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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661$1,000+2 - 9 employeesLos Angeles, CAEstablished in 2024, JustCRM is a small Los Angeles, California-based CRM consulting and SI company. Their services include CRM consulting and SI and BI & big data consulting & SI.Read More
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662$1,000+2 - 9 employeesBeverly Hills, CAFounded in 2025, Lecobyte is a SEO services firm. Their services include Search Engine Optimization and Web Design.Read More
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663$25,000+2 - 9 employeesOrange, CACercaLabs Incorporated is a Robotics Process Automation company. Founded in 2008, their team provides Robotics Process Automation and IT staff augmentation.Read More
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664$1,000+2 - 9 employeesBurbank, CAWebsite development firm Webstream Digital is based in Burbank, California. Established in 2017, the team provides Web Development and Custom Software Development.Read More
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665Undisclosed2 - 9 employeesIrvine, CAKare Information Technologies is a software development company established in 2026. The team offers Custom Software Development and Web Development.Read More
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666$5,000+2 - 9 employeesBerkeley, CACardon, a small AI company, is located in Berkeley, California. The team provides Artificial Intelligence and AI Consulting.Read More
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667$25,000+50 - 249 employeesNewport Beach, CATechFlex Development, a midsize web development firm, is located in Newport Beach, California. The team provides Web Development and Mobile App Development.Read More
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668$5,000+50 - 249 employeesLong Beach, CAWeb design company Grow Tech Solution is in Long Beach, California. Established in 1994, the team focuses on Web Design and Web Development.Read More
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669Undisclosed50 - 249 employeesPalo Alto, CADataTerrain is a big data analytics company. The midsize Palo Alto, California-based team focuses on BI & big data consulting & SI and IT managed services. The firm was launched in 2009.Read More
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670$5,000+10 - 49 employeesAgoura Hills, CAActive Ennovations is a custom software development company based in Agoura Hills, California. They focus on Custom Software Development and Web Development and were founded in 2004.Read More
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671$10,000+10 - 49 employeesSanta Barbara, CAWorldViz, a software development firm and AR/VR development company, is located in Santa Barbara, California. The team specializes in Custom Software Development and AR/VR development.Read More
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672$5,000+1,000 - 9,999 employeesSan Jose, CASymbio is an IT strategy consulting company. The San Jose, California-based firm was established in 1994. Their services include IT strategy consulting and cloud consulting & SI.Read More
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673Undisclosed10 - 49 employeesLos Angeles, CALinkedge is a custom software development company and application development firm. Their team is based in Los Angeles, California and provides Custom Software Development and Mobile App Development.Read More
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674Undisclosed10 - 49 employeesTorrance, CAAdvanced Technology Consultants, a custom software development company and Business Consulting company, focus on Custom Software Development and Business Consulting. They were founded in 2006.Read More
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675Undisclosed2 - 9 employeesFresno, CALaunched in 2007, Lotpath, a small software development company, is headquartered in Fresno, California. Their services include Custom Software Development and AR/VR development.Read More
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676Undisclosed250 - 999 employeesVentura, CAVSolvit, a custom software development firm, was established in 2006. The agency provides Custom Software Development and Cybersecurity, and is midsize.Read More
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677Undisclosed10 - 49 employeesManteca, CAIn Manteca, California, ExtendAg: A Cultura Company is a small custom software development company. Their services include Custom Software Development.Read More
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678Undisclosed2 - 9 employeesNapa, CAThe AIS Group, a custom software development company, was launched in 1995. Headquartered in Napa, California, the team specializes in Custom Software Development and ERP consulting and SI.Read More
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679Undisclosed50 - 249 employeesTorrance, CABQE Software is a custom software development firm located in Torrance, California. The team provides Custom Software Development.Read More
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680Undisclosed250 - 999 employeesAgoura Hills, CAMidsize software development firm and Business Consulting company Infospectrum Inc., is in Agoura Hills, California. The team specializes in Custom Software Development and Business Consulting.Read More
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681Undisclosed50 - 249 employeesOrange, CAMSM - Medical Specialties Managers, Inc. Is an Orange, California-based custom software development company. They focus on Custom Software Development and Business Consulting.Read More
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682Undisclosed2 - 9 employeesIrvine, CAImmunant is a software development firm. Launched in 2014, the firm is based in Irvine, California. Their services include Custom Software Development.Read More
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683Undisclosed50 - 249 employeesIrvine, CALaunched in 2006, OrangePeople is a custom software development company. The team specializes in Custom Software Development and BI & big data consulting & SI.Read More
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684Undisclosed10 - 49 employeesCampbell, CAMaris Consulting Group℠, a custom software development firm, was founded in 2016. They specializes in Custom Software Development and IT staff augmentation.Read More
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685Undisclosed250 - 999 employeesManhattan Beach, CALaunched in 2013, Qvest.US is a midsize IT managed services company. Their team provides IT managed services and Custom Software Development.Read More
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686Undisclosed250 - 999 employeesSan Francisco, CAIn San Francisco, California and New York, New York, Quantcast is a pay per click company. Their services include Pay Per Click and Custom Software Development.Read More
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687Undisclosed50 - 249 employeesCupertino, CASoftsmith is an Application Testing company in Cupertino, California. Their services include Application Testing and Custom Software Development.Read More
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688Undisclosed10 - 49 employeesOakland, CASoftware development firm and Application Testing company npm, Inc. Is based in Oakland, California. The team specializes in Custom Software Development and Application Testing.Read More
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689$5,000+2 - 9 employeesFresno, CALikeitsolutions is a Karachi, Pakistan-based web development company. They provide Web Development and Mobile App Development and were established in 2019.Read More
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690$5,000+2 - 9 employeesLos Angeles, CASC Tech is a web design company. Headquartered in Los Angeles, California, the team offers Web Design and Web Development.Read More
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Check out a Software Developers in California with the most new reviews in the past 12 months.
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