev for Travel Agency
Reviewed by: Jeremy Oestreich, COO at Goldrush Getaways View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Nearshore Software Development Company
Distillery is a leading nearshore software development company that supports innovative technology teams by placing senior technical leaders and deploying fully managed teams. They work with brands like eBay, Carvana, City National Bank, and Rakuten to accelerate strategic innovation.
View Distillery Profile$50-$99/hr
$50,000+
250 - 999
Manhattan Beach, USA
Verified Client Review
App & Web Design for Digital Mapping Company
Reviewed by: Mikhail Somov, CEO at Laniakea Continuum View all 2 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Custom software development and consultancy services
We at AKOS are a top development firm for companies in high-impact industries that are in their growth stages. Our group is known for creating cutting-edge websites, unique software, mobile apps, and integrated systems that support businesses in launching new ventures and confidently growing. Our diverse staff is dedicated to finding innovative solutions for challenging issues. We support the transformation of the digital presence and processes that underpin global non-profits, creative start-ups, and traditional businesses. Our human-first approach to redeveloping your most urgent technology is based on brave code and constant learning.
View AKOS Profile$100-$149/hr
$25,000+
10 - 49
Scottsdale, USA
Verified Client Review
Web App Design & Development for RV Retail Company
Reviewed by: Joshua Van Valkenburg & Carrie Richards, Founder & Operations Manager at Dealer Backstock View all 3 Reviews25
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
The #1 AI-Automation & System Integration Agency
We streamline your business operations by automating manual processes through seamless integration of your internal tools and workflows. With over 150 active clients, we've saved tens of millions of dollars collectively. Our automation services cover everything from onboarding and operations to project management, HR, documents/contracts, sales, marketing, and much more across various industries.
View Axe Automation ProfileN/A
$1,000+
10 - 49
Marina del Rey, USA
Verified Client Review
Robotics Process Automation for Paralegal Services Co
Reviewed by: Robert Di Lisi, Managing Partner at Stonegate Legal Services View all 2 Reviews24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
We help entrepreneurs build software solutions that matter
UpsilonIT is a U.S.-based custom web and software development company helping startups and SMBs solve complex business challenges with scalable digital solutions. From product discovery and MVP development to full-scale, market-ready platforms, UpsilonIT delivers high-impact web and mobile applications across logistics, finance, healthcare, retail, art, and more. Trusted by global clients such as Christie’s, ThoughtSpot, and Collectrium, the company serves businesses across North America, Europe, Scandinavia, Israel, and Central Asia. Backed by a 50+ member team of experienced developers, designers, QA engineers, and data scientists, UpsilonIT combines deep technical expertise with a results-driven approach to build secure, innovative, and future-ready software products.
See all 2+ Case Studies$25-$49/hr
$1,000+
10 - 49
Sunnyvale, USA
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Experts in Digital Platform Strategy and Delivery
Oomph is an award-winning digital services company helping organizations build stronger connections with customers, partners, and employees through strategic digital platforms. For over 15 years, our team of technologists, strategists, and creative professionals has delivered innovative solutions across an evolving digital landscape. We specialize in designing, developing, and managing scalable digital experiences that support engagement, efficiency, and growth. By combining technology, strategy, and creativity, Oomph drives measurable business outcomes and long-term value for brands across industries.
View Oomph, Inc. Profile$150-$199/hr
$25,000+
10 - 49
Sacramento, USA
Verified Client Review
Branding, UI/UX Design & Web Development for University
Reviewed by: Sarah Kossayda, Director of Marketing at Keene State College View all 3 Reviews24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Novel, Nurturing, Native Technologies
Established in 2017, Nurturing Technolabs is an eCommerce solutions company based out of India with technology partners in Belgium, Saudi Arabia, United Kingdom, and the USA, They create innovative and feature-rich eCommerce products efficiently for all types of business right from startups to SMB and larger enterprises to boost their online presence. Their expert eCommerce developers are well versed with modern technologies and the best practices to provide end to end eCommerce solutions. Apart from eCommerce solutions, they have also created flawless mobile and web applications, dynamic websites, custom web applications, and custom software for their clients.
View Nurturing Technolabs Profile$25-$49/hr
$1,000+
10 - 49
Elk Grove, USA
Verified Client Review
24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Your spark, our fuel
Our research and development team specializes in complicated issue solutions and developing technologies. Our areas of expertise include cybersecurity, decentralized systems, and machine learning. Our main focus is on technologically demanding initiatives where ethical benefits are linked to both technological and epistemological advancement. Our core internal principles include a passion of learning, a desire to better the lot of humanity, and egoless teamwork in which specialists teach one another ab initio comprehension of systems.
