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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1171$25,000+50 - 249 employeesSan Francisco, CASmartCat is an AI development company. The midsize team is based in Novi Sad, Serbia and San Francisco, California. Their services include Artificial Intelligence, Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, and more.Read More
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1172$10,000+250 - 999 employeesCarlsbad, CAA3Logics Inc. Is a midsize IT strategy consulting company. Founded in 2003, the firm is located in Carlsbad, California; Jaipur, India and Singapore, Singapore. Their services include IT strategy consulting, Custom Software Development, Mobile App Development, IT managed services, and more.Read More
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AVATAR FloridaIndustries
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1173$10,000+10 - 49 employeesLos Angeles, CA3s Global Business Solutions is a Los Angeles, California-based IT staff augmentation company. The team focuses on IT staff augmentation and Custom Software Development.Read More
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1174Undisclosed50 - 249 employeesFremont, CAShiksha Infotech Pvt. Ltd. Is a midsize business intelligence company headquartered in Fremont, California. Their services include BI & big data consulting & SI and ERP consulting and SI.Read More
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1175Undisclosed50 - 249 employeesFolsom, CAFounded in 2001, Introlligent is an IT strategy consulting company. The midsize team focuses on IT strategy consulting and IT managed services.Read More
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1176$25,000+1,000 - 9,999 employeesLos Angeles, CASimform is a cloud consulting & SI company. Founded in 2010, the agency is in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California. The large team specializes in cloud consulting & SI, Artificial Intelligence, Custom Software Development, Enterprise App Modernization, and more.Read More
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RedbullIndustries
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1177$10,000+50 - 249 employeesSan Francisco, CAFusion Informatics Limited is an artificial intelligence company. The midsize team is located in Ahmedabad, India; Bengaluru, India; San Francisco, California and Dubai, United Arab Emirates. Their services include Artificial Intelligence, Custom Software Development, Web Development, Mobile App Development, and more.Read More
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BoschIndustries
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1178Undisclosed10 - 49 employeesFolsom, CAIMG Advisors LLC is an IT strategy consulting company. Launched in 2008, the company focuses on IT strategy consulting and BI & big data consulting & SI.Read More
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1179$100,000+250 - 999 employeesMilpitas, CARysun Labs Inc. Is a big data company. The midsize Milpitas, California-based company was launched in 2001. Their team offers BI & big data consulting & SI, cloud consulting & SI, IT managed services, Custom Software Development, and more.Read More
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KonfluenceIndustries
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1180$10,000+250 - 999 employeesSan Francisco, CALocated in San Francisco, California; Bengaluru, India and London, England, GeekyAnts is a mobile application development firm. They focus on Mobile App Development, Custom Software Development, Web Development, Artificial Intelligence, and more and were established in 2006.Read More
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Siveco Romania Olive Garden Darden KhataBookIndustries
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1181$5,000+50 - 249 employeesSanta Rosa, CARead More
GeneXus Consulting is corporate software development company based in Montevideo, Uruguay, with an additional location in Santa Rosa, Calif. Founded in 1988, the team of nearly 110 provides web, mobile app, and custom software development, enterprise app modernization, and application testing services.
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BPSIndustries
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1182$10,000+10 - 49 employeesSan Jose, CAArastu Systems is an IoT development company. The agency is in San Jose, California and Ahmedabad, India. Their team provides IoT development and Enterprise App Modernization.Read More
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1183Undisclosed10 - 49 employeesSan Mateo, CALaunched in 2018, ZealoTech People is an user experience company. Headquartered in San Mateo, California and Nashik, India, the team specializes in UX/UI Design and Custom Software Development.Read More
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1184$5,000+50 - 249 employeesWest Hollywood, CANuvem Group is a cloud consulting & SI company founded in 2015. Headquartered in Miami, Florida and London, England, the team focuses on cloud consulting & SI and Custom Software Development.Read More
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1185$50,000+250 - 999 employeesPalo Alto, CARead More
Waverley Software is a software engineering company headquartered in Palo Alto, Calif. It also has offices in Boston, Kharkiv, Ukraine, Lviv, Ukraine, and Ho Chi Minh, Vietnam. Founded in 1992, Waverley's team of over 80 employees mainly provides midmarket brands around the world with custom software development, mobile app development, and IoT development services.
