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

SF AppWorks is a progressive digital agency that helps companies, organizations, and entrepreneurs explore and develop innovative technologies that improve lives.

Magneto IT Solutions stands as a top custom software development company, transforming innovative concepts into exceptional digital experiences. Since 2010, we've empowered enterprises with robust, platform-agnostic solutions, accelerating growth for leading brands. As a premier software development service provider, we leverage cutting-edge composable commerce technologies, including PIM, DAM, and OMS, to deliver scalable, flexible online offerings. We consistently push technology's boundaries, ensuring our clients achieve unparalleled digital success.

Bytes Technolab Inc empowers businesses with cutting-edge software development and digital transformation. Since 2011, we've partnered with global enterprises, startups, and SMEs, specializing in AI/ML, web, and mobile app solutions. Our expert software developers modernize systems and boost efficiency, ensuring clients thrive. As one of the leading software companies, we deliver innovative, high-quality products, fostering resilience and sustainable growth for a future-ready business.

SDLC CORP – Global Software Development & Digital Innovation Partner Founded in 2015, SDLC CORP is a trusted global technology partner delivering scalable, secure, and future-ready digital solutions. Headquartered in the USA with a presence across the UK, Australia, UAE, India, and Singapore, we empower startups, SMBs, and enterprises to drive digital transformation and business growth. With 500+ projects delivered, a 98% client retention rate, and 200+ certified experts, we are recognized for engineering excellence and measurable business impact. Our full-cycle development services from strategy and design to deployment and support ensure every solution is built to perform in today’s competitive digital landscape. Our Core Offerings Include: Web Development Mobile App Development AI & Machine Learning Solutions Digital Transformation Game Development ERP & CRM Development Odoo Development Blockchain Development Salesforce Development Industries We Serve FinTech • Healthcare • Logistics • E-commerce • Retail • SaaS • Real Estate • Manufacturing Why Choose Us 500+ successful projects across 15+ industries 98% client satisfaction & long-term partnerships Recognized by Clutch, GoodFirms & TechBehemoths Certified experts in AI, Blockchain, Cloud, ERP & App Development Agile methodology ensuring transparency & faster time-to-market Our Approach From idea validation to post-launch growth, we act as a long-term technology partner delivering secure, scalable, and ROI-driven solutions. Every project is designed to help businesses reduce costs, scale faster, and achieve sustainable growth. Let’s build your next big idea — contact us today!

Credencys, a trusted PIM/MDM implementation partner since 2012, excels as a leading software development company. We craft tailored digital solutions, including robust PIM/MDM, DAM, DXP, and Digital Commerce platforms, enabling unified data management for global enterprises. Our Custom Software Developers empower businesses to streamline operations, reduce costs, and enhance decision-making. Partnering with industry leaders, we deliver cutting-edge, user-centered solutions that drive operational efficiency and exceptional experiences worldwide.

Admios stands out among Custom Software Development Companies, empowering CTOs, VPs, and directors with exceptional software engineering talent. We offer fast, easy recruiting and onboarding, providing experienced developers across diverse industries. Admios ensures seamless collaboration, aligning with your operational hours for optimal project success. From custom software development solutions and architecture to QA, integrations, and ongoing support, we deliver comprehensive expertise. Partner with us for reliable, high-quality software development.

Ksolves stands as a premier partner among Custom Software Development Companies, crafting innovative solutions tailored precisely to your business needs. As a publicly traded entity with a global footprint, our 500+ expert Software Developers excel in Big Data, AI/ML, Salesforce, and DevOps. We boast CMMI Level 3 certification and a 90% client retention rate, ensuring exceptional service and proven results worldwide. Partner with Ksolves for unparalleled technological expertise.

QBurst is a leading software development agency, delivering innovative web and mobile solutions globally. With 850+ experts, they partner with diverse clients, from startups to global brands, ensuring consistent delivery of impactful software development solutions. Their technical prowess and business acumen drive lasting partnerships across all industries, making them a trusted technology partner.

QA Genesis is a distinguished software development agency committed to crafting exceptional digital solutions. Since 2014, our award-winning team has delivered robust custom software development services, integrating unparalleled quality assurance from inception. With 120+ experts and 200+ clients, including Fortune 500 companies, we build quality into every project. Our agile, globally-present team ensures timely support, empowering your vision with reliable, high-performance software.

