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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$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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1231$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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1232Undisclosed2 - 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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1233Undisclosed2 - 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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1234Undisclosed2 - 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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1235$5,000+50 - 249 employeesSan Jose, CAIQlance Solutions LLC is a midsize custom software development company. The Toronto, Canada-based company was established in 2016. Their services include Custom Software Development, Mobile App Development, IT staff augmentation, Artificial Intelligence, and more.Read More
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1236$5,000+50 - 249 employeesSan Francisco, CABased in Bandung, Indonesia and San Francisco, California, GITS.ID is an AI development company. The midsize agency was founded in 2008. Their team specializes in Artificial Intelligence, Mobile App Development, Custom Software Development, cloud consulting & SI, and more.Read More
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1237$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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1238$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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1239$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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1240Undisclosed50 - 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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1241$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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1242Undisclosed10 - 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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1243Undisclosed10 - 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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1244Undisclosed10 - 49 employeesCorte Madera, CAApplication Testing company Critical Logic is headquartered in Corte Madera, California. Their services include Application Testing and Custom Software Development.Read More
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1245Undisclosed10 - 49 employeesTemecula, CALaunched in 1996, Umetech, Inc. Is a small IT strategy consulting company located in Temecula, California. Their team provides IT strategy consulting and cloud consulting & SI.Read More
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1246$5,000+50 - 249 employeesMountain View, CAKeyPoint Technologies is an user experience agency. They were founded in 2004 and provide UX/UI Design and Translation.Read More
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1247$1,000+2 - 9 employeesLos Angeles, CACodeger is a web design company founded in 2018. The team focuses on Web Design and Web Development and is headquartered in Delhi, India and Toronto, Canada.Read More
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1248$10,000+1,000 - 9,999 employeesMenlo Park, CATrantor Inc. Is an app development company launched in 2012. Their large team is located in Menlo Park, California; Chandigarh, India; Vancouver, Canada and Heredia, Costa Rica. Their services include Mobile App Development, Custom Software Development, Web Development, BI & big data consulting & SI, and more.Read More
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GenpactIndustries
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1249$5,000+2 - 9 employeesCarlsbad, CACode By Design is a website development company. Based in West Palm Beach, Florida and New York, New York, the team specializes in Web Development and E-Commerce Development.Read More
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1250$1,000+50 - 249 employeesHuntington Beach, CAAmbsan Technologies is a Karachi, Pakistan-based custom software development company. The team provides Custom Software Development and Mobile App Development.Read More
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1251$25,000+50 - 249 employeesAgoura Hills, CATechAhead is a midsize application development company based in Agoura Hills, California; Noida, India and Dubai, United Arab Emirates. They focus on Mobile App Development, Enterprise App Modernization, Artificial Intelligence, and Custom Software Development and were launched in 2009.Read More
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AXA University of Toronto Audi American ExpressIndustries
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1252$5,000+50 - 249 employeesSan Diego, CAApplication development firm Qodestar was established in 2022. They are based in Seattle, Washington; Nashville, Tennessee; New York, New York and Tampa, Florida and have a midsize team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Product Design, and more.Read More
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1253Undisclosed2 - 9 employeesFolsom, CAFounded in 2003, Sophus Consulting is a small IT strategy consulting company. Their services include IT strategy consulting and ECM consulting and SI.Read More
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1254$5,000+10 - 49 employeesPasadena, CAIn Akron, Ohio and Pasadena, California, ipsoCreative is a small custom software development company. Their services include Custom Software Development and Graphic Design.Read More
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1255$5,000+50 - 249 employeesSanta Clara, CARead More
A product engineering services company located in Indore, Madhya Pradesh, India, 47Billion works frequently with small businesses, middle-market companies, and enterprises. The company focuses on industries such as information technology, advertising, gaming, and consumer products and has 76 employees. Established in 2014, 47Billion specializes in BI & Big Data consulting, UX/UI design, mobile app development, and cloud consulting.
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CiscoIndustries
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1256Undisclosed250 - 999 employeesSan Diego, CAArtificial intelligence company Integrant, Inc. Is located in San Diego, California. They focus on Artificial Intelligence and Application Testing and were established in 1992.Read More
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1257$1,000+10 - 49 employeesSan Francisco, CARead More
Alternova is a software development studio based in Medellin, Colombia, with an office in San Francisco. The studio, founded in 2019, has a team of around 20 that provides custom software development, web design & development, AR/VR development, mobile app development, and e-commerce development services. Alternova serves enterprise and smaller-sized companies in the business services, gaming, real estate, and e-commerce industries.
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UCSFIndustries
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1258Undisclosed10 - 49 employeesSan Francisco, CAThe ID Co., a software development company, was launched in 2010. The small team focuses on Custom Software Development and IT managed services.Read More
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1259$10,000+10 - 49 employeesSan Francisco, CAUASOFTDEV is an AI Agents company. Launched in 2022, the team offers AI Agents, Custom Software Development, Artificial Intelligence, AR/VR development, and more. Their small firm is located in Brovary, Ukraine; Kyiv, Ukraine; Berlin, Germany and London, England.Read More
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1260$1,000+2 - 9 employeesSanta Clara, CAIn Santa Clara, California, Informatics Outsourcing is a Back Office Outsourcing company. They offer Back Office Outsourcing and Custom Software Development.Read More
Industries
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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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