Top 100 Software Development Companies in California
The Best of July 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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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a software development company, is located in Irvine, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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721$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
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722$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
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723Undisclosed10 - 49 employeesHighland, CABranding company Website Boulevard focuses on Branding and Web Design. They were founded in 2018.Read More
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724$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
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725Undisclosed10 - 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
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726$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
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727$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
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728$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
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729$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
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730$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
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731$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
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732$10,000+10 - 49 employeesRoseville, CAFounded in 2023, WebVello is an AI firm. The team offers Artificial Intelligence and Search Engine Optimization.Read More
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733$1,000+10 - 49 employeesSan Francisco, CAWeb development firm volansaquilae was established in 2017. The company focuses on Web Development and Application Management & Support.Read More
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734$5,000+10 - 49 employeesTemecula, CAAdvertising company Erostn focuses on Advertising and Branding. They were founded in 2021.Read More
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735$10,000+10 - 49 employeesNapa, CAOther IT consulting and SI company Four Dragons was launched in 2025. The team focuses on other IT consulting and SI and IT managed services.Read More
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736Undisclosed50 - 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
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737$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
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738$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
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739$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
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740$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
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741$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
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742Undisclosed2 - 9 employeesSan Diego, CAHit Autopilot is a CRM consulting and SI company. They offer CRM consulting and SI and Custom Software Development and are headquartered in San Diego, California.Read More
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743Undisclosed2 - 9 employeesSan Diego, CAAI development company Flash Computing was founded in 2022. The company specializes in Artificial Intelligence, AI Consulting, Custom Software Development, and Mobile App Development and has a small team.Read More
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744$1,000+2 - 9 employeesAnaheim, CAElevasis is a small AI Consulting company launched in 2023. Their team offers AI Consulting and AI Agents.Read More
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745$5,000+2 - 9 employeesCulver City, CASmall artificial intelligence company BlackSig Systems, is headquartered in Culver City, California. The team specializes in Artificial Intelligence and AI Consulting.Read More
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746$1,000+2 - 9 employeesFairfax, CAMarin AI Implementations And Training is a small AI Consulting company established in 2025. Their team specializes in AI Consulting and AI Agents.Read More
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747Undisclosed10 - 49 employeesNapa, CAEstablished in 1990, SyMed Corporation is a Business Consulting company. The small team focuses on Business Consulting and Custom Software Development.Read More
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748Undisclosed10 - 49 employeesPasadena, CAJada Systems is a Pasadena, California-based custom software development company. Launched in 2000, the team offers Custom Software Development and Application Management & Support.Read More
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749Undisclosed10 - 49 employeesFresno, CAMertech Data Systems, Inc. Is a small custom software development firm based in Pembroke Pines, Florida and Fresno, California. The team offers Custom Software Development and cloud consulting & SI.Read More
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750$25,000+50 - 249 employeesSan Francisco, CAInnovify is an artificial intelligence development company. Founded in 2011, the midsize agency is located in London, England; San Francisco, California; Austin, California and New York, New York. Their services include Artificial Intelligence, AI Consulting, Custom Software Development, IT strategy consulting, and more.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
Software Developers
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- 12 9 new reviews
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