Elevate your business with DeskXpand, a premier custom software development firm. We engineer robust software development solutions designed to unify complex customer management, boosting operational efficiency. Imagine a single interface providing instant access to ticket histories, real-time communication, and canned responses, ensuring swift, effective service worldwide. Partner with us to transform your customer interactions and drive unparalleled success.

Kingsmen Digital Ventures is a premier custom software development agency, empowering businesses with innovative solutions. We specialize in designing, developing, and deploying bespoke software tailored to unique needs. Our comprehensive offerings include product engineering, mobile and web application development, robust cloud-based solutions, and insightful data analytics. As a trusted software development service provider, we are dedicated to delivering exceptional quality and support, helping clients achieve their digital objectives globally. Partner with us for your next transformative project.

Veltris empowers organizations worldwide as a trusted technology partner. This distinguished software development firm ignites innovation, expertly leveraging Digital, AI, and Industry 4.0 technologies to craft bespoke software development solutions. We accelerate technology transformations, ensuring clients achieve strategic objectives with cutting-edge, globally relevant expertise. Choose Veltris for impactful digital evolution and unparalleled credibility.

ITeXchange is a dynamic IT services marketplace, empowering software companies to achieve their digital ambitions. As a premier software development service provider, we excel in custom software development, innovative platform engineering, and advanced product engineering. We also deliver expert package implementation, insightful data analytics, and comprehensive digital transformation solutions. Partner with us to access top-tier talent and drive your projects forward with global excellence.

Konsulko Group is a premier software development agency specializing in embedded Linux hardware and software. Our project engineers, each boasting over two decades of experience, deliver unparalleled expertise to automotive, industrial, and IoT companies. We excel in hardware design, Linux kernel development, boot loaders, and Yocto Project solutions, offering rapid product prototyping and production. As a trusted software development service provider, Konsulko Group leverages deep Open Source community involvement to build successful products globally. Partner with us for expert embedded Linux contractors and consultants.

Advanz101 Systems, a reputable software development company since 2007, empowers businesses globally. We deliver innovative, custom software solutions, helping leading brands dominate their markets. Our expert Custom Software Developers meticulously anticipate challenges, ensuring seamless omni-channel success and exceptional outcomes for every project. Partner with us for unparalleled technological advantage.

QAonCloud stands out among Custom Software Development Companies, delivering high-quality digital products globally. We provide comprehensive custom software development services, specializing in robust, secure, and user-friendly web and mobile applications. Our expert team leverages cutting-edge tools and cloud environments to accelerate product releases without compromising quality. Partner with us for tailored solutions that enhance user experience and drive innovation across diverse industries.

At Coactive Solutions, we believe in "acting together" to craft extraordinary software development solutions. We are among the top Custom Software Development Companies, dedicated to exploring new arenas and converting challenges into success. Our global team delivers unparalleled, cost-effective expertise, ensuring the highest quality services tailored precisely to your business needs. Experience the power of joint action.

Codemotion is a leading eCommerce development company in the USA. They’ve been working since 2011 and now have an in-house team of 100 Ninjas, 120+ MVPs launched, 99% successfully completed work. Their eCommerce developers have expertise in developing websites & apps with simple conventions in mind so you don’t have to waste time with configurations. They follow the highest industry standards and are a pro at user experience. Being the top-notch eCommerce development company in usa, they provide services right from idea to development to support.

Misha Infotech is an India-based mobile app development company that was founded in 2010. Today, the agency has over 50 employees with professional skills in mobile app development, app marketing, and technical assistance. One of the top mobile app development companies in India, Misha Infotech is a celebrated name in the field offering services designed with proven methodologies, cutting-edge technologies, and world-class engineering techniques. Besides mobile app solutions, the company also offers a wide range of services like Web App Development, Software Development, Multimedia Development, Design and Configuration, and many more. In a span of 11 years, they have successfully delivered 1300+ projects, some big names among these are Indian Oil, NTPC, SKIPA, BHEL, and APL Apollo.

As leading Custom Software Development Companies, 360 Degree Cloud Technologies empowers businesses globally. A Salesforce registered ISV partner, we deliver innovative custom software development solutions, specializing in complex Salesforce CRM implementation, integration, and Marketing Cloud setup. Founded in 2012, our expertise ensures exceptional customer service and strategic consultation, helping clients across diverse industries achieve remarkable growth and outperform competitors worldwide.