View Dreamers Inc. Profile$100-$149/hr
$25,000+
2 - 9
Los Angeles, USA
Verified Client Review
Custom Software Dev for Freight Network Software Provider
Reviewed by: Rick Burnett, Founder at LaneAxis View all 2 Reviews24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
AI powered, human led
Turing is an AGI infrastructure provider that creates and implements generative AI solutions and products for businesses handling complicated data. Global commercial organizations rely on our systems and personnel to address their business difficulties related to human intelligence.
View Turing Profile$50-$99/hr
$50,000+
250 - 999
Palo Alto, USA
Verified Client Review
Dev Staff Augmentation for Software Company
Reviewed by: Alex Ortiz-Rosado, Senior Software Engineering Manager at TeamSnap Inc View all 2 Reviews24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Risk-free software outsourcing + advisory services
For technology executives looking for top-tier software development resources and expert consulting services, Accelerance is the leading worldwide software outsourcing authority®. To eliminate the effort and uncertainty associated with outsourcing, we present the ideal partner for your company's requirements. Accelerance has been curating the greatest global network of reputable software development and systems integration companies for over two decades. The top 1% of companies are personally vetted and certified by us, giving you exclusive access to thousands—not hundreds—of the best developers and technical resources in more than 40 countries.
View Accelerance Profile$50-$99/hr
$100,000+
10 - 49
Redwood City, USA
Verified Client Review
IT Recruitment Services for ATM Solutions Provider
Reviewed by: David Glen, Group CEO at The Banktech Group Pty Ltd View all 2 Reviews24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Technology partner: on time, on budget, on quality
Access the top 1% of software engineers and designers with experience in 100+ disciplines. Accelerate your tech projects with outsourced development. Working around the world (and around the clock), we offer flexible engagement models, tailored to you. Choose between: Software Outsourcing (Project Based) Our PM & software teams build solutions. Dedicated Teams Our software teams in your organization. Staff Augmentation Our software developers in your team. Solutions: System Architecture & Design AI & Machine Learning | Leverage AI and ML technologies to enhance automation, productivity, and decision-making processes. Platform & Backend Development | .NET, Java, Node.JS - Software Engineers specialized in large scale platform development Design, UI, UX | Delight end users with intuitive and engaging user interfaces. Project Recovery & Technology Restructure Turn projects around with planning, resources, leadership and governance. Data Science Extract actionable insights from large data sets using advanced statistical and computational techniques.
View Lateral Inc. Profile$50-$99/hr
$50,000+
250 - 999
San Francisco, USA
Verified Client Review
Development Support for Home Financial Services Company
Reviewed by: John Savage, CTO at Microf View all 2 Reviews24
SF Score
SF Score is calculated using our SARM methodology to evaluate agency expertise, market presence, and overall credibility. View Ranking Methodology
Accelerate Cloud-Native Agile Development
Zymr is a full-stack cloud software development company headquartered in Silicon Valley. Combining agile development practices and cutting-edge open source technologies, we deliver fit-for-purpose software that scales with our customers’ business needs. Founded by industry veterans with decades of technology experience, we are proficient in accelerating cloud application development. With integrated Cloud, Cybersecurity, QA Automation Services, DevOps, etc. competencies, Zymr operates as a one-stop technology partner for enterprises seeking to develop or leverage their existing core IP. We have worked with some of the most demanding venture-funded startups, and mid-to-large enterprises, to render their cloud-enabled applications. Be it apps for enterprises, consumers, social media, eCommerce or IoT, we have built them all.
View Zymr, Inc. Profile/hr
$1,000+
50 - 249
San Jose, USA
Verified Client Review
Network Management System Development for Virtualization Software Company
Reviewed by: Dhana Bala, Former Senior Architect at Accelera Mobile Broadband, Inc. View all 2 ReviewsChoosing a Software Development Partner for Scalable Digital Solutions
How many Software Companies are there in California?
There are approximately 12,924 software companies in California, USA, according to a recent dataset.
These firms fall into two main types: single-owner operations and brand-affiliated companies, where one dataset cited 14,343 as single-owner.
If we combine both types, the state has about 15,000 entities operating in the software industry.
Thus, when searching for software companies in California, expect ~12,900 to 15,000 firms in total, covering both small and larger operations.
Find the Best Software Development Companies in California?
