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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841$10,000+10 - 49 employeesLos Angeles, CALexis Solutions is a software development firm launched in 2017. The firm offers Custom Software Development, Web Development, AI Consulting, Mobile App Development, and more and has a small team. The firm is in Sofia, Bulgaria; Los Angeles, California and Berlin, Germany.Read More
Clients
Onnoplus.com Kreston Bulmar Reviewhero.io Inoreader.comIndustries
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842$1,000+2 - 9 employeesLos Angeles, CAAzantic is a Warszawa, Poland-based e-commerce development company. The small team focuses on E-Commerce Development, Web Development, Web Design, Custom Software Development, and more and was launched in 2017.Read More
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Cambridge RealityIndustries
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843$5,000+10 - 49 employeesLos Angeles, CARead More
Octal Digital is a web design company based in Houston. Founded in 2008, their team of two employees provides e-commerce development, mobile app design, and web design services.
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Coca ColaIndustries
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844$1,000+10 - 49 employeesSan Mateo, CABinstellar Technologies Pvt. Ltd., a mobile application development company, was established in 2021. The firm specializes in Mobile App Development, Custom Software Development, ERP consulting and SI, Web Development, and more and has a small team. The firm is based in Ahmedabad, India and San Mateo, California.Read More
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Test RoutesIndustries
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845$25,000+250 - 999 employeesMilpitas, CAEstuate is a software development firm. They were established in 2005 and offer Custom Software Development and Enterprise App Modernization.Read More
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846$5,000+2 - 9 employeesPasadena, CACityCenter Co. Is a web design agency. They are headquartered in Pasadena, California and have small team of experts. Their services include Web Design and Custom Software Development.Read More
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847$5,000+2 - 9 employeesLos Angeles, CA1969 Communications is a Los Angeles, California-based web development company. The team offers Web Development and Custom Software Development.Read More
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848$10,000+2 - 9 employeesSan Diego, CASoftware development company Notch8 is based in San Diego, California. Launched in 2007, the team offers Custom Software Development and Web Development.Read More
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849Undisclosed2 - 9 employeesSunnyvale, CAINT9 Solutions is a Business Consulting company. They were launched in 2015, and their services include Business Consulting and Custom Software Development.Read More
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850Undisclosed2 - 9 employeesOakland, CACorporate Training & Coaching company tEQuitable focuses on Corporate Training & Coaching and Business Consulting. They were established in 2017.Read More
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851Undisclosed2 - 9 employeesSan Francisco, CADELTA Computer Solutions is a small San Francisco, California-based software development firm. Their services include Custom Software Development and CRM consulting and SI.Read More
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852Undisclosed2 - 9 employeesSacramento, CASunstoneIT is a small IT strategy consulting company located in Sacramento, California. Their services include IT strategy consulting and Custom Software Development.Read More
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853Undisclosed2 - 9 employeesLos Angeles, CAPerformigence Corporation is a custom software development firm. Launched in 1998, the team offers Custom Software Development and IT strategy consulting.Read More
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854$1,000+10 - 49 employeesMountain View, CATCO TEAM is a website development firm. They are located in Yerevan, Armenia; Gyumri, Armenia and Mountain View, California and have a small team. Their services include Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more. The agency was established in 2016.Read More
Clients
Sparsis HoldingIndustries
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855$10,000+10 - 49 employeesIrvine, CAClouda Inc is a small e-commerce development company founded in 2018. Their team provides E-Commerce Development and Web Development.Read More
Clients
Stanley Engineered FasteningIndustries
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856$5,000+10 - 49 employeesSan Francisco, CAExponent Partners, a custom software development company, is located in San Francisco, California and Seattle, Washington. They offer Custom Software Development and CRM consulting and SI.Read More
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857Undisclosed10 - 49 employeesIrvine, CAStrativa is an IT strategy consulting company founded in 2000. The agency provides IT strategy consulting and Cybersecurity, and is small.Read More
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858Undisclosed10 - 49 employeesIrvine, CACAL2CAL Corporation is a software development firm. They were established in 1996 and offer Custom Software Development and Corporate Training & Coaching.Read More
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859Undisclosed10 - 49 employeesPleasanton, CACrestPoint Solutions, an IT managed services company, was founded in 2000. The team offers IT managed services and Custom Software Development.Read More
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860Undisclosed10 - 49 employeesAliso Viejo, CAAccutive is a Cybersecurity company based in Aliso Viejo, California and Vancouver, Canada. The team provides Cybersecurity and IT managed services.Read More
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861Undisclosed10 - 49 employeesSan Diego, CAEstablished in 2017, JopeConnect is a small big data company. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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862Undisclosed10 - 49 employeesMilpitas, CACrosslynx US LLC, a custom software development firm, is located in Milpitas, California. They offer Custom Software Development and Application Testing.Read More
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863Undisclosed10 - 49 employeesSunnyvale, CAFounded in 2005, Rapid Eagle Inc, a small custom software development company, is located in Sunnyvale, California. Their services include Custom Software Development and Business Consulting.Read More
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864$5,000+10 - 49 employeesAnaheim, CASoftUp Agency is an IT strategy consulting company launched in 2023. In Anaheim, California and Amsterdam, Netherlands, the team focuses on IT strategy consulting and Custom Software Development.Read More
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865$10,000+50 - 249 employeesSan Mateo, CAG360Technologies is a custom software development firm. Established in 2010, the team provides Custom Software Development, Generative AI, Application Testing, Application Management & Support, and more. Their midsize company is located in San Mateo, California and Montevideo, Uruguay.Read More
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866$10,000+50 - 249 employeesSan Francisco, CARead More
Novalab Tech is an app development firm. They focus on Mobile App Development, Custom Software Development, and Web Development and were launched in 2016. The company is headquartered in Falls Church, Virginia; New York, New York and San Francisco, California.
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867Undisclosed2 - 9 employeesLos Angeles, CAFrothlogic, a software development firm, offers Custom Software Development and Mobile App Development. The firm is located in Los Angeles, California.Read More
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868$1,000+10 - 49 employeesSan Jose, CATécrave is a small web development company. Founded in 2019, the team specializes in Web Development and Custom Software Development.Read More
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869Undisclosed50 - 249 employeesSan Francisco, CASiliconMint is a San Francisco, California-based software development firm. Launched in 2012, the team focuses on Custom Software Development and Web Development.Read More
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870$1,000+50 - 249 employeesLos Angeles, CAMadiff is an artificial intelligence company. Their midsize team is located in Warszawa, Poland; Braga, Portugal; Kraków, Poland and Los Angeles, California. The agency provides Artificial Intelligence, IT managed services, Custom Software Development, Blockchain, and more.Read More
Clients
AWP Polska SP. z o.o.Industries
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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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