Top 100 Software Development Companies in California
The Best of October 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 custom software development company, is in Irvine, California. Established in 2017, the small team offers Custom Software Development, Mobile App Development, UX/UI Design, Web Development, and more.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a custom software development firm. The Medina, Washington-based company was established in 2001. The small team focuses on Custom Software Development, UX/UI Design, Mobile App Development, Web Design, and more.Read More
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1081$5,000+2 - 9 employeesMilpitas, CABg2.ai is an artificial intelligence company. They specialize in Artificial Intelligence and AI Consulting and were established in 2025.Read More
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1082$10,000+2 - 9 employeesLos Angeles, CAForthgoing is a small web design agency established in 2025. Their team provides Web Design and UX/UI Design.Read More
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1083$10,000+50 - 249 employeesMountain View, CATechmave Software is an app development company. The agency is headquartered in Noida, India and Mountain View, California. Their team specializes in Mobile App Development and Web Development.Read More
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1084Undisclosed250 - 999 employeesMenlo Park, CAKumaran Systems is a Menlo Park, California-based Enterprise App Modernization company. Founded in 1991, the team focuses on Enterprise App Modernization and BI & big data consulting & SI.Read More
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1085$1,000+Freelancer employeesSacramento, CAUplift Digital Solutions, LLC, a web design company, offer Web Design and UX/UI Design. They were founded in 2022.Read More
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1086$5,000+Freelancer employeesAtascadero, CA//TREVORFRY.TECH is a branding company founded in 2024. The team provides Branding and Web Design.Read More
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1087$1,000+Freelancer employeesGardena, CA10xDev is a SEO services firm. Established in 2025, the agency focuses on Search Engine Optimization and Web Design.Read More
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1088UndisclosedFreelancer employeesRohnert Park, CACzezar Design & Development is an UX agency in Rohnert Park, California. They specialize in UX/UI Design and Corporate Photography.Read More
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1089$5,000+Freelancer employeesSan Francisco, CAFull Commit AI, a website development firm, was established in 2026. The small team specializes in Web Development and E-Commerce Development.Read More
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1090$1,000+Freelancer employeesBurbank, CAWebsite development firm Felix Digital Solutions is based in Burbank, California. Launched in 2024, the team offers Web Development and Mobile App Development.Read More
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1091$1,000+Freelancer employeesHayward, CALeon Builds is a web development firm. The small Hayward, California-based team specializes in Web Development and Mobile App Development. The agency was established in 2023.Read More
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1092$100,000+50 - 249 employeesSan Mateo, CAEstablished in 2017, Softbinator Technologies is a Product Design company. The company offers Product Design and IT staff augmentation, and is midsize.Read More
Clients
Life360 Sposor United Google Luxon PayIndustries
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1093$5,000+2 - 9 employeesCalabasas, CAColddata is an IT strategy consulting company founded in 2000. The team offers IT strategy consulting and Custom Software Development.Read More
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1094Undisclosed2 - 9 employeesLong Beach, CABit Lagoon is a software development firm established in 2014. Their services include Custom Software Development and IT managed services.Read More
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1095Undisclosed2 - 9 employeesLivermore, CANetwork Software Services is a software development company. Their team is located in Livermore, California and offers Custom Software Development and UX/UI Design.Read More
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1096Undisclosed2 - 9 employeesSanta Clarita, CALOGIC NINE, a small software development firm and website development company, is headquartered in Santa Clarita, California. The team offers Custom Software Development and Web Development.Read More
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1097Undisclosed2 - 9 employeesLos Angeles, CABased in Los Angeles, California, Villac & Valenz is a small software development firm and IT managed services company. Their services include Custom Software Development and IT managed services.Read More
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1098Undisclosed2 - 9 employeesSimi Valley, CABased in Simi Valley, California, KAI Engineering is a small custom software development firm and Product Design company. The team provides Custom Software Development and Product Design.Read More
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1099Undisclosed2 - 9 employeesOakland, CALocated in Oakland, California, Palo Colorado Software, LLC is a small custom software development company. Their services include Custom Software Development and UX/UI Design.Read More
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1100Undisclosed2 - 9 employeesRocklin, CALaunched in 2007, Matrix Innovative Systems, Inc. Is a software development firm and cloud consulting & SI company. The team focuses on Custom Software Development and cloud consulting & SI.Read More
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1101Undisclosed2 - 9 employeesOceanside, CAHAYANOVA is an Oceanside, California-based software development company and API Development company. The team focuses on Custom Software Development and API Development.Read More
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1102Undisclosed2 - 9 employeesIrvine, CAOC Imagine is a web design agency. The Irvine, California-based agency was launched in 2021. Their services include Web Design and Custom Software Development.Read More
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1103$1,000+2 - 9 employeesSan Francisco, CAAitomation is a custom software development firm headquartered in Lahore, Pakistan and San Francisco, California. Launched in 2015, the team offers Custom Software Development and Application Testing.Read More
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1104$1,000+10 - 49 employeesSan Ramon, CAEstablished in 2017, Naqvix is an app development company. The firm offers Mobile App Development and Web Development, and is small.Read More
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1105$5,000+10 - 49 employeesSanta Clara, CAHubrum Technologies Inc is an IT managed services company launched in 2017. The team provides IT managed services and IT staff augmentation.Read More
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1106$5,000+Freelancer employeesLake Forest, CAForza-TEK is an ERP consulting and SI company. Their small team is located in Lake Forest, California. Their services include ERP consulting and SI and AI Consulting.Read More
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1107$25,000+50 - 249 employeesLos Angeles, CATechgropse is a mobile application development company. Located in Dubai, United Arab Emirates; Riyadh, Saudi Arabia; Doha, Qatar and Sharjah, United Arab Emirates, their midsize team offers Mobile App Development, Artificial Intelligence, E-Commerce Development, and Custom Software Development. The firm was established in 2015.Read More
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1108$10,000+50 - 249 employeesSanta Clara, CAMSBC Group is a software development company established in 2002. The team provides Custom Software Development and IT strategy consulting.Read More
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1109UndisclosedFreelancer employeesSacramento, CACF Consult Solutions is a web design company established in 2026. Located in Sacramento, California, the team specializes in Web Design and Web Development.Read More
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1110$5,000+50 - 249 employeesDowney, CASoftware development company Ezulix Software is headquartered in Gurugram, India; Downey, California; Jaipur, India and London, England. The midsize team focuses on Custom Software Development, Artificial Intelligence, Mobile App Development, IT strategy consulting, and more and was founded in 2015.Read More
Industries
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Check out a Software Developers in California with the most new reviews in the past 12 months.
Most Reviewed
Software Developers
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