Finding the best software development company in California means navigating a vibrant, competitive tech ecosystem in the world.
From Silicon Valley to San Diego, Los Angeles, and San Francisco, the state hosts thousands of qualified firms.
Choosing the right one involves more than a quick online search; it requires thorough research and careful vetting.
Your ideal partner understands your industry, aligns with your technology needs, communicates clearly, and stays within your budget and timeline.
Whether launching a startup in Santa Barbara or scaling a product in Silicon Valley, success depends on selecting the right development partner.
How SelectedFirms Helps You Find the Right Agency in California :
SelectedFirms simplifies your search by curating verified California software development companies with authentic client reviews, portfolio analysis, and service ratings.
- Explore regional expertise-from Silicon Valley’s AI innovators to Orange County’s SaaS specialists through a single platform.
- Easily filter by budget, location, and technical specialization to shortlist agencies that match your exact business needs.
- Save time and reduce risk by connecting only with vetted, experienced development firms that have proven track records in your industry.
Ready to Find Your Ideal Partner?
Visit SelectedFirms today to explore and connect with California’s top-rated software development companies for your next project.
Top Tech Hubs for finding Software Companies in California
1. Silicon Valley
Silicon Valley is the world's leading tech hub, home to giants like Apple, Google, and Meta. Covering cities such as San Jose, Palo Alto, and Mountain View, it thrives on the technical talent from Stanford and UC Berkeley, fostering innovation in AI, biotech, and enterprise software.
2. San Francisco
San Francisco, a renowned tech hub, hosts giants like Salesforce and Uber, startups, venture capital, and top universities fostering innovation.
3. Sacramento
Often called the “next Silicon Valley,” Sacramento is a fast-growing tech hub with strengths in biotech, manufacturing, and govtech.
Backed by California State University and companies like Intel, it offers skilled talent, lower costs, and a rising startup scene, making it a solid alternative to the Bay Area for those exploring Software Development Companies in California.
4. Los Angeles
Los Angeles, and especially Silicon Beach, is a buzzing tech hub where entertainment, media, aerospace, and AI all come together. Between Snap, Hulu, and SpaceX, and talent coming out of USC and UCLA, LA becomes an exciting, dynamic, and yet competitive working environment for software developers.
5. Pasadena
Pasadena is an emerging tech hotspot in California, fueled by Caltech and the Jet Propulsion Lab, with a strong focus on AI, robotics, and research-driven software development.
Companies like Tetra Tech and local startups contribute to a specialized, innovation-first ecosystem, making it a prime location for advanced software solutions in California.
6. San Diego
The city of San Diego is one of the main centers of biotech and wireless tech, powered by Qualcomm and UCSD. Since there has been an increasing demand in life sciences, medtech software, and cybersecurity, it presents great opportunities for tech professionals in these fields.
It carries a strong research culture and a skilled workforce, which is perfect for the cultivation of innovation in biotech and communications.
What sets apart top Software Companies in California from Other US States?
California’s long history as a tech pioneer, its unmatched concentration of talent and tech companies, enormous venture capital funding, culture of innovation, and diverse industry strengths make it the leading state for software development in the US.
With over 57,000 tech businesses in the state, California has more tech companies than anywhere else in the country.
Additionally, it attracts and trains the world's best tech talent. Universities like Stanford, UC Berkeley, Caltech, and UCLA produce highly skilled software engineers every year.
Besides Silicon Valley, software development companies in California are spread across some of these prominent places.
Los Angeles is where entertainment technology gets developed, San Diego is where biotech flourishes, and in Orange County, e-commerce and automotive technology grow. Software engineers get some of the best salaries in the US in the states of California. This attracts top talent, forcing companies to keep innovating.
With the cost of living being high, compensation and career options are usually worthwhile.
No other US state combines these factors to the same extent; California is therefore the preferred state for programmers, start-ups, and tech giants.
What Processes do top Software Development Companies in California follow?
California has a reputation for using plenty of software development methodologies. Agile is one of the methodologies, with some 94% of organizations using it, and of those with 56% use Scrum.
Yet, when it comes to the software development process itself, top-notch California software companies operate according to the traditional seven-step Software Development Life Cycle (SDLC), rather than tailoring it to their projects.
The typical 7-step SDLC process includes:
- Requirement Gathering & Analysis – Understanding and defining functional and non-functional requirements.
- Planning – Preparing project plans and resource allocation.
- Design – Creating the software architecture, UI/UX layouts, and prototypes.
