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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331$5,000+2 - 9 employeesSan Francisco, CAStartupLandia is a custom software development firm launched in 2012. Located in San Francisco, California, the team specializes in Custom Software Development and Mobile App Development.Read More
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332Undisclosed10 - 49 employeesSan Diego, CABarefoot Solutions is a branding agency. They were founded in 2006, and their services include Branding and UX/UI Design.Read More
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IMAXIndustries
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333$5,000+10 - 49 employeesMarina del Rey, CALaunched in 2015, Mobylogix, a small mobile app development firm, is headquartered in Marina del Rey, California and Kolding, Denmark. Their team focuses on Mobile App Development and Web Development.Read More
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334$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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335$1,000+10 - 49 employeesSan Francisco, CAThe Website Designs is a San Francisco, California-based branding firm. The small agency was established in 2009. Their team focuses on branding, public relations, social media marketing, pay per click, and more.Read More
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336$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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337$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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338$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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339$10,000+2 - 9 employeesIstanbul, TürkiyeSoftware 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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340$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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341Undisclosed50 - 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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342$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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YazaIndustries
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343$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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344$1,000+2 - 9 employeesSan Francisco, CAConversion Optimization company Startercode was launched in 2022. The small team provides Conversion Optimization and Search Engine Optimization.Read More
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345$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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346$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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347$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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348$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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349$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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350$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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351$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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352$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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353Undisclosed10 - 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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354$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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355$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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356$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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357$1,000+250 - 999 employeesSingapore, SingaporeVysystems 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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358$25,000+250 - 999 employeesSan Diego, CAHeadquartered in San Diego, California; Wrocław, Poland; San Rafael, Costa Rica and Warszawa, Poland, EffectiveSoft is an AI Agents company. The midsize firm was founded in 2003. Their services include AI Agents, Custom Software Development, cloud consulting & SI, Artificial Intelligence, and more.Read More
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359$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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360$25,000+10 - 49 employeesBurlingame, CABXGI is a Burlingame, California-based IT staff augmentation company. They provide IT staff augmentation and Custom Software Development.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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