Top Software Development Companies in California, Ranked & Verified (Nov 2025)

As a rapidly evolving IT Consulting and Services firm, InfoStride takes pride in its ability to uniquely understand the intricacies of the consulting process in the technology ecosysytem and ways to successfully deliver high value projects with maximum impact, which is critical with the economic climate businessses endure today.

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!)

Fifth LLC is a dynamic software development and design studio based in Armenia and USA, serving clients globally, including Silicon Valley, Europe, and Hong Kong. We Do: 1. Custom Web App Development 2. Mobile App Development 3. Web3 App Development 4. CTO Consulting for Startups Our dedicated team, composed of forward-thinking scientists and tech enthusiasts, specializes in building innovative and seamlessly integrated digital solutions.

Digital Services Partner Webfinity Digital Services is a full-service digital marketing agency dedicated to helping businesses enhance their online presence and achieve sustainable growth. With expertise in SEO, web design and development, social media marketing, and more, Webfinity offers tailored strategies to meet each client’s unique needs. Their team focuses on delivering measurable results and high-quality solutions to help clients excel in a competitive digital landscape.

Protonshub Technologies is a CMMI Level 5, ISO Certified and Great Place To Work Certified, Custom Software Development Company with the most experienced team of developers working in a variety of technologies like ReactJS, ReactNative, Python, RoR, and much more to produce high-end solutions. Protonshub, a company with more than 5 years of experience, focuses on offering big enterprises innovative solutions that help them increase their revenue. We have worked for top-notch brands like Mahindra, Swaat, Shekunj, Stage, Manyavar, ICICI Bank, 2nite, 1 mg and lot more. Also, Protonshub Technologies is helping many industries like Healthcare, Logistics, Food, Travel, Edtech, and a lot more by providing them with innovative solutions. With the right talent, expertise, and creativity come success, and with Protonshub you get it all. Our USP is defined by our services we offer like: Mobile App Development Website Development MVP Development UI/UX Development Product Development E-Commerce App Development Dedicated Developers We sync with your project requirements and deliver the results as per your needs and goals.

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.

AgileTech Vietnam stands at the forefront of technology outsourcing, offering comprehensive services in website and mobile app development, blockchain technology, and AI-driven big data solutions. Since our inception in 2015, we have established ourselves as a trusted technology partner for a diverse range of startups, many of which have attracted significant investment. Our expertise lies in delivering high-quality, scalable solutions that drive business growth and innovation. Our approach combines a highly skilled team with a commitment to transparency and excellence. We prioritize understanding your unique needs and challenges, ensuring that our solutions are perfectly aligned with your business objectives. Whether you are looking to develop a robust digital platform, leverage blockchain for secure transactions, or harness the power of AI and big data, AgileTech provides the technical prowess and strategic insight necessary to achieve your goals. With AgileTech, you gain a partner dedicated to pushing the boundaries of technology and innovation. We are passionate about collaborating with forward-thinking businesses to bring groundbreaking ideas to life and propel them towards success in an ever-evolving digital landscape. Website: https://agiletech.vn/ Phone: 0989 324 830 Email: hello@agiletech.vn Address: Floor 3&4, No 82/116, Nhan Hoa, Thanh Xuan, Hanoi, Vietnam

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.

Founded in 2010, PSD Markup is a leading provider of markup services globally, offering online design and development services in California. By combining our authentic processes, business domain knowledge, and the combined tech experience of over fifty people, we are able to provide our clients with high-quality solutions that are tailored to their specific needs.

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.

Technossus is a tech development and consulting company that helps businesses expand by maximizing their operational technologies, boosting sales, and enhancing customer satisfaction. We have been offering top-notch business consulting and enterprise software development services for more than 16 years. We assist global innovators get real-world returns on their technology investments by using data and analytics.

Enhancing Technology through Superiority For the past ten years, NanoByte Technologies, a US-based IT firm, has been offering cutting-edge software design and development services, worldwide IT solutions, and outstanding websites, mobile apps, and web applications. Prioritizing time, quality, and money, we strive for 100% client satisfaction with a perfect success rate. For unrivaled service that constantly goes above and above, choose us.

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.

Greetings from Tech Reforms, your go-to source for complete mobile app development and web design. Change your online presence and establish a stronger connection with your audience. Don't allow your company suffer from a lack of tech skills. To find out how we can assist you in reaching your objectives, get in touch with us right now.