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Mozilla Seagate Yale AbbotIndustries
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1186$5,000+10 - 49 employeesSan Diego, CALabKey is a small software development company located in Seattle, Washington and San Diego, California. The team offers Custom Software Development and cloud consulting & SI.Read More
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MITIndustries
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1187$5,000+2 - 9 employeesSan Jose, CAWeb design company Rasteroids Design was launched in 2000. The team offers Web Design and Custom Software Development and is headquartered in San Jose, California.Read More
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1188Undisclosed2 - 9 employeesDowney, CALatino Graphics, a custom software development company, was established in 2011. They provides Custom Software Development and Graphic Design.Read More
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1189Undisclosed2 - 9 employeesLos Angeles, CAFounded in 2015, Tharatech LLC is a custom software development firm. The team focuses on Custom Software Development and Application Management & Support.Read More
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1190Undisclosed2 - 9 employeesLos Angeles, CALaunched in 2021, One River Consulting Inc, a small software development company, is headquartered in Los Angeles, California. Their team offers Custom Software Development and Web Development.Read More
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1191$10,000+10 - 49 employeesSan Jose, CAA-CX is a Cybersecurity company based in San Jose, California and Vancouver, Canada. Launched in 2020, the team offers Cybersecurity and Custom Software Development.Read More
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1192$25,000+50 - 249 employeesSanta Monica, CAHeadquartered in Santa Monica, California; Zaporizhzhia, Ukraine and Kyiv, Ukraine, IT-Dimension Inc. Is a web development company. The midsize team offers Web Development, Mobile App Development, UX/UI Design, Application Testing, and more and was founded in 2007.Read More
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1193$5,000+50 - 249 employeesSan Francisco, CAGITS Indonesia is a midsize cloud consulting & SI company. Based in Bandung, Indonesia, the firm was founded in 2010. Their team focuses on cloud consulting & SI, mobile app development, custom software development, and web development.Read More
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1194$10,000+250 - 999 employeesPalo Alto, CAAVROX Solutions, a custom software development firm, was founded in 2015. Their midsize team is based in Oaklands Park, Australia; Rawalpindi, Pakistan and Palo Alto, California. The agency focuses on custom software development, web development, web design, ux/ui design, and more.Read More
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1195$250,000+250 - 999 employeesSan Francisco, CACode and Theory is a Digital Strategy company. The midsize New York, New York-based team offers Digital Strategy and Web Design. The company was launched in 2001.Read More
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1196$1,000+10 - 49 employeesSanta Clara, CAAI Agents company ZAAG SYSTEMS is located in Dhaka, Bangladesh and Santa Clara, California. The small team specializes in AI Agents, Artificial Intelligence, E-Commerce Development, Mobile App Development, and more and was launched in 2020.Read More
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1197Undisclosed50 - 249 employeesFremont, CAPETADATA is a software development company. They are in Fremont, California and Hyderabad, India and have midsize team. They offer Custom Software Development and Back Office Outsourcing.Read More
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1198$10,000+10 - 49 employeesFremont, CAFounded in 2012, The Awesome Game Studio is an AR/VR development company. Their team offers AR/VR development and Custom Software Development.Read More
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1199Undisclosed10 - 49 employeesIrvine, CAUX design company Avente, Inc. Was founded in 2017. The firm specializes in UX/UI Design and IT managed services, and is small.Read More
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1200Undisclosed10 - 49 employeesRoseville, CAFounded in 2009, Pacific Data Integrators is a business intelligence company. In Roseville, California, the team offers BI & big data consulting & SI and cloud consulting & SI.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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