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.
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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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961$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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962UndisclosedFreelancer 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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963$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
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Life360 Sposor United Google Luxon PayIndustries
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964$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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965Undisclosed2 - 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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966Undisclosed2 - 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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967Undisclosed2 - 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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968Undisclosed2 - 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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969Undisclosed2 - 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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970Undisclosed2 - 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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971Undisclosed2 - 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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972$10,000+2 - 9 employeesSan Francisco, CARead More
Custom software development company Bloorsoft was founded in 2022. The small team specializes in custom software development, digital strategy, social media marketing, content marketing, and more. The firm is in Toronto, Canada.
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973Undisclosed2 - 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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974Undisclosed2 - 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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975$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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976$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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977$10,000+50 - 249 employeesSan Jose, CARead More
WebMob Technologies is a full-service web, mobile, and custom software developer based in Ahmedabad, India with an office in San Jose, CA. Since 2010, this team of 10+ digital experts has provided end-to-end solutions for a wide range of verticals.
Clients
USA Real estate brokerage firmsIndustries
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978$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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979$50,000+50 - 249 employeesLong Beach, CAEstablished in 2019, bycoders_ is a Low/No Code Development company. Their midsize team is headquartered in Cascais, Portugal; São Paulo, Brazil and Long Beach, California. Their services include Low/No Code Development, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
Clients
banking E-commerce health LogisticsIndustries
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980$25,000+50 - 249 employeesLos Angeles, CASoftermii, a custom software development company, was established in 2014. They are headquartered in Los Angeles, California; L'viv, Ukraine; München, Germany and Stockholm, Sweden and have a midsize team. Their services include Custom Software Development, AI Consulting, Artificial Intelligence, and IT staff augmentation.Read More
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Events10xIndustries
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981$10,000+50 - 249 employeesSan Francisco, CAEstablished in 2010, JetRuby Agency is a website development firm. They are located in Alexandria, Virginia and San Francisco, California and have a midsize team. Their services include Web Development, Mobile App Development, Artificial Intelligence, Custom Software Development, and more.Read More
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OSRAMIndustries
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982Undisclosed10 - 49 employeesSan Francisco, CAArizona Bay is a small software development company and Financial Consulting company located in San Francisco, California. Their services include Custom Software Development and Financial Consulting.Read More
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983$5,000+50 - 249 employeesAnaheim, CAAxis Technical Group, Inc. Is an IT strategy consulting company founded in 2002. The firm offers IT strategy consulting and CRM consulting and SI.Read More
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984$5,000+50 - 249 employeesSan Diego, CAEinstein Industries is a midsize San Diego, California-based social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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Docshop -
985Undisclosed50 - 249 employeesWoodbridge, CASplash Factory LLC is a Woodbridge, California-based custom software development company. They offer Custom Software Development and UX/UI Design and were founded in 2015.Read More
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986Undisclosed50 - 249 employeesGarden Grove, CATeam Debello is a Digital Strategy company based in Garden Grove, California. Their services include Digital Strategy and Social Media Marketing.Read More
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987Undisclosed50 - 249 employeesSan Diego, CAVetsEZ is a cloud consulting & SI company. The company is headquartered in San Diego, California. Their services include cloud consulting & SI and IT managed services.Read More
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988Undisclosed50 - 249 employeesSan Francisco, CAKinetica is a midsize custom software development company. Launched in 2009, the team offers Custom Software Development and Artificial Intelligence.Read More
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989Undisclosed50 - 249 employeesSan Diego, CA1Point21 Interactive is a SEO services firm. The San Diego, California-based firm focuses on Search Engine Optimization and Public Relations.Read More
Industries
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990Undisclosed50 - 249 employeesSan Jose, CAInfobahn Softworld Inc is a cloud consulting & SI company. The agency is based in Toronto, Canada and San Jose, California. Their team focuses on cloud consulting & SI and Application Testing.Read More
Industries
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