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.
List of the Best California Software Developers
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$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
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$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
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1351Undisclosed10 - 49 employeesFremont, CAEncoding Enhancers is a small Fremont, California-based business intelligence company. Their services include BI & big data consulting & SI and Robotics Process Automation.Read More
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1352Undisclosed250 - 999 employeesLos Angeles, CASaguaro Technology, a cloud consulting & SI company, was established in 1999. The midsize team offers cloud consulting & SI and Custom Software Development.Read More
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1353$5,000+250 - 999 employeesSacramento, CARead More
Infograins Software Solutions is a midsize Blockchain company launched in 2011. Their team offers Blockchain, Artificial Intelligence, Custom Software Development, Mobile App Development, and more. The firm is headquartered in New York, New York; Indore, India; London, England and Barangaroo, Australia.
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1354$5,000+1,000 - 9,999 employeesEmeryville, CASeasia Infotech is a custom software development firm in Emeryville, California; Gordon, Australia; Sahibzada Ajit Singh Nagar, India and Edmonton, Canada. Established in 2000, the large team specializes in Custom Software Development, Web Development, Mobile App Development, UX/UI Design, and more.Read More
Clients
HDFC Bank Flipkart CDAC HouseJoyIndustries
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1355$25,000+250 - 999 employeesSan Francisco, CAInnovecs, a software development firm, is based in New York, New York; Kyiv, Ukraine; San Francisco, California and Tel Aviv-Jaffa, Israel. Launched in 2011, the midsize team offers Custom Software Development, DevOps Managed Services, BI & big data consulting & SI, cloud consulting & SI, and more.Read More
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SGNIndustries
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1356Undisclosed50 - 249 employeesMenlo Park, CAImpossible is a mobile app development company. They are headquartered in Lisboa, Portugal and London, England, and their services include Mobile App Development and UX/UI Design.Read More
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1357$10,000+1,000 - 9,999 employeesSanta Clara, CATao Digital Solutions, Inc. Is a large branding firm launched in 2022. Their services include Branding and Digital Strategy.Read More
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1358$10,000+250 - 999 employeesSan Francisco, CAMagenic is a software development firm. The company is based in St. Louis Park, Minnesota and San Francisco, California. Their team offers Custom Software Development and Mobile App Development.Read More
Clients
DeloitteIndustries
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1359Undisclosed10 - 49 employeesSunnyvale, CA360logica Software Testing Services is a Noida, India-based Application Testing company. The team provides Application Testing and Custom Software Development.Read More
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1360Undisclosed250 - 999 employeesSanta Clara, CAIn Santa Clara, California and Islamabad, Pakistan, Emumba is an UX design company. The team offers UX/UI Design and BI & big data consulting & SI.Read More
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1361Undisclosed50 - 249 employeesSan Jose, CAXebrium Inc, a midsize custom software development firm, is located in San Jose, California and Pune, India. Their services include Custom Software Development and Enterprise App Modernization.Read More
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1362Undisclosed50 - 249 employeesRamona, CAC3IT Solutions is a midsize Ramona, California-based AI firm. The team offers Artificial Intelligence and Robotics Process Automation.Read More
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1363Undisclosed1,000 - 9,999 employeesSan Jose, CABCT Consulting is a web design company. The team is based in Bengaluru, India and Natick, Massachusetts, and their services include Web Design and Web Development.Read More
Clients
OracleIndustries
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1364Undisclosed1,000 - 9,999 employeesSan Ramon, CANous Infosystems, an Application Testing company, was founded in 1996. The large team focuses on Application Testing and Custom Software Development.Read More
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1365Undisclosed250 - 999 employeesDublin, CABhavna Corp. Is a Noida, India-based application development firm. Their services include Mobile App Development and DevOps Managed Services.Read More
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