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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361$10,000+2 - 9 employeesRedondo Beach, CALaunched in 2015, Kranium Consulting, Inc. Is an IT managed services company. The firm specializes in IT managed services and Custom Software Development.Read More
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362$5,000+10 - 49 employeesBurlingame, CAConstruct Studio is an AR/VR development company. Established in 2016, the team offers AR/VR development and Custom Software Development. The firm is headquartered in Burlingame, California.Read More
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363$50,000+250 - 999 employeesWalnut Creek, CASolvd, Inc., an artificial intelligence firm, is located in Walnut Creek, California; Chernivtsi, Ukraine; Tandil, Argentina and Kyiv, Ukraine. Launched in 2011, the midsize team focuses on Artificial Intelligence, AI Agents, Generative AI, Custom Software Development, and more.Read More
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364$25,000+10 - 49 employeesRancho Cucamonga, CADAS Labs, a small custom software development firm, is located in Rancho Cucamonga, California. The team provides Custom Software Development and Mobile App Development.Read More
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365$5,000+2 - 9 employeesPasadena, CAHarlow Technologies is a custom software development company. In Pasadena, California, the team offers Custom Software Development and Mobile App Development.Read More
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366$10,000+2 - 9 employeesPalo Alto, CASoftware development firm and AR/VR development company DreamUp is in London, England and Istanbul, Türkiye. The team specializes in Custom Software Development and AR/VR development.Read More
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367$1,000+2 - 9 employeesLaguna Beach, CAPAK Digital is a custom software development company. They focus on Custom Software Development and E-Commerce Development and are in Laguna Beach, California.Read More
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368$1,000+10 - 49 employeesPetaluma, CATheCodery is a CRM consulting and SI company. They are located in Petaluma, California, and their services include CRM consulting and SI and Custom Software Development.Read More
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369Undisclosed50 - 249 employeesWalnut Creek, CALaunched in 1994, Object Edge Inc is a custom software development firm. The team offers Custom Software Development and E-Commerce Development and is in Walnut Creek, California.Read More
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370$1,000+10 - 49 employeesFremont, CAEInnoSys is a software development firm. The team is located in Fremont, California and Ahmedabad, India, and their services include Custom Software Development and Search Engine Optimization.Read More
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371$50,000+250 - 999 employeesSan Diego, CAArkusNexus is an IT staff augmentation company. In San Diego, California and Irvine, California, the company focuses on IT staff augmentation and Custom Software Development.Read More
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372$10,000+10 - 49 employeesLos Angeles, CARead More
Cloudflex, a custom software development firm, is in Kyiv, Ukraine. The small team specializes in custom software development, mobile app development, web development, Artificial Intelligence, and more. The firm was founded in 2018.
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373$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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374$250,000+10 - 49 employeesIrvine, CAStfinetech is a custom software development firm. Their small team is headquartered in Irvine, California. The agency provides Custom Software Development, IT strategy consulting, and Recruiting.Read More
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375$10,000+2 - 9 employeesDublin, CAVortex Innovation Labs is a small Dublin, California-based custom software development company. Their services include Custom Software Development and Artificial Intelligence.Read More
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376$5,000+250 - 999 employeesSanta Clara, CAVMO US LLC is a custom software development firm established in 2012. The midsize team provides Custom Software Development and Mobile App Development.Read More
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377$25,000+10 - 49 employeesSan Jose, CADataFluent is a custom software development firm. Located in San Jose, California, the agency focuses on Custom Software Development and BI & big data consulting & SI.Read More
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378$25,000+50 - 249 employeesBurbank, CACustom software development company codective focuses on Custom Software Development and Artificial Intelligence. They are in New York, New York and Burbank, California.Read More
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379$25,000+50 - 249 employeesBeverly Hills, CASoftware development company AIM Tech AI was founded in 1999. The midsize Beverly Hills, California-based team offers custom software development, web development, mobile app development, and application testing.Read More
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380$10,000+10 - 49 employeesIrvine, CAEstablished in 2021, VantaSoft is a software development company. Headquartered in Irvine, California, the team specializes in Custom Software Development and Web Development.Read More
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381$10,000+50 - 249 employeesSacramento, CASoftenix is a software development company. They specialize in Custom Software Development and Web Development and were founded in 2010. The company is in Sacramento, California.Read More
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382Undisclosed10 - 49 employeesOakland, CAProphet Town LLC is a custom software development firm established in 2013. The agency offers Custom Software Development and Engineering, and is small.Read More
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383$10,000+50 - 249 employeesNewark, CACentral Business Solutions, Inc is a software development firm. Located in Newark, California, the agency was launched in 2000. Their team offers Custom Software Development and Business Consulting.Read More
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384$10,000+2 - 9 employeesRedding, CAEstablished in 2019, Framework is a software development firm and UX company. The firm offers Custom Software Development and UX/UI Design, and is small.Read More
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385$10,000+2 - 9 employeesSan Diego, CAIntegral Stack is a custom software development firm. Based in San Diego, California, their team offers Custom Software Development and Web Development.Read More
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386$1,000+10 - 49 employeesCupertino, CATek-Connect is an IT strategy consulting company. Based in Cupertino, California, the team offers IT strategy consulting and Custom Software Development.Read More
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387$1,000+250 - 999 employeesSanta Clara, CAVysystems Pte Ltd is a SEO agency. The team focuses on Search Engine Optimization and Web Design and is in Singapore, Singapore and Chennai, India.Read More
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388$1,000+10 - 49 employeesSan Francisco, CABeyond the wow is a custom software development firm established in 2026. The firm focuses on Custom Software Development and Artificial Intelligence, and is small.Read More
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389$10,000+2 - 9 employeesEmeryville, CAMobile application development company AppMozart was established in 2019. The company focuses on Mobile App Development and Web Development.Read More
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390$25,000+250 - 999 employeesSan Diego, CAEffectiveSoft is a midsize AI Agents company. Headquartered in San Diego, California; Wrocław, Poland; San Rafael, Costa Rica and Warszawa, Poland, the company was established in 2003. Their services include AI Agents, Custom Software Development, cloud consulting & SI, Artificial Intelligence, and more.Read More
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Check out a Software Developers in California with the most new reviews in the past 12 months.
Most Reviewed
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