Top 100 Software Development Companies in California
The Best of March 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, CACustom software development company Kingsmen Digital Ventures is based in Irvine, California. The small team specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more and was launched in 2017.Read More
Industries
-
$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is an artificial intelligence firm founded in 2001. Their small team is in Medina, Washington and offers Artificial Intelligence, UX/UI Design, AI Consulting, Custom Software Development, and more.Read More
Industries
-
661$1,000+10 - 49 employeesSan Diego, CARead More
Girolabs is a custom software development company headquartered in Asunción, Paraguay. The firm offers custom software development, e-commerce development, mobile app development, web design, and more and has a small team.The firm was launched in 2013.
Industries
-
662Undisclosed2 - 9 employeesLancaster, CASimulations Plus is a custom software development firm and IT managed services company. Their team is based in Lancaster, California and offers Custom Software Development and IT managed services.Read More
-
663Undisclosed2 - 9 employeesModesto, CAFounded in 2008, External Resources, Inc. Is a small Modesto, California-based custom software development company. Their services include Custom Software Development and Web Development.Read More
-
664Undisclosed2 - 9 employeesTemecula, CASirene Solutions is a Temecula, California-based custom software development firm. Founded in 2016, the team specializes in Custom Software Development and Corporate Training & Coaching.Read More
-
665Undisclosed2 - 9 employeesEl Segundo, CALaunched in 2009, Ginisis Group Inc. Is a software development firm and Business Consulting company. The team focuses on Custom Software Development and Business Consulting.Read More
-
666Undisclosed2 - 9 employeesPasadena, CALaunched in 2020, Elxo Inc. Is a software development company. The team specializes in Custom Software Development and Low/No Code Development.Read More
-
667$5,000+50 - 249 employeesSan Diego, CAWeb design company UPQODE was founded in 2015. Located in Nashville, Tennessee; New York, New York; Tampa, Florida and Seattle, Washington, their midsize team specializes in Web Design, Web Development, UX/UI Design, Custom Software Development, and more.Read More
Clients
Gracenote - Entertainment ProvidersIndustries
-
668$10,000+10 - 49 employeesLos Angeles, CARead More
Beyond Enterprizes, a small blockchain company, is headquartered in Los Angeles, California; Cluj-Napoca, Romania and București, Romania. They offer blockchain, business consulting, IT strategy consulting, custom software development, and more and were established in 2012.
Industries
-
669$1,000+2 - 9 employeesLos Angeles, CAGamut Dev is an user experience design agency launched in 2010. The firm offers UX/UI Design and Web Design.Read More
Industries
-
670$5,000+1,000 - 9,999 employeesSan Francisco, CAFrog, an user experience company, was established in 1969. The team focuses on UX/UI Design and Product Design.Read More
Clients
RevlIndustries
-
671$1,000+10 - 49 employeesBeverly Hills, CA360intersys is a branding company. Headquartered in Beverly Hills, California and Beverly Hills, California, their small team provides branding, ux/ui design, graphic design, logo, and more. The agency was established in 2024.Read More
-
672$1,000+10 - 49 employeesPasadena, CATechnology Spree is a Business Consulting company. The team focuses on Business Consulting and Custom Software Development, and the agency is located in Kolkata, India and Pasadena, California.Read More
Industries
-
673$250,000+10 - 49 employeesIrvine, CAVitru AI Consulting, an AI development company, was established in 2020. The small team specializes in Artificial Intelligence and Custom Software Development.Read More
Industries
-
674$5,000+10 - 49 employeesWalnut Creek, CAMobile application development firm Cros Apps was established in 2019. Located in Walnut Creek, California, the team provides Mobile App Development and Web Development.Read More
-
675Undisclosed10 - 49 employeesHighland, CABranding company Website Boulevard focuses on Branding and Web Design. They were founded in 2018.Read More
-
676$10,000+10 - 49 employeesSan Francisco, CAHi no code, a website development firm, was established in 2021. The team offers Web Development and Custom Software Development and is located in San Francisco, California.Read More
-
677Undisclosed10 - 49 employeesSan Jose, CALaunched in 2020, Western Web Studios is a small social media marketing agency. Their team specializes in Social Media Marketing and Search Engine Optimization.Read More
-
678$1,000+10 - 49 employeesIrvine, CAWebsite development firm fyby.io was founded in 2020. The agency specializes in Web Development and E-Commerce Development.Read More
-
679$5,000+10 - 49 employeesSacramento, CAXLyncs is a software development firm. They are in Sacramento, California and Lahore, Pakistan, and their services include Custom Software Development and Mobile App Development.Read More
-
680$1,000+10 - 49 employeesRancho Cucamonga, CAGENIUSBOTS is a Cybersecurity company. Established in 2023, the team offers Cybersecurity and Content Marketing. The agency is headquartered in Rancho Cucamonga, California.Read More
-
681$1,000+10 - 49 employeesModesto, CACode N Design Studios is a Direct Marketing company. They were launched in 2020 and provide Direct Marketing and Social Media Marketing.Read More
Industries
-
682$10,000+10 - 49 employeesRedlands, CAUSDevBrokers is a Redlands, California-based website development firm. They specialize in Web Development and Mobile App Development.Read More
-
683$50,000+10 - 49 employeesLos Angeles, CAMetastability Inc is a custom software development company. The team focuses on Custom Software Development and Mobile App Development, and the firm is in Los Angeles, California.Read More
-
684$10,000+10 - 49 employeesRoseville, CAFounded in 2023, WebVello is an AI firm. The team offers Artificial Intelligence and Search Engine Optimization.Read More
-
685Undisclosed50 - 249 employeesSan Jose, CACAXTEK is a custom software development firm. The team is headquartered in San Jose, California, and their services include Custom Software Development and Application Testing.Read More
Industries
-
686$10,000+50 - 249 employeesBurbank, CABOSC Tech Labs Private Limited is an artificial intelligence development company. Their midsize team is located in Gandhinagar, India and Burbank, California. Their services include Artificial Intelligence, Custom Software Development, AI Agents, Generative AI, and more. The firm was founded in 2019.Read More
Industries
-
687$25,000+250 - 999 employeesNewport Beach, CAEstablished in 2007, Technossus is a cloud consulting & SI company. The company specializes in cloud consulting & SI and Custom Software Development.Read More
Industries
-
688$50,000+250 - 999 employeesSanta Clara, CAMethod is a midsize UX agency. They specialize in UX/UI Design, Custom Software Development, Digital Strategy, Mobile App Development, and more and were launched in 1999. The agency is located in New York, New York; London, England; Santa Clara, California and Charlotte, North Carolina.Read More
Industries
-
689$10,000+2 - 9 employeesIrvine, CANovizant is a cloud consulting & SI company. Their team is in Irvine, California and specializes in cloud consulting & SI and IoT development.Read More
-
690$5,000+2 - 9 employeesSan Francisco, CAGuru Labs is a San Francisco, California-based Blockchain company. They focus on Blockchain and Custom Software Development and were launched in 2021.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 12 new reviews
- 12 12 new reviews
- 13 10 new reviews
- 14 9 new reviews
- 15 9 new reviews