Our solutions include product development, ideation, concept development, user experience design, product support, technology and engineering, web and mobile development, SRE, DevSecOps, AI, ML, IoT, performance engineering, enterprise platforms like Sitecore, AEM, Acquia DXP, AWS, Azure, GCP, Eloqua, Marketo, Salesforce, Dynamics CRM, BizTalk, Mulesoft, business optimization, data migration, and digital product maintenance.

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!

GKM IT is a leading Software Development Company based in Udaipur, India, delivering cutting-edge digital solutions to startups, SMEs, and enterprises across the globe. Since 2012, GKM IT has specialized in building custom software, mobile applications, web platforms, and scalable cloud infrastructures tailored to unique business needs. With a strong focus on innovation, agility, and client-centric development, GKM IT serves diverse industries including fintech, healthcare, education, logistics, and e-commerce. The company is known for its expert team of developers, transparent project execution, and commitment to quality—evident from its ISO 9001 and ISO 27001 certifications. Whether you're looking to modernize legacy systems, develop a mobile-first product, or launch a full-stack web application, GKM IT offers flexible engagement models and end-to-end support to turn ideas into high-performing digital products.

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

American Webs Master comprises a dedicated team of amazing professionals, trained in design, creative writing, attention to detail, strategic ideas, development, and so on. We work together to elevate your business and take it to the next level. No matter how big or small your business is, we guarantee success for all our clients. We are a full-service digital agency helping you achieve high-impact outcomes. Our team of professionals holds command over many crucial skills needed to make a business strong and successful. We combine our powerful thinking with cutting-edge technology to help you achieve your goals in no time. We can help you increase your business profits significantly in no time via different Digital platform.

One of the leading software development and BPO organizations in the globe, Sataware provides worldwide clients with dependable and effective BPO outsourcing solutions. We actually offer 24X7 services because we have offices in the USA & India. Finding the ideal technical partner for Web, mobile, desktop application development, and BPO services can be tough, but Sataware stands out for having a solid set of competencies that can help you accomplish your vision. Basically, the safe, scalable, upward-facing, and trustworthy business systems are the focus of our services. Our most creative information technology and software outsourcing services are built with a focus on addressing the particular needs and objectives of our clients. We publicize our high standards through our inexpensive, trustworthy, and high-quality software services.

A group of technologists, developers, designers, and product and marketing specialists, Vynyl creates fantastic software for incredible customers. We have a fully in-house team in the United States. Our specialty is creating distinctive online and mobile applications that closely match the business requirements of our clients while also being technically superior and aesthetically pleasing. High-profile corporations, prestigious universities, governmental organizations, top digital advertising agencies, and a few privately held venture-backed businesses are among our clientele. If you had access to a group of software and design specialists, how would you respond? With Vynyl, what can you create?

Softbinator is a full-stack software development company with headquarters in Silicon Valley and Bucharest, delivering world-class digital products to clients across the US and Europe. With 80% of our clients based in the United States, we build dedicated, product-focused development teams that combine technical expertise with a results-driven mindset to turn ideas into scalable, high-value software solutions. We offer end-to-end product development services, including design, coding, deployment, and marketing. Our core services include team augmentation for flexible, skilled support, custom software development tailored to business needs, AI/ML integration for automation and predictive solutions, UI/UX product design for user-centered experiences, and product marketing to maximize go-to-market success. Softbinator stands out for its agile culture, client-centric approach, and English-proficient teams that work seamlessly across multiple time zones. We deliver Silicon Valley-quality engineering at 50% lower cost, offering flexibility, proactive communication, and dedicated support to ensure your project meets its goals. Whether you’re a startup or an enterprise, Softbinator empowers businesses to scale faster, innovate confidently, and bring digital products to life with efficiency, reliability, and measurable impact.

Elsner Technologies Pvt. Ltd. stands as a software development agency, boasting over 19 years of expertise in crafting innovative digital solutions. We empower businesses globally, delivering customized software that drives success and enhances operational efficiency. Our dedicated team of Custom Software Developers excels at tailoring robust solutions to each client's unique requirements, ensuring a powerful online presence and sustained growth.

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.

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

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.

