Top 100 Software Development Companies in California
The Best of March 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, CACustom software development company Kingsmen Digital Ventures is based in Irvine, California. The small team specializes in Custom Software Development, Mobile App Development, UX/UI Design, E-Commerce Development, and more and was launched in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is an artificial intelligence firm founded in 2001. Their small team is in Medina, Washington and offers Artificial Intelligence, UX/UI Design, AI Consulting, Custom Software Development, and more.Read More
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541Undisclosed2 - 9 employeesCosta Mesa, CACGIT LLC is a social media marketing agency. Based in Costa Mesa, California and Chittagong, Bangladesh, the agency was launched in 2006. Their team provides Social Media Marketing and Web Design.Read More
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542$1,000+2 - 9 employeesTulare, CAHeadquartered in Tulare, California, Kaweah Tech is a web design company. They specialize in Web Design and UX/UI Design.Read More
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543$1,000+2 - 9 employeesNewport Beach, CASEO agency OWRAY was founded in 2001. The small team offers Search Engine Optimization and Web Design.Read More
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544$10,000+2 - 9 employeesLos Angeles, CAAlgility is an artificial intelligence firm. The small team is headquartered in Los Angeles, California. Their services include Artificial Intelligence, Custom Software Development, Generative AI, and AI Consulting.Read More
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545$1,000+2 - 9 employeesRedwood City, CAAstiLabs Inc. Is a custom software development firm. Their team is based in Redwood City, California. The firm provides Custom Software Development and E-Commerce Development.Read More
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546$1,000+2 - 9 employeesSan Diego, CAStudioGoal is a custom software development firm launched in 2015. Their team specializes in Custom Software Development and Application Management & Support.Read More
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547$5,000+50 - 249 employeesSan Diego, CAIn Bikaner, India; San Diego, California; Durban, South Africa and Dammam, Saudi Arabia, iWebwiser is a web development company. The midsize firm was established in 2018. Their services include Web Development, Mobile App Development, Custom Software Development, Marketing Strategy, and more.Read More
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548$1,000+1,000 - 9,999 employeesRoseville, CARead More
Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.
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549$5,000+50 - 249 employeesWestlake Village, CAScreamingBox is an Other Application Development company. The company is based in Westlake Village, California. Their services include Other Application Development and Custom Software Development.Read More
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550$5,000+50 - 249 employeesPleasanton, CARead More
Custom software development firm Jaxel was launched in 2020. The midsize team provides custom software development, BI & big data consulting & SI, cloud consulting & SI, mobile app development, and more. The company is headquartered in Pleasanton, California.
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551Undisclosed10 - 49 employeesMenlo Park, CAFLYING COW DESIGN is a branding agency. They are located in Menlo Park, California, and their services include Branding and Web Design.Read More
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552$5,000+10 - 49 employeesSanta Monica, CASoftware development company v is based in Santa Monica, California. Their services include Custom Software Development and UX/UI Design.Read More
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553Undisclosed10 - 49 employeesCerritos, CAEztechstack is a cloud consulting & SI company. Located in Cerritos, California, their team focuses on cloud consulting & SI and Web Development.Read More
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554$1,000+10 - 49 employeesSan Jose, CAHeadquartered in San Jose, California, AppStealth is a small mobile application development company. Their services include Mobile App Development and Custom Software Development.Read More
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555Undisclosed10 - 49 employeesSan Francisco, CAWeb design agency EXR Systems LLC was founded in 2021. The company specializes in Web Design and Web Development, and is small.Read More
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556Undisclosed10 - 49 employeesSan Jose, CATrioSource is a cloud consulting & SI company based in San Jose, California and Los Angeles, California. They specialize in cloud consulting & SI and Custom Software Development.Read More
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557Undisclosed10 - 49 employeesMerced, CAGrow Jumbo LLC is a social media marketing agency. Launched in 2023, the team focuses on Social Media Marketing and Email Marketing. The company is in Merced, California.Read More
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558Undisclosed10 - 49 employeesSan Francisco, CAApprizm is a software development company. They are in and San Francisco, California. Their team focuses on Custom Software Development and Web Development.Read More
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559$1,000+10 - 49 employeesBerkeley, CAIDATTEC, an Other Marketing company, is based in Berkeley, California. They specialize in Other Marketing and Web Design.Read More
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560$50,000+10 - 49 employeesFremont, CAFounded in 2015, GHK Technologies Inc is a CRM consulting and SI company. The company specializes in CRM consulting and SI and ECM consulting and SI, and is small.Read More
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561$25,000+10 - 49 employeesBeverly Hills, CAINPoint, a cloud consulting & SI company, provides cloud consulting & SI and Cybersecurity. The firm is based in Beverly Hills, California and Anoka, Minnesota.Read More
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562$5,000+10 - 49 employeesFremont, CAReliova is a cloud consulting & SI company. The team specializes in cloud consulting & SI and Custom Software Development, and the company is located in Fremont, California.Read More
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563$10,000+10 - 49 employeesTustin, CAUser experience design agency Prizmstack was launched in 2019. The team offers UX/UI Design and IT strategy consulting and is in Tustin, California.Read More
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564$10,000+10 - 49 employeesSacramento, CALaunched in 2025, Corebackend is a small Sacramento, California-based IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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565$1,000+10 - 49 employeesLos Angeles, CAGalaxy Systems is a software development company. Their small team is headquartered in Los Angeles, California. Their services include Custom Software Development and Web Design.Read More
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566$1,000+10 - 49 employeesLos Angeles, CAZentexx is a Los