Top 100 Software Development Companies in California
The Best of July 2026Looking for a top software developer in California?
As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.
To assist you in your search for a partner, we’ve compiled this list of the top software development companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best California Software Developers
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a software development company, is located in Irvine, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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841Undisclosed10 - 49 employeesMilpitas, CACrosslynx US LLC, a custom software development firm, is located in Milpitas, California. They offer Custom Software Development and Application Testing.Read More
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842Undisclosed10 - 49 employeesSunnyvale, CAFounded in 2005, Rapid Eagle Inc, a small custom software development company, is located in Sunnyvale, California. Their services include Custom Software Development and Business Consulting.Read More
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843$1,000+10 - 49 employeesMountain View, CATCO TEAM is a website development firm. They are located in Yerevan, Armenia; Gyumri, Armenia and Mountain View, California and have a small team. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more. The agency was established in 2016.Read More
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Sparsis HoldingIndustries
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844$5,000+10 - 49 employeesAnaheim, CASoftUp Agency is an IT strategy consulting company launched in 2023. In Anaheim, California and Amsterdam, Netherlands, the team focuses on IT strategy consulting and Custom Software Development.Read More
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845$10,000+50 - 249 employeesSan Mateo, CAG360Technologies is a custom software development firm. Established in 2010, the team provides Custom Software Development, Generative AI, Application Testing, Application Management & Support, and more. Their midsize company is located in San Mateo, California and Montevideo, Uruguay.Read More
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846Undisclosed2 - 9 employeesLos Angeles, CAFrothlogic, a software development firm, offers Custom Software Development and Mobile App Development. The firm is located in Los Angeles, California.Read More
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847$1,000+10 - 49 employeesSan Jose, CATécrave is a small web development company. Founded in 2019, the team specializes in Web Development and Custom Software Development.Read More
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848Undisclosed50 - 249 employeesSan Francisco, CASiliconMint is a San Francisco, California-based software development firm. Launched in 2012, the team focuses on Custom Software Development and Web Development.Read More
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849$1,000+50 - 249 employeesLos Angeles, CAMadiff is an artificial intelligence company. Their midsize team is located in Warszawa, Poland; Braga, Portugal; Kraków, Poland and Los Angeles, California. The agency provides Artificial Intelligence, IT managed services, Custom Software Development, Blockchain, and more.Read More
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AWP Polska SP. z o.o.Industries
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850$10,000+250 - 999 employeesSan Francisco, CAEmpat is an application development company. They are headquartered in San Francisco, California; Kyiv, Ukraine; London, England and Miami, Florida and have a midsize team. Their services include Mobile App Development, Custom Software Development, Artificial Intelligence, and Web Development. The company was founded in 2013.Read More
Clients
Obimy — A mobile app connecting loved ones across distances with over 10 million downloads on iOS and Android. Enables seamless communication and emotional connection. Mobile app development and social networking focus. Bigsister — Custom AI software designed for sales performance tracking and analysis, providing clean, accurate data to optimize sales teams and improve efficiency with advanced analytics. Trigga — A fintech project featuring payment systems and a comprehensive analytical database to support secure transactions and financial insights for smarter decision-making. DentalCare — Healthcare ecosystem with mobile app, web development, and CRM tools for managing patient records, tracking appointments, and sending automated reminders to improve patient care.Industries
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851$1,000+50 - 249 employeesLos Angeles, CANowcom is a Back Office Outsourcing company. Founded in 1996, their team provides Back Office Outsourcing and Custom Software Development.Read More
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852Undisclosed50 - 249 employeesBrisbane, CAVOX Network Solutions is a software development firm. The team focuses on Custom Software Development and Customer Service Outsourcing and is located in Brisbane, California.Read More
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853Undisclosed50 - 249 employeesMonterey, CABusiness Consulting company Advanced Onion, Inc. Was established in 2006. The team focuses on Business Consulting and Custom Software Development and is located in Monterey, California.Read More
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854Undisclosed2 - 9 employeesAntioch, CAThe Learning Design Studio, a custom software development company, is located in Antioch, California. Launched in 2021, the team focuses on Custom Software Development.Read More
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855Undisclosed50 - 249 employeesFremont, CAInterSources Inc, a midsize UX agency, is based in Wilmington, Delaware and Fremont, California. The team provides UX/UI Design and BI & big data consulting & SI.Read More
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856Undisclosed50 - 249 employeesSan Diego, CASoftClouds is a cloud consulting & SI company launched in 2005. Their team offers cloud consulting & SI and CRM consulting and SI.Read More
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857Undisclosed50 - 249 employeesIrvine, CAEJAmerica is a big data analytics company located in Irvine, California. Founded in 2016, the team specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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858Undisclosed50 - 249 employeesSan Ramon, CATrident Consulting Inc, a business intelligence company, offer BI & big data consulting & SI and cloud consulting & SI. They were founded in 2005.Read More
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859Undisclosed50 - 249 employeesPleasanton, CAAllianceIT Inc is a data analytics company. In Pleasanton, California, the team specializes in BI & big data consulting & SI and ERP consulting and SI.Read More
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860Undisclosed50 - 249 employeesSanta Clara, CAMidsize user experience design company Infotech Spectrum Inc, is headquartered in Santa Clara, California. The team specializes in UX/UI Design and IT strategy consulting.Read More
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861Undisclosed50 - 249 employeesAnaheim, CAUB Technology Innovations (UBTI) is a cloud consulting & SI company. The Anaheim, California-based team focuses on cloud consulting & SI and Custom Software Development.Read More
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862Undisclosed50 - 249 employeesCupertino, CAAppPerfect Corp is a custom software development firm. Headquartered in Cupertino, California, their team focuses on Custom Software Development and Robotics Process Automation.Read More
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863Undisclosed50 - 249 employeesSan Jose, CABetaSoft Inc. Is a cloud consulting & SI company. Their midsize team of employees is based in San Jose, California. Their team provides cloud consulting & SI and Application Testing.Read More
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864Undisclosed1,000 - 9,999 employeesSunnyvale, CAXoriant is an UX agency launched in 1990. The company offers UX/UI Design and BI & big data consulting & SI, and is large.Read More
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865Undisclosed50 - 249 employeesSanta Clara, CAEITACIES Inc., a data analytics company, is located in Santa Clara, California. Founded in 2008, the team focuses on BI & big data consulting & SI and Custom Software Development.Read More
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866Undisclosed50 - 249 employeesSunnyvale, CABased in Sunnyvale, California, TRUEXTEND, Inc. Is a custom software development firm. The team offers Custom Software Development and Web Development.Read More
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867Undisclosed50 - 249 employeesChico, CALiatrio, a cloud consulting & SI company, was launched in 2023. The team focuses on cloud consulting & SI and Custom Software Development and is headquartered in Chico, California.Read More
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868Undisclosed50 - 249 employeesChico, CAShasta QA , an Application Testing company, was launched in 2002. The midsize team offers Application Testing and Custom Software Development.Read More
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869Undisclosed50 - 249 employeesRedwood City, CASplit Software, Inc. Is an Application Testing company. They offer Application Testing and Custom Software Development and were launched in 2015.Read More
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870Undisclosed50 - 249 employeesSan Diego, CAMiva, Inc. Is a midsize SEO services firm based in Tampa, Florida and San Diego, California. Their services include Search Engine Optimization and Web Design.Read More
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Check out a Software Developers in California with the most new reviews in the past 12 months.
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