- Development – Writing and integrating code based on design.
- Testing – Conducting unit, integration, system, and user acceptance testing.
- Deployment – Releasing the software to production environments.
- Maintenance – Providing ongoing support, updates, and bug fixes.
Top companies in California typically customize this process based on the project's complexity and client needs, often performing steps iteratively or in parallel to enhance efficiency and flexibility.
This structured approach is aligned with industry standards and business goals. Considering the latter, the SDLC is the founding concept of any software development discipline in California.
How Much Do Software Development Companies in California Cost?
An average software development company in California charges hourly rates between $80 and $200+, depending on complexity and senior skill level.
For monthly cost: with a small dedicated team working full-time (160 hours), expect roughly $12,800 to $32,000+ per month.
Average project cost for custom enterprise software typically starts around $100,000 to $250,000, and can exceed $1,000,000 for large systems.
For smaller apps or MVPs the project cost might land near $20,000 to $50,000. Always clarify scope, team size, tech stack and timeline to get precise quotes.
A Detailed Cost Breakdown of Software Companies in California.
Hourly Rates
-
Entry-level/Smaller Agencies: $75 – $175/hr
-
Mid-range Agencies: $200 – $300/hr
-
Enterprise-level Firms: $250 – $850+/hr
These rates include services like UI/UX design, full-stack development, DevOps, QA, and project management.
Cost by Technology Stack
- Frontend (React, Angular, Vue): $100 – $250/hr
- Backend (Node.js, Python, Java, .NET): $125 – $300/hr
- Mobile App (iOS/Android/Flutter): $175 – $350/hr
- AI/ML & Blockchain Projects: $200 – $500/hr (or more, depending on seniority and specialization)
High-demand stacks like AI, Machine Learning, and Blockchain cost more due to the specialized expertise required.
Monthly Retainer Models
- Basic Support & Maintenance: $10,000 – $25,000/month
- Full Development Team (4–6 members): $35,000 – $100,000+/month
Ideal for long-term projects where a dedicated team is needed to work across multiple product cycles.
Cost by Project Complexity & Timeline
- Small Projects (MVPs, landing pages): $20,000 – $100,000 (2–4 months)
- Mid-size Custom Applications: $100,000 – $500,000 (4–8 months)
- Enterprise-Grade Software/Platforms: $500,000 – $1M+ (6–12+ months)
More complex projects often include custom APIs, advanced integrations, cloud infrastructure, AI features, or fintech modules, all of which significantly impact cost and development duration.
Pro Tip: Avoid Freelancers for Complex Projects
Freelancers may seem cheaper initially for complex projects, but can become more expensive over time due to slower turnaround and less support. Hire freelancers for simple tasks and agencies for comprehensive, up-to-date development.
Which Technologies Do California Software Development Companies Specialise In?
California Software Development companies are known for their very broad and deep expertise across emerging technologies and established development stacks.
Technologies such as mobile app development, Web development, Artificial Intelligence, Cloud Computing, and DevOps.
With such a rich tech ecosystem to draw from, some of the best talent-wise companies build everything from simple mobile apps to enterprise-grade platforms and AI-powered solutions.
Here’s a breakdown of the key areas of Technology California Software Developer Specializing:
Mobile App Development
California companies are experts at developing high-performance mobile apps for iOS, Android, and cross-platform use, using Swift, Kotlin, Flutter, or React Native to create seamless user experiences.
Artificial Intelligence
Leading companies in California are developing intelligent systems for analytics, automation, and personalized digital solutions, from generative AI and natural language processing to machine learning.
Cloud Computing
Software Developers from California who have experience in AWS, Google Cloud, and Azure create scalable, cloud-native applications and manage complex cloud infrastructures.
DevOps
California's tech teams use CI/CD pipelines, infrastructure as code, and automation tools to ensure reliable, timely software delivery and accelerate development.
CyberSecurity
California developers incorporate threat detection, encryption, and advanced security protocols into software systems as threats increase, particularly in the defense, healthcare, and financial sectors.
Custom Software Development
Californian businesses develop custom software to satisfy the particular requirements of every company, whether it's a small MVP or a large enterprise system.
They work in a number of industries, such as finance, real estate, and healthcare.
Which Top Industries Do Software Development Companies In California Serve?
With California being deemed the global capital of technology and innovation, it is clear that its software companies thrust the realms of research across every major industry.
The top industries include Healthcare, Finance, Retail & E-commerce, Artificial Intelligence, Gaming, Manufacturing, and blockchain.