Infoxen is a leading web solutions company headquartered in India and with reliable existence as a corporate office in the US and Australia. Leveraging the leading technology solutions like SAAS Development, E-commerce Development, Cloud Development, App Development, AI & Machine Learning, etc., the company is rapidly scaling and leaving its remarkable footprints across the international market. Since its inception, they are a team of technology geeky, crazy minds, and passionate individuals adhering to the advanced concepts and innovative ideas to ensure delivering solutions satisfying your brand competencies and capabilities. They are eagerly ready to serve the bonzer and thriving deal to customers across the globe. Being a top-notch software company, they follow advanced methodology, agile development, faster delivery, and a futuristic approach with our proven excellence in a range of enterprise-level solutions to support your business model to drive efficiency and get the most out of your entire investment.

The top 1% of engineers in the US and Canada work at Hypotenuse Labs. Blockchain, Full-Stack Web/Backend/DevOps, and AI/ML are our main areas of interest. We handle intricate technological problems and complete product builds on schedule and within budget. Our history demonstrates that we can deliver a tangible return on investment, acting as catalysts for our clients' objectives. After working with us, startups find it easy to raise money, and large businesses notice a noticeable increase in income and cost reductions.

Consagous Technologies is a company that offers IT services using a holistic approach to provide end-to-end mobile & eCommerce development solutions from designing, development, and delivery. They are considered one of the leading Enterprise Mobile apps and eCommerce solution providers in industries such as Banking, Logistics, Education, and Healthcare. They are working on both legacy mainframes as well as cutting-edge technologies making it suitable for possible for all types of firms. Apart from these they also have Xamarin Cross-platform apps, development of iOS & Android apps Development, Apps for Wearables, mHealth apps, Fintech Applications, Progressive Web App (PWA), Mobile Payment apps and Chatbots & AI.

For businesses looking for designing and developing, customizable applications, Leeway Hertz is the best choice of Partnering. With them, organizations can benefit from the presence of a cross-platform JavaScript framework and embed cost-cutting solutions for final development. Apps built and developed by them are scalable and device compatible giving customers the ease to operate in a hassle-free manner.

Goji Labs is a Los Angeles-based mobile app and web development company that has been helping startups, businesses, and non-profits launch digital products for over a decade. Their services include product strategy, UX research, UX/UI design, web and mobile app development, and IoT development. They focus on reducing risk for partners and work closely with notable organizations like Prediction World Health Organization, Root Insurance, Prediction Strike, World Wildlife Fund, UCLA, USC, and the City of Los Angeles.

TheoremOne is an innovation partner that helps clients build new business lines using technology. They advise clients on digital product strategy, engineering, design, and culture, and partner with them to develop, launch, and adopt new ways of working using custom software and business platforms. Their services include innovation, modernization, rescue, management consulting, and strategic team augmentation.

Epsilon is a worldwide advertising organization with workplaces around the globe. For over 40 years, we’ve been helping brands to improve their showcase, fabricate better client connections and find new clients. Their customers trust us to realize purchasers are superior to anybody. They realize we’ll enable them to achieve the correct shoppers at the correct occasions and places—on the web and disconnected—and make enthusiastic associations.

Uber Clone App facilitates successful digital transformations through software development. Our 12-year industry experience enables us to tailor solutions to meet the unique needs of our clients based on a customer-centric approach. Using cutting-edge technologies, our talented software engineers help businesses modernize and grow. Among the services Uber clone offers are handyman services, dog walking services, food delivery services, massage services, plumbing services, courier services, babysitter services, and dry cleaning services. With the best and latest features, both Android and iOS platforms are supported. You can grow your business with Uber Clone App's unparalleled innovation and growth.  

ScaleTech offers innovative technology solutions for businesses, focusing on digital platforms, mobile and web development, and enterprise solutions. Their platforms are designed for scalability, security, and user-friendliness, while their mobile and web development expertise ensures seamless user experiences across all devices. ScaleTech's enterprise solutions integrate with existing infrastructure, providing powerful tools for operations management and growth. Their holistic, digital-first approach covers the entire digital transformation journey, prioritizing innovation and alignment with business goals.

UpsilonIT is a custom web development company in the USA that provides unique solutions for complex business challenges. The company helps startups, small and medium-sized businesses to archive measurable results through building concepts, MVPs, and market-ready digital products. UpsilonIT delivers projects of any complexity for companies working in logistics, finance, art, retail, healthcare, and other industries. Their key clients include Christie’s, Collectrium, CargGo, ThoughtSpot, iDocs, and others, located in the USA, Western Europe, Scandinavia, Israel, and Kazakhstan. UpsilonIT team consists of more than 50 professionals, web and mobile developers, QAs, designers, and data scientists, ready to break new grounds with best-in-class custom software solutions through their deep focus on technology.

