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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751$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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752$5,000+10 - 49 employeesTemecula, CAAdvertising company Erostn focuses on Advertising and Branding. They were founded in 2021.Read More
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753$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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754$1,000+10 - 49 employeesLos Angeles, CAAdvertising company Custom Design Website provides Advertising and API Development. They are located in Los Angeles, California.Read More
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755Undisclosed50 - 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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756$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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757$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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758$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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759$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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760Undisclosed2 - 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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761Undisclosed2 - 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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762$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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763$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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764$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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765$1,000+2 - 9 employeesSouth San Francisco, CAGSD is a small cloud consulting & SI company established in 2023. Their team provides cloud consulting & SI and IT managed services.Read More
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766Undisclosed2 - 9 employeesLos Angeles, CAAmerican Web Nest is a software development company headquartered in Los Angeles, California and Los Angeles, California. They focus on Custom Software Development and UX/UI Design.Read More
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767Undisclosed10 - 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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768Undisclosed10 - 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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769Undisclosed10 - 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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770$25,000+50 - 249 employeesSan Francisco, CAInnovify is an AI Consulting company founded in 2011. The firm offers AI Consulting, Artificial Intelligence, Custom Software Development, Enterprise App Modernization, and more and has a midsize team.Read More
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ARM INCIndustries
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771$10,000+2 - 9 employeesLos Angeles, CARead More
Lucrum Labs is a mobile and web app development firm based in Los Angeles. Founded in 2019, their team of 5 serves small businesses in the advertising, entertainment, and education sectors. Services include iOS/Android, WordPress, React, JavaScript, and Unity development.
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ZyngaIndustries
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772$10,000+50 - 249 employeesSan Ramon, CAFounded in 2010, Netpace Inc. Is a software development company. Their midsize team is headquartered in San Ramon, California; Bengaluru, India; Kitchener, Canada and Evesham, New Jersey. Their team focuses on Custom Software Development, Artificial Intelligence, cloud consulting & SI, IT strategy consulting, and more.Read More
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773$10,000+250 - 999 employeesSan Francisco, CAFounded in 2012, SmartSmith Infotech is a midsize custom software development firm. Their team provides Custom Software Development and Web Development.Read More
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774$25,000+50 - 249 employeesSan Mateo, CARead More
NG Logic is a software company headquartered in Warsaw, Poland that specializes in mobile app and web development. Founded in 2003, the company has an additional office in Austin, Texas and has over 50 employees.
Clients
Digital Cheetach Perception Software ContractroomIndustries
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775$10,000+2 - 9 employeesSacramento, CAGlissando AI is a custom software development company in Sacramento, California. The small team offers Custom Software Development, Artificial Intelligence, AI Consulting, Generative AI, and more. The firm was established in 2022.Read More
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776$10,000+50 - 249 employeesBurbank, CABOSC Tech Labs Private Limited, an AI Consulting company, was founded in 2019. They are located in Gandhinagar, India and Burbank, California and have a midsize team. Their services include AI Consulting, Artificial Intelligence, Generative AI, AI Agents, and more.Read More
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777$10,000+10 - 49 employeesDublin, CAArtificial intelligence firm Bayshore Intelligence Solutions was established in 2019. The small team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, Mobile App Development, and more. The agency is based in Dublin, California and Kolkata, India.Read More
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778$10,000+2 - 9 employeesSan Francisco, CAEstablished in 2020, WeMakeMVP is a website development company. The small San Francisco, California-based team offers Web Development, UX/UI Design, Custom Software Development, Mobile App Development, and more.Read More
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779$10,000+2 - 9 employeesLong Beach, CACoremaitri Software, a small software development firm, is located in Long Beach, California and New Delhi, India. Their services include Custom Software Development and ERP consulting and SI.Read More
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780$25,000+50 - 249 employeesSan Francisco, CASynergy Labs is an app development firm. Their midsize team is in Hollywood, Florida; Miami, Florida; New York, New York and Dubai, United Arab Emirates and provides Mobile App Development, Custom Software Development, Artificial Intelligence, Generative AI, and more. The firm was launched in 2020.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
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