Top 100 Software Development Companies in California
The Best of December 2025Looking 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, CAKingsmen Digital Ventures is a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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811$1,000+10 - 49 employeesSan Ramon, CARoundtechsquare is a social media marketing agency. The team specializes in Social Media Marketing and Search Engine Optimization and is based in San Ramon, California and Vadodara, India.Read More
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812$10,000+10 - 49 employeesWestminster, CASoftware development firm MLTech Soft was launched in 2020. Their small team is located in Ho Chi Minh City, Vietnam; Singapore, Singapore and Westminster, California and focuses on Custom Software Development, IT managed services, Artificial Intelligence, Enterprise App Modernization, and more.Read More
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PSA Marine Private Limited Unilever Vietnam International Company Limited Lof International Dairy Products Joint Stock Company Yen Viet Joint Stock CompanyIndustries
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813$1,000+50 - 249 employeesEmeryville, CAMoogleLabs is an AI development company established in 2020. The midsize team focuses on Artificial Intelligence, AI Consulting, Custom Software Development, Low/No Code Development, and more. The agency is headquartered in Emeryville, California; Surrey, Canada; Sahibzada Ajit Singh Nagar, India and Mississauga, Canada.Read More
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814$5,000+250 - 999 employeesSan Francisco, CARead More
Zazmic Inc. is a digital agency that is headquartered in San Francisco with an office Dnipro, Ukraine. It was founded in 2014 and has more than 100 employees who specialize in web development, mobile app development, UX/UI design, mobile & app marketing, and email marketing.
Clients
Rakuten Boostr Valassis UpChooseIndustries
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815UndisclosedFreelancer employeesSacramento, CAMobile app development company Electric Web is in Sacramento, California. They focus on mobile app development, custom software development, digital strategy, search engine optimization, and more and were launched in 2010.Read More
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816Undisclosed2 - 9 employeesWest Covina, CAIMCOR Technologies, a small software development company, is headquartered in West Covina, California. Their services include Custom Software Development and E-Commerce Development.Read More
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817Undisclosed2 - 9 employeesOceanside, CASoftware development firm Expeditionary Technical Solutions, Incorporated is in Oceanside, California. They provide Custom Software Development and Application Management & Support.Read More
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818Undisclosed2 - 9 employeesPleasant Hill, CARevealio, Inc., a software development firm, was launched in 2016. The team specializes in Custom Software Development and IT managed services and is based in Pleasant Hill, California.Read More
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819Undisclosed2 - 9 employeesLong Beach, CARead More
Located in Long Beach, California, Delta Data Services LLC is an IT strategy consulting company. The agency provides IT strategy consulting, BI & big data consulting & SI, IT managed services, and custom software development and is small.The agency was founded in 2009.
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820Undisclosed2 - 9 employeesGlendale, CAEstablished in 2010, toKernel is a web design agency. Their services include Web Design and Custom Software Development.Read More
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821Undisclosed2 - 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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822$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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823$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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824$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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825$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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826$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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827$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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828$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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829$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.
Clients
OdexIndustries
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830$100,000+50 - 249 employeesChatsworth, CASoftware development firm Inverted Software was launched in 2001. The team specializes in Custom Software Development and UX/UI Design.Read More
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831$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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832$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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833$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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834$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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835Undisclosed10 - 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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836Undisclosed10 - 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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837Undisclosed10 - 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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838$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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839Undisclosed10 - 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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840Undisclosed10 - 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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