SquashApps is one of the best mobile app development companies & software consulting services in India that also offers UI/UX design services so you can build your product end to end with us. SquashApps is a mobile app service provider company with 60% women in their workforce and 70% executive management being women and no-frills engagement with the Straight forward Project Execution – Complete Transparency. SquashApps worked with some of the leading startups and enterprises to build web and mobile applications. Where SquashApps have completed 100+ projects, and we have 50+ happy clients. Building software requires a lot of skill. So, SquashApps has the best experiences and a young and energetic engineers team, and leading technologies.

A California-based mobile app company Appedology is among the topmost mobile app developers of 2018 that provides you with beautiful instinctive apps designed by a team of experts. Appedology tries to bring a blend of technology, creativity, and innovation at your doorstep. They have expertise in both iOS and android development and they mostly build social networking apps to for the clients. Their areas of service include iPhone app development, HTML5 app development, web app development, Facebook app development, and many more. They have their products designed for job portal systems, ERP, CRM, hotel management, saloon management and many more. They have various discount offers present for the client which lures them to make Appedology as their first choice for mobile app solutions.

Asap developers is a Top mobile app development company in California. They are experts in cross-platform frameworks like React Native and use agile methodologies to deliver outstanding mobile apps. Their clients range from small startups to large corporations such as Google. Most of Their clients are from California, particularly from San Francisco or the Bay Area. They offer web and mobile development services as well as software consultancy for startups to help them define their MVP and decide upon features of their apps from the very beginning. Asap developers is a software development company that brings innovative ideas to life. They love working with startups and entrepreneurs that want to create amazing products.

Altoros is a professional software development company with headquarters in Sunnyvale (USA), branch offices in Norway and Finland, and development centers in the USA, Argentina, and Belarus. With a strong team of full-stack software engineers and consultants, and 19-year IT experience, they help our clients to achieve unsurpassed quality at all stages of the web, mobile, and desktop application development.

The highest priority of Design and Test Lab is a Mature Mobile Reliability Standard that is the development of reliable mobile applications. But they don’t just write code. They help their clients to build better products by walking step by step along the way and helping to refine the vision and maximize chances for success. They apply scientific knowledge in project planning, architecture development, programming, and testing in their work.

Bitscape is a California-based boutique consulting, mobile app development company that has been working on the digital transformation of their client’s businesses with automating processes and compliance reporting. With a vision of quality work delivery and a customer problem-solving attitude, their skilled and certified web and mobile app developers work hard to help organizations boost their business growth. They are offering technologically competent and user-friendly solutions to a range of industries like healthcare, e-commerce, education, fintech, travel and transport, hospitality, and many other sectors. Established in 2004, the Microsoft-partner company has its offices in the USA and India. They have developed over 100+ apps around technologies varying from SharePoint technologies, SQL, Office365, Power BI, Dynamics 365, Microsoft 365, CRM, Project Online, Azure, Microsoft BI, IoT, for startups, enterprises, SMBs, and fortune 500 companies.

Naked Development has been recognized as one of the leading comprehensive Mobile App solution companies in the USA providing efficient solutions to clients around the world since 2017. The company has worked for a big firm like the bank of America, Henkel, and the American Red Cross and has given 100% customer satisfaction before and after services. They own a team of dedicated iOS App developers who help to provide expert mobile App solutions and services for businesses worldwide. Naked development has been ranked as the top mobile app development company by Clutch. co. And comes with a handy experience of 24*7 Apps launch. Using the perfect combination of strategy, design, development, and extensive testing, they have successfully built visually appealing and functionally simple iOS and Android applications.

Right point development is an Award-Winning mobile app development company having a physical presence in the USA, Australia, UK & India, that has been focused on developing leading iOS apps since the launch of the App Store in 2008. With strong expertise in both design and technology, their Digital Product team is uniquely qualified to help clients with iOS app development, android development, voice, IoT Solutions, AR/VR Solutions, & many more. They’ve partnered with big names like Six Flags, AAA, Macy’s, Angry Orchard, and more to deliver best of breed iOS app experiences. Their team of iOS app developers is their biggest asset when it comes to shipping successful iOS apps.

