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.
Jump to Most Reviewed Companies
List of the Best California Software Developers
-
$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
Industries
-
$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
Industries
-
1051$1,000+250 - 999 employeesDublin, CAHarbinger Group is an AI company. The Redmond, Washington-based team specializes in Artificial Intelligence and Custom Software Development.Read More
Industries
-
1052$25,000+10,000+ employeesLos Angeles, CAVXI Global Solutions Inc. Is a Customer Service Outsourcing company established in 1998. The company offers Customer Service Outsourcing and Call Center Services.Read More
Industries
-
1053$10,000+50 - 249 employeesSanta Monica, CAIT staff augmentation company Premiersoft was founded in 2011. The midsize Blumenau, Brazil-based team provides IT staff augmentation, Custom Software Development, and Mobile App Development.Read More
Industries
-
1054$5,000+250 - 999 employeesSan Francisco, CATal2k is an IT staff augmentation company. The midsize Mtaileb, Lebanon-based team specializes in IT staff augmentation and Custom Software Development. The company was established in 2022.Read More
Industries
-
1055Undisclosed2 - 9 employeesLos Angeles, CALaunched in 1999, Framework Solutions LLC is a software development company. The firm provides Custom Software Development and IT strategy consulting, and is small.Read More
-
1056Undisclosed2 - 9 employeesSan Diego, CALSI Consulting is a custom software development company founded in 1998. In San Diego, California, the team specializes in Custom Software Development and Public Relations.Read More
-
1057Undisclosed50 - 249 employeesLos Angeles, CASoftware development firm and Staffing company Commercial Programming Systems was launched in 1978. The midsize team focuses on Custom Software Development and Staffing.Read More
-
1058Undisclosed50 - 249 employeesLong Beach, CAMidsize custom software development firm MyKaarma, is in Long Beach, California. The team focuses on Custom Software Development and IT managed services.Read More
-
1059Undisclosed2 - 9 employeesPasadena, CAMighty Ant Data Works is a software development company. Launched in 1989, their team specializes in Custom Software Development.Read More
-
1060Undisclosed2 - 9 employeesWest Covina, CAAtlas Software Group is a custom software development company launched in 2005. The agency offers Custom Software Development and cloud consulting & SI.Read More
-
1061Undisclosed50 - 249 employeesSan Francisco, CACorona Labs is a San Francisco, California-based application development firm. They provide Mobile App Development and Custom Software Development and were founded in 2008.Read More
-
1062Undisclosed50 - 249 employeesOrange, CAEstablished in 2015, LMNTRIX is a midsize Orange, California-based custom software development firm. Their services include Custom Software Development and Cybersecurity.Read More
-
1063Undisclosed10 - 49 employeesSan Diego, CALaunched in 2017, Search Rebel LLC is a software development company. Headquartered in San Diego, California, the team specializes in Custom Software Development and BI & big data consulting & SI.Read More
-
1064$10,000+10 - 49 employeesSan Francisco, CAPhiBonacci AI is a software development firm established in 2021. The small team specializes in custom software development, AR/VR development, blockchain, corporate training & coaching, and more. The firm is in Ahmedabad, India and San Francisco, California.Read More
Clients
Wartsila Lenovo Qualcomm Jurong DigitalIndustries
-
1065$1,000+50 - 249 employeesSan Francisco, CAFounded in 2019, Hygge Software is an AI company. Their midsize team is in Warszawa, Poland; Tallinn, Estonia; San Francisco, California and London, England. Their team focuses on Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more.Read More
Clients
HeatedIndustries
-
1066$25,000+50 - 249 employeesSan Mateo, CADivami, a custom software development company, is in Hyderabad, India; San Mateo, California and Bengaluru, India. The agency focuses on Custom Software Development, UX/UI Design, Artificial Intelligence, Low/No Code Development, and more and has a midsize team.The agency was established in 2008.Read More
Clients
Google LLCIndustries
-
1067$5,000+250 - 999 employeesSanta Monica, CAE-commerce development company BSS Commerce is headquartered in Hanoi, Vietnam; Santa Monica, California; London, England and Singapore, Singapore. They focus on E-Commerce Development, IT strategy consulting, Web Development, Custom Software Development, and more and were established in 2012.Read More
Industries
-
1068$50,000+250 - 999 employeesMilpitas, CARead More
West Agile Labs is a software development and digital design company. The team is headquartered in San Francisco and has additional offices in Pakistan, Ukraine, and India. Founded in 2012, they currently employ over 120 professionals. West Agile Labs provides custom software development, e-commerce development, and mobile app development services.
Clients
UnationIndustries
-
1069$10,000+50 - 249 employeesPalo Alto, CADatamart is a midsize Palo Alto, California-based custom software development company. Their services include Custom Software Development and Web Development.Read More
-
1070$10,000+10 - 49 employeesSan Diego, CAIn San Diego, California, MJD Interactive is a web design agency. They offer Web Design and UX/UI Design.Read More
-
1071Undisclosed10 - 49 employeesPasadena, CAWeb design agency Upgrade Consulting focuses on Web Design and UX/UI Design. They were launched in 2023.Read More
-
1072Undisclosed1,000 - 9,999 employeesSan Mateo, CAHeinsohn, an IT staff augmentation company, was launched in 1977. The team offers IT staff augmentation and Custom Software Development.Read More
-
1073$10,000+50 - 249 employeesSan Jose, CARead More
Zone24x7 Inc. is a software and tech company based in San Jose, Calif. Founded in 2003, their team of over 50 experts provides IoT development, custom software development, and cloud consulting services for clients ranging from small startups to large corporations.
Clients
Macy’sIndustries
-
1074$5,000+10 - 49 employeesSan Jose, CAA-CX is a software development company. Based in San Jose, California and Vancouver, Canada, their team focuses on Custom Software Development and Artificial Intelligence.Read More
Industries
-
1075$50,000+50 - 249 employeesRedondo Beach, CALimestone Digital is a midsize Karlín, Czech Republic-based IT strategy consulting company. They specialize in IT strategy consulting, Web Development, IT staff augmentation, Custom Software Development, and more and were launched in 2016.Read More
Clients
Terravate LLCIndustries
-
1076$1,000+250 - 999 employeesSan Jose, CAFounded in 2015, InfoStride is an app development company. The firm focuses on Mobile App Development, Web Development, Web Design, Custom Software Development, and more and has a midsize team.Read More
Industries
-
1077$1,000+Freelancer employeesOrange, CATheron Digital is a web design company. In Orange, California, the team focuses on Web Design and Custom Software Development.Read More
-
1078Undisclosed2 - 9 employeesSan Francisco, CAExecutive Intelligence is an AI Consulting company. Their small team is in San Francisco, California and provides AI Consulting and Artificial Intelligence. The company was established in 2026.Read More
-
1079$5,000+2 - 9 employeesFremont, CANavaris Digital, a cloud consulting & SI company, was launched in 2016. The team offers cloud consulting & SI and IT managed services and is headquartered in Bengaluru, India and Fremont, California.Read More
Industries
-
1080Undisclosed2 - 9 employeesSouth Lake Tahoe, CACustom software development company Demajh Inc was launched in 2020. The small team specializes in Custom Software Development and Artificial Intelligence.Read More
Featured providers
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed Software Developers in California
Check out a Software Developers in California with the most new reviews in the past 12 months.
Most Reviewed
Software Developers
California
- 11 8 new reviews
- 12 7 new reviews
- 13 7 new reviews
- 14 6 new reviews
- 15 6 new reviews
