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.
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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1021$10,000+10 - 49 employeesMission Viejo, CARead More
ConsultingWhiz is an app and software development agency located in Mission Viejo, Calif. Founded in 2016, it has more than 25 employees who specialize in mobile app development, custom software development, and AI. They mainly serve enterprise and midmarket clients in industries such as financial services, health care & medical, and energy & natural resources.
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HyundaiIndustries
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1022Undisclosed10 - 49 employeesUnion City, CAClatter Chatter Inc is a social media marketing agency established in 2013. Their services include Social Media Marketing and Pay Per Click.Read More
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1023Undisclosed10 - 49 employeesSan Jose, CAHiTech ERP Solutions Inc is a cloud consulting & SI company. Based in San Jose, California, the team provides cloud consulting & SI and ERP consulting and SI.Read More
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1024Undisclosed10 - 49 employeesPalo Alto, CAContrast DesignWorks, LLC is a branding company. Their team is located in Palo Alto, California. The company offers Branding and Email Marketing.Read More
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1025Undisclosed10 - 49 employeesWoodland, CAVarkasa Inc is an Application Testing company based in Woodland, California. Their services include Application Testing and IT strategy consulting.Read More
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1026Undisclosed10 - 49 employeesSacramento, CAFounded in 2000, MME Consulting, Inc. Is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.Read More
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1027Undisclosed10 - 49 employeesSacramento, CACPSC Solutions LLC is an IT strategy consulting company. The team provides IT strategy consulting and Business Consulting and is located in Sacramento, California.Read More
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1028Undisclosed10 - 49 employeesSan Ramon, CACidersoft is a web design company. The San Ramon, California-based team provides Web Design and UX/UI Design.Read More
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1029Undisclosed250 - 999 employeesPalo Alto, CAServiceRocket is an IT managed services company founded in 2001. The midsize team provides IT managed services and IT strategy consulting.Read More
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1030Undisclosed2 - 9 employeesSan Jose, CAPENSEMOS S.A. Is a small Bogotá, Colombia-based ERP consulting and SI and custom software development firm. The team specializes in ERP consulting and SI and Custom Software Development.Read More
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1031$10,000+10 - 49 employeesIrvine, CASocial media marketing firm Digital Innovation Group was launched in 2005. The agency focuses on Social Media Marketing and Pay Per Click.Read More
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1032Undisclosed50 - 249 employeesIrvine, CAFounded in 2016, Purple Drive Technologies is an user experience agency. The agency provides UX/UI Design and cloud consulting & SI, and is midsize.Read More
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1033$1,000+50 - 249 employeesOak Park, CAWeb development firm iPraxa Inc is in Oak Park, California and Noida, India. Their services include Web Development and Mobile App Development.Read More
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1034$25,000+250 - 999 employeesIrvine, CARead More
Link Development is a custom software development firm. Established in 1996, the firm is based in Irvine, California. The midsize team provides custom software development, enterprise app modernization, BI & big data consulting & SI, cloud consulting & SI, and more.
Clients
Ikea KSAIndustries
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1035Undisclosed10 - 49 employeesSan Diego, CALocated in San Diego, California, International Institute for Software Testing is a small Application Testing company. Their services include Application Testing and Custom Software Development.Read More
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1036$5,000+50 - 249 employeesSanta Clara, CABorqs is an UX agency. Launched in 2007, the firm is headquartered in Santa Clara, California and Beijing, China. Their services include UX/UI Design and Custom Software Development.Read More
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1037Undisclosed50 - 249 employeesLake Forest, CAAR/VR development company SimInsights was launched in 2009. The company provides AR/VR development and Custom Software Development.Read More
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1038UndisclosedFreelancer employeesVista, CAFounded in 2024, Aurelius Solutions is a custom software development company and API Development company. The team offers Custom Software Development and API Development.Read More
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1039Undisclosed50 - 249 employeesWalnut Creek, CAASD Global-Public Sector is a software development firm in Walnut Creek, California. They specialize in Custom Software Development and ERP consulting and SI.Read More
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1040Undisclosed10 - 49 employeesSan Francisco, CARivi is an user experience design agency founded in 2017. Their team provides UX/UI Design and Product Design.Read More
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1041$100,000+50 - 249 employeesCerritos, CAIntelliMedia Networks is a web development company established in 2011. The team provides Web Development and Mobile App Development and is based in Cerritos, California and Ahmedabad, India.Read More
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1042$75,000+10 - 49 employeesSunnyvale, CAChordify Management Consultants LLC is an IT staff augmentation company founded in 2007. Their team specializes in IT staff augmentation and IT strategy consulting.Read More
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1043$25,000+50 - 249 employeesSan Jose, CARead More
Based in Hyderabad, India; San Jose, California and Perkasie, Pennsylvania, Tech Vedika Software Pvt Ltd is a midsize cloud consulting & SI and IT managed services company. Established in 2010, the team provides cloud consulting & SI and IT managed services.
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1044$5,000+2 - 9 employeesSimi Valley, CAISOOSI Marketing Agency is a graphic design agency based in Naples, Florida and Simi Valley, California. They offer Graphic Design and Mobile & App Marketing and were founded in 2002.Read More
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1045Undisclosed2 - 9 employeesIrvine, CAFounded in 1980, Endeavor Agency, a small Commercial Brokerage Services company, is headquartered in Irvine, California. Their team offers Commercial Brokerage Services and Commercial Development.Read More
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1046Undisclosed2 - 9 employeesIrvine, CALayerCake Marketing is an Irvine, California-based branding firm. Their services include Branding and Video Production.Read More
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1047$1,000+2 - 9 employeesSan Diego, CARead More
Excl Networks, a web design company, is located in San Diego, California. The small company was founded in 2016. Their team specializes in web design, web development, custom software development, advertising, and more.
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1048Undisclosed2 - 9 employeesMarina del Rey, CALaunched in 2020, Aegis Studio, a small Blockchain Marketing company, is located in Marina del Rey, California. Their services include Blockchain Marketing and Blockchain.Read More
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1049Undisclosed2 - 9 employeesTorrance, CAPiladya is an application development company founded in 2021. The team offers Mobile App Development and Blockchain.Read More
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1050Undisclosed2 - 9 employeesSan Francisco, CALocated in San Francisco, California, SyCo Media Inc. Is a small social media marketing company. Their services include Social Media Marketing and Email Marketing.Read More
Industries
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