If you're looking for qualified and experienced remote developers to join your team, you've come to the right place. CyberCraft has been building dedicated development teams and providing IT staff augmentation services to clients around the world for over six years. Our clients include SolanoLabs, Polymorph, Allgress, and OptNet. We create remote, dedicated development teams made up solely of seasoned professionals. The teams are set up in accordance with your needs and the preferred tech stack. Whatever technology or framework your stack uses, whether you need a big team or just a few developers, we've got you covered.

‘Build as a Service’ (BaaS) unifies our capabilities in user experience design, SaaS on AWS, serverless architecture, DevSecOps, and quality assurance into a flexible, collaborative, nimble service with one aim – forging ideas into reality.

We are a team of digital enthusiasts with years of software and product development experience. Working with us ensures seamless and timely delivery of your features and goods. We currently have expertise developing products for the legal, healthcare, and finance industries as well as for e-commerce, SaaS, social platforms, and sharing economies. We are adept at picking up on the key components of different industries fast, and we welcome the opportunity to engage with clients in novel contexts.

With 125+ web&mobile projects finished we know that only solving real-life issues software can be useful. Our projects are difficult and need for a broad range of commercial and technological knowledge and expertise. Other than our long-term relationships with clients in the construction, fintech, and foodtech industries, our crew rotates extremely little. As part of our service, we create cutting-edge, all-encompassing software solutions based on business requirements, analyse them, and then provide consultation on the technological side of every project. For well-known businesses that have successfully exited and been recognised, like TechCrunch and 500 startups, we offer mentoring services.

As a leading provider of product engineering services and semiconductor design services, eInfochips, a division of Arrow, has received recognition from Gartner, Frost & Sullivan, ISG, IDC, and Zinnov as a partner in product innovation. With more than 500 developed products and 40M deployments in 140 countries, eInfochips continues to drive technological advancements across numerous industries. Digital transformation and connected IoT solutions are among the company's service offerings across a variety of cloud platforms, including AWS and Azure.

At Ardas, we always prioritise satisfying the needs of our customers. While we are capable of creating high-quality software development products, we also understand that the key to success is having a thorough understanding of our clients business requirements. Due of the time and geographic difference, we place a high priority on the client and developer communication.

We would adore being your long-term partner and relieving you of the burden of managing the entire app development process. Why pick us?Try us out risk-free for two weeks while keeping the rights to your code even if you decide not to continue working together.Get your first app demo within seven days.Own your intellectual property at all times.Working with a dedicated team only Totally committed to your productEach member of your development team has direct access to you as the product owner, whether it be by Slack, email, video call, during Scrum sessions, or in person at our office.Take advantage of the team's work being done with efficiency and transparency thanks to our trained Scrum Masters.You don't need to waste time hunting for an office and assembling your own crew. saving time

MyKaarma is a cloud-based software firm that focuses on improving the retail environment for auto dealership service departments. With the myKaarma app, the dealership can provide 21st-century technology like digital communications (Text, Email, Voice) and smart payment methods (Mobile, POS) with auto-reconciliation in a single application that effortlessly interacts with their existing DMS.

Vicert is a pioneer in the health tech industry and are custom healthcare software developers. We specialize in health cloud solutions, interoperability, Telehealth, patient engagement and portals, and remote patient monitoring. Whether you are looking for a qualified healthcare software development team that can help with EHR integration services or Clinical Decision Support Systems, Vicert is the answer. Learn more about our health tech skills today.

Rover Data Systems is a business software provider specializing in an affordable, customizable ERP solution for manufacturers, distributors, and inventory-oriented companies.

Techcronus is a global provider of Enterprise Business Solutions and Web & Mobile App Development Company in California, USA, India, and the UK since 2010. They take complete responsibility for their customer’s software development needs, ensuring top quality results at all times. Their value proposition is the strength that distinguishes them in providing industry-specific services, multi-platform technology expertise, strategic alliances with professional consultants and business experts, and long-term partnership commitments. Techcronus team of experts delivers transformative technology solutions using various platforms including Microsoft Dynamics 365 (NAV, AX, CRM), Microsoft .NET, SharePoint & O365, PowerBI, PHP, Java, iOS, Android, React Native, etc.

iOPEX works with enterprise customers across industries in architecting solutions based on future technologies such as Artificial Intelligence, Machine Learning, Robotic Process Automation, and Data Analytics. Our experience engineering approach helps digital-first companies offer personalized 360 degree digital experiences to their customers, employees and partners. We build a digital fabric that cuts across legacy and modern systems, integrates systems of record and automates business processes to drive efficiency, accurancy, and growth.