Top 100 Software Development Companies in California
The Best of March 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.
List of the Best California Software Developers
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$10,000+10 - 49 employeesIrvine, CACustom software development company Kingsmen Digital Ventures is based in Irvine, California. The small team specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more and was launched in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is an artificial intelligence firm founded in 2001. Their small team is in Medina, Washington and offers Artificial Intelligence, UX/UI Design, AI Consulting, Custom Software Development, and more.Read More
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841Undisclosed2 - 9 employeesHuntington Beach, CAProticom is a custom software development firm. Based in Huntington Beach, California, the company was launched in 1996. Their services include Custom Software Development and Application Testing.Read More
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842$50,000+2 - 9 employeesSan Francisco, CAKid2Design is an Indianapolis, Indiana-based AI company. They provide Artificial Intelligence and Custom Software Development and were established in 2025.Read More
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843$10,000+250 - 999 employeesSan Jose, CARead More
Trajectus, a web design agency, is based in Southfield, Michigan and San Jose, California. They provide web design, e-commerce development, enterprise app modernization, application management & support, and more and were founded in 2015.
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844$50,000+250 - 999 employeesCamarillo, CARead More
Vizuri is a development and computer software company based in Herndon, Va. They were founded in 1986 and have a team of around 250 employees. Their services include custom software development, IT staff augmentation, and IT strategy consulting.
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AetnaIndustries
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845$10,000+50 - 249 employeesSan Mateo, CATensorway, an AI development company, was launched in 2019. Based in Alicante (Alacant), Spain and San Mateo, California, their midsize team provides Artificial Intelligence, AI Consulting, AI Agents, Custom Software Development, and more.Read More
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846$25,000+10 - 49 employeesRolling Hills Estates, CAIT managed services company Navinod Technologies LLP(Aykan®) was launched in 2017. They are headquartered in Mangaluru, India and Rolling Hills Estates, California and have a small team. Their services include IT managed services, Artificial Intelligence, AI Consulting, Generative AI, and more.Read More
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847$10,000+2 - 9 employeesSan Diego, CAEstablished in 2023, Life Tree Studio is a small San Diego, California-based software development company. Their services include Custom Software Development and Web Development.Read More
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848$10,000+50 - 249 employeesMountain View, CARead More
Forgeahead Solutions is an IT staff augmentation and custom software development company. Established in 1999, the firm is in Mountain View, California; Burnaby, Canada and Pune, India. The midsize team offers IT staff augmentation and custom software development.
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849$5,000+Freelancer employeesSan Francisco, CASiteAppy LLC is an Enterprise App Modernization company. The team focuses on Enterprise App Modernization and Custom Software Development and is in San Francisco, California.Read More
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850$5,000+2 - 9 employeesIrvine, CASmall web development firm Softshop, is in Irvine, California. Their services include Web Development and Search Engine Optimization.Read More
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851$5,000+10 - 49 employeesCitrus Heights, CARead More
RIVO AGENCY is a small custom software development firm. They provide Custom Software Development and Web Development and were founded in 2010. The agency is headquartered in Citrus Heights, California and Rivne, Ukraine.
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OdexIndustries
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852$50,000+250 - 999 employeesSan Francisco, CABased in San Francisco, California; Dubai, United Arab Emirates; Noida, India and Coventry, England, SDLC Corp is a midsize software development firm. Established in 2015, the team provides Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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853$1,000+10 - 49 employeesRedwood City, CARead More
Monster Code Corporation is a software development and web design company that was founded in 2013. They are headquartered in Redwood City, Calif., and have an additional office in Budapest. While Monster Code Corporation serves small and midmarket businesses, most clients are enterprise firms. Services include web design, web development, mobile app development, and e-commerce development.
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854$5,000+10 - 49 employeesIrvine, CARead More
Horizon Labs is a small Irvine, California-based web development company. They focus on Web Development, Custom Software Development, Artificial Intelligence, IT staff augmentation, and more and were founded in 2019.
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YuraHealth.com Kidsy.co Rarewaters.com Flairlabs.ai (YC S22)Industries
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855$5,000+10 - 49 employeesAlbany, CARemoteFace, a web design agency, is headquartered in Albany, California. They specialize in Web Design and Custom Software Development and were founded in 2008.Read More
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856$25,000+10 - 49 employeesSan Clemente, CAAdapt360, a software development company, offers Custom Software Development and Web Development. The company is in San Clemente, California.Read More
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857$5,000+10 - 49 employeesLos Angeles, CAZEHNER is a software development company. They are based in Los Angeles, California and New York, New York and have small team. They provide Custom Software Development and Web Development.Read More
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858Undisclosed10 - 49 employeesWest Covina, CAZero Six Media is a custom software development firm. Based in West Covina, California, the agency was launched in 2008. Their services include Custom Software Development and Web Design.Read More
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859Undisclosed10 - 49 employeesVista, CALaunched in 2003, Cognetic Technologies is a custom software development firm. Their services include Custom Software Development and Web Development.Read More
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860Undisclosed10 - 49 employeesWalnut Creek, CABright Apps LLC, a software development company, is based in Walnut Creek, California. Founded in 1990, the team provides Custom Software Development and Artificial Intelligence.Read More
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861$10,000+10 - 49 employeesLos Angeles, CARead More
6OMB is a digital strategy company. They are headquartered in Mission Viejo, California and have a small team. Their services include digital strategy, conversion optimization, e-commerce development, and business consulting. The firm was launched in 2017.
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862Undisclosed10 - 49 employeesSan Diego, CABusiness Consulting company Intelesis Technologies was launched in 1997. The agency specializes in Business Consulting and IT strategy consulting, and is small.Read More
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863Undisclosed10 - 49 employeesTorrance, CAEstablished in 1990, Bakers Man is a custom software development company. Their services include Custom Software Development and UX/UI Design.Read More
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864Undisclosed10 - 49 employeesSan Mateo, CAEstablished in 2010, Hi Dev is a software development company. The team specializes in Custom Software Development and Web Development.Read More
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865Undisclosed10 - 49 employeesPasadena, CABusiness intelligence company AuriQ Systems, Inc. Is headquartered in Pasadena, California. Founded in 1996, the team focuses on BI & big data consulting & SI and Custom Software Development.Read More
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866Undisclosed10 - 49 employeesLos Angeles, CALukasa is a branding firm. The team provides Branding and UX/UI Design and is located in Los Angeles, California.Read More
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867Undisclosed10 - 49 employeesSanta Clara, CABatchTest is a small Product Design company launched in 2005. Their team specializes in Product Design and Application Testing.Read More
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868Undisclosed10 - 49 employeesSan Diego, CAAdvantu is an Application Testing company. Their small team of employees is based in San Diego, California. Their team offers Application Testing and Custom Software Development.Read More
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869Undisclosed10 - 49 employeesBerkeley, CAFounded in 2005, CloudBase Services is a small cloud consulting & SI company. Their team offers cloud consulting & SI and BI & big data consulting & SI.Read More
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870Undisclosed10 - 49 employeesSan Jose, CALaunchable, Inc is a data analytics company. Located in San Jose, California, the team specializes in BI & big data consulting & SI and Custom Software Development.Read More
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