Top 100 Software Development Companies in California
The Best of December 2025Looking 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 is a software development firm. Their small team is located in Irvine, California. The firm specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more.Read More
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$25,000+10 - 49 employeesMedina, WAFlower Press Interactive is a small user experience agency launched in 2001. Their team offers UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more. The company is located in Medina, Washington.Read More
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$10,000+10 - 49 employeesJohannesburg, South AfricaRead More
Mobile application development firm CubeZoo was established in 2011. In Johannesburg, South Africa and London, England, their small team specializes in Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more.
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1051Undisclosed2 - 9 employeesLos Gatos, CASmall user experience agency Aionis, is located in Los Gatos, California. Their services include UX/UI Design and Custom Software Development.Read More
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1052Undisclosed2 - 9 employeesSan Diego, CAEscape is a Blockchain company. Headquartered in San Diego, California, the firm was established in 2023. Their team provides Blockchain and UX/UI Design.Read More
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1053Undisclosed2 - 9 employeesSan Diego, CA8People, Inc. Is a small data analytics company. They provide BI & big data consulting & SI and cloud consulting & SI and were established in 2017.Read More
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1054Undisclosed2 - 9 employeesSan Diego, CALaunched in 1999, San Diego Computer Consulting is a small San Diego, California-based IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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1055Undisclosed2 - 9 employeesSacramento, CAClowd, an IT strategy consulting company, is in Sacramento, California. Their services include IT strategy consulting and Artificial Intelligence.Read More
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1056$25,000+10 - 49 employeesLos Angeles, CASpring2 Technologies, a custom software development company, offers Custom Software Development and CRM consulting and SI. The firm is headquartered in Sandy, Utah and Los Angeles, California.Read More
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1057$50,000+50 - 249 employeesCulver City, CARead More
Tech Fabric is an IT services company based in Gilbert, Ariz. Founded in 2017, this company has 28 employees. Services offered by Tech Fabric include e-commerce, custom software development, cloud development, UI/UX design, and mobile app development.
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K&L Wine MerchantsIndustries
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1058Undisclosed50 - 249 employeesSanta Clara, CASATech Digital is a software development company. The Santa Clara, California-based team focuses on Custom Software Development and Enterprise App Modernization.Read More
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1059$10,000+50 - 249 employeesCupertino, CAHikesiya USA Inc. Is a midsize custom software development company launched in 2001. Their services include Custom Software Development and ERP consulting and SI.Read More
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1060$5,000+10,000+ employeesSan Francisco, CAGlobant is a large web development firm. They offer Web Development and Custom Software Development and were founded in 2003.Read More
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1061$25,000+250 - 999 employeesNewark, CAArgusoft is a software development firm. They offer Custom Software Development, Mobile App Development, Web Development, Enterprise App Modernization, and more and were established in 2001. Their midsize team is based in Newark, California and Gandhinagar, India.Read More
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World Health Organization (WHO)Industries
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1062$25,000+250 - 999 employeesPleasanton, CASoftware development firm Talentica Software was launched in 2003. The company provides Custom Software Development, Artificial Intelligence, Generative AI, Low/No Code Development, and more and has a midsize team.Read More
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Mist Systems (Juniper Company) Amplify Rupeek TalentpoolIndustries
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1063$1,000+2 - 9 employeesSacramento, CAJerrax is a web development firm. Launched in 2019, the team provides Web Development and Graphic Design. The firm is based in Lahore, Pakistan and Sacramento, California.Read More
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1064Undisclosed2 - 9 employeesLa Verne, CAPremier Computer Consulting, a small Business Consulting company, is in La Verne, California. Their services include Business Consulting and Custom Software Development.Read More
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1065Undisclosed2 - 9 employeesFolsom, CAFounded in 2003, SOURCiS, Inc., a small web design company, is headquartered in Folsom, California. Their services include Web Design and Web Development.Read More
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1066$100,000+10 - 49 employeesFolsom, CAFounded in 2018, Flexday Solutions LLC is a small Naperville, Illinois-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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1067$1,000+1,000 - 9,999 employeesSan Francisco, CAProtiviti is a big data company founded in 2002. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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1068Undisclosed10 - 49 employeesHayward, CALaunched in 2006, Global Tech Studio is a small Hayward, California-based software development company. Their team offers Custom Software Development and IT managed services.Read More
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1069Undisclosed10 - 49 employeesEl Cajon, CAHeadquartered in El Cajon, California, BioSoft Integrators is an IT strategy consulting company. The team offers IT strategy consulting and IT managed services.Read More
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1070Undisclosed10 - 49 employeesSan Francisco, CASoftware Next Door is a software development firm. The team focuses on Custom Software Development and Mobile App Development and is headquartered in San Francisco, California.Read More
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1071$10,000+50 - 249 employeesTracy, CATravancore Analytics is a cloud consulting & SI company. They offer cloud consulting & SI, Mobile App Development, AR/VR development, IoT development, and more and were established in 2007. Their midsize team is Tracy, California-based.Read More
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1072$25,000+50 - 249 employeesSan Francisco, CARead More
SmartCat is a big data boutique consultancy firm based in Novi Sad, Serbia, with an office in San Francisco. Founded in 2015, SmartCat's team of about 85 employees provides BI/SI & big data consulting, AI, and cloud consulting services primarily for mid-market businesses.
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1073$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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1074$1,000+50 - 249 employeesSan Francisco, CABased in San Francisco, California, Karma Infotech is a midsize Back Office Outsourcing company. Their services include Back Office Outsourcing and Custom Software Development.Read More
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1075Undisclosed50 - 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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1076Undisclosed50 - 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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1077$10,000+10 - 49 employeesSan Jose, CALocated in San Jose, California and Vancouver, Canada, A-CX is a Cybersecurity company. They focus on Cybersecurity and Custom Software Development and were launched in 2020.Read More
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1078$25,000+1,000 - 9,999 employeesLos Angeles, CASimform is a cloud consulting & SI company. They are headquartered in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California and have a large team that specializes in cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more. The agency was established in 2010.Read More
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RedbullIndustries
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1079$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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1080$10,000+250 - 999 employeesSan Francisco, CAGeekyAnts is a Bengaluru, India-based custom software development firm. The midsize team provides Custom Software Development, Mobile App Development, Web Development, Artificial Intelligence, and more. The firm was launched in 2006.Read More
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Siveco Romania Olive Garden Darden KhataBookIndustries
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