The state is home to over 57,000 tech companies and about 1.5 million tech workers who strategize on tech services for companies all over, fueling adaptation, automation, and innovation.
When it comes to enterprise platforms, AI-driven tools, IoT frameworks, or real-time analytics, California-based software developers serve industries that demand new-age technologies while also setting market trends.
The Top Five Industries Most Served By Software Development Companies In California are:
Technology & Software Publishing
As the backbone of California’s digital economy, this sector spans consumer apps, enterprise software, cloud platforms, and cybersecurity.
With 35 of the world’s top 50 AI companies based in the state, software developers are at the forefront of building advanced tech solutions.
Finance & FinTech
California’s booming fintech development sector thrives on innovations like mobile banking, blockchain, and fraud detection.
Software firms drive this growth by building secure, compliant, and user-friendly solutions with real-time analytics and seamless payment integration.
Healthcare & Healthtech
The healthcare industry is rapidly digitizing, with software driving EHR systems, telemedicine, and AI diagnostics.
Developers create tools that improve patient care, streamline operations, and support remote health monitoring.
Retail & E-commerce
With online shopping booming, California developers build scalable e-commerce platforms, smart inventory tools, and personalized shopping experiences.
A strong focus on UX/UI and mobile-first design keeps the retail sector ahead.
Manufacturing & Industrial Automation
Manufacturing companies use software for robotics, supply chain management, predictive maintenance, and IoT.
Developers help streamline operations, reduce costs, and meet Industry 4.0 demands.
List of Top 10 Software Companies in California.
- SF AppWorks (San Francisco) - a progressive digital agency focusing on web & mobile development and rapid prototyping.
- Magneto IT Solutions (California) - custom software development & digital commerce transformation since 2010.
- Bytes Technolab Inc (California) - software development firm specializing in AI/ML, web and mobile apps for enterprises and SMEs.
- SDLC Corp (California) - global technology partner delivering scalable digital solutions since 2015.
- Credencys (California) - product information management (PIM/MDM) and custom software development provider.
- Admios (California) - nearshore agile software development firm offering experienced engineers, integration and support.
- Ksolves (California) - emerging custom software development company globally operating, covering Big Data, AI/ML, DevOps.
- QBurst (California) - software development agency delivering web and mobile solutions for startups and global brands.
- QA Genesis (California) - software development agency with strong focus on quality assurance, custom software and digital solutions.
- Kingsmen Digital Ventures (California) - custom software development agency specialising in product engineering, cloud-based solutions and data analytics.
Why Companies Trust SelectedFirms?
SelectedFirms bridges the gap between businesses and digital service providers as a trusted B2B research and listing platform. With the trust of 14,000+ companies and a growing community of 1M+ users, we empower businesses with reliable insights to make confident decisions.
Human-verified companies
We manually review companies to ensure they meet our quality standards before they appear on the platform.
Research-driven rankings
We rank companies using a clear ranking methodology based on real client feedback, expertise, market credibility, and how well teams execute — not hype.
Always up-to-date insights
We regularly refresh listings with new reviews, case study updates, and market changes to keep decisions relevant.
Verified credibility signals
From verified badges to editorial reviews, we highlight companies that show real commitment to quality and transparency.
Software Development Companies FAQs
Software development companies' costs are typically based on several factors such as expertise, experience, location, & project complexity.
Although the charges range between $50 and $250/hr, the cost can vary depending on the expertise of the team.
Small-class firms cost around $90-$ 160 per hour, whereas mid-market firms typically demand $120-$ 250 per hour.
Indeed, Software development companies in California offer post-launch support & Maintenance as a part of their services.
Herein, they offer bug fixing, Security updates, adaptation to change as per the business needs, performance improvements & optimization, and many more.
For hiring California-based Software Developers, you should make a data-driven decision by considering suitable factors.
Factors such as local market knowledge, communication & collaboration skills, portfolio, past client reviews, cost & pricing, legal & IP considerations, California tech laws, project management approach & many more.
The Best Software Development Company in California can be different for each company, as per their cost alignment, project complexity, and expertise.
If you have a small business, you can opt for Goji Labs, known for budget-friendly clean code, whereas for the mid-cap project, try out Closeloop Technologies.
Choosing between in-house and outsourced California software developers depends on your project needs, complexity, timeline, and collaboration requirements.
In-house teams offer control and cultural alignment but come at a higher cost. Outsourcing saves on hiring efforts and costs but may pose communication and control challenges. Pick what best fits your business goals.