Altiux Innovations is a globally certified IoT product engineering company delivering end-to-end solutions for businesses across industries. Our expert teams provide strategic consulting, IoT architecture design, and deployment services, ensuring projects succeed from concept to maintenance. With innovative middleware and connectivity solutions, including our proprietary BoxPwr platform, we simplify sensor and gateway integration, streamline development, and accelerate time-to-market. We offer turnkey solutions, dedicated teams, or flexible hourly support tailored to your budget and project needs. Trusted by clients worldwide, Altiux Innovations combines technical expertise, innovation, and proven methodologies to transform IoT ideas into scalable, secure, and high-performance solutions that drive business growth.

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.

Cyber InfraStructure INC. (CIS), founded in 2003, is a global IT consulting and staff augmentation leader with offices in Central India, the USA, and the UK. We specialize in delivering top-tier technology solutions, helping businesses scale their teams and optimize operations efficiently. With experience serving over 2,100 clients across 100+ countries, we support industries including education, finance, travel, retail, manufacturing, gaming, and healthcare. CIS is recognized for excellence, holding CMMI Level 3, ISO 9001:2018 certifications, and partnerships such as Microsoft Gold Partner, Magento Silver Solution Partner, and memberships with Drupal and Joomla. Our focus is delivering innovative, reliable IT solutions that drive measurable business results.

DIJGTAL is a forward-thinking digital agency that prioritizes authenticity, innovation, and human-centered solutions. We partner with startups, large-scale enterprises, and established corporates across diverse industries, applying insights from one sector to deliver fresh, relevant strategies in another. Our collaborative approach bridges the gap between the known and the unexplored, helping businesses uncover untapped opportunities. By combining research, validation, and creative execution, we build solutions that resonate culturally and drive measurable results. At DIJGTAL, we focus on continuous learning, staying relevant, and pushing boundaries—ensuring your brand evolves confidently in today’s fast-paced digital landscape.

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.

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.

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.

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.

Cerebrum Infotech is a leading Mobile app development company in India. It has been in business for over a decade and caters to the needs of businesses of all sizes. Cerebrum houses a team of expert mobile developers, designers, testers, and marketers. The company has a global clientele and 70% recurring customers. The mobile app company has won many accolades from industry experts and aspires to build innovative products. It provides ready-to-use products, which can be customized as per your needs, such as CereKart- the on-demand delivery system, fleet management system, ride, and rental apps, education management system, online consultation apps (which include healthcare app as well), conference management suite, on-demand home services, e-marketplace apps, etc. Cerebrum Infotech is known for its smart, reliable, and scalable products.

Vrrb is a full-service digital agency delivering fast, high-quality solutions with a team of experienced designers, developers, and strategists. We partner with a diverse range of clients—from innovative startups like InhaleHealth to global corporations such as Visa—across multiple industries. Whether launching a new product, redesigning a corporate website, or developing custom digital solutions, Vrrb combines technical expertise and strategic insight to bring your vision to life efficiently. Our collaborative approach ensures clients who know their goals receive expert guidance, seamless execution, and measurable results that drive growth and engagement.

Perfection Geeks is committed to providing value-driven technological solutions aimed at transforming businesses and facilitating their growth. The company emphasizes its ability to implement significant changes that enable clients to achieve desired outcomes, backed by a team that operates with confidence and expertise. Central to their philosophy is a focus on innovation, which they believe is essential for delivering top-notch technological solutions. This proactive approach has been instrumental in shaping the company's current position in the market. Perfection Geeks assists businesses in establishing their brand identities and aligning with their core values, thereby enabling them to navigate competitive landscapes effectively. Their commitment to simplicity and uniqueness has proven valuable, helping clients overcome challenges and advance in their respective industries. Furthermore, the company offers multidisciplinary technological solutions and agile strategies designed to enhance business development and provide a competitive advantage. By inviting collaboration, Perfection Geeks aims to alleviate the challenges faced by their clients, reinforcing their role as a supportive partner in the business landscape.

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.

As a world leader in digital services, Grazitti Interactive transforms organizations via the use of social media, cloud, mobile, and artificial intelligence technology. Grazitti has been enabling businesses with cutting-edge SaaS products, services, and solutions since 2008. We have enabled more than 1100 different clients, including Fortune 500 giants, fervent non-profits, and agile SMEs, thanks to our dynamic staff of more than 1200 tech experts spread across the US, India, Australia, Canada, and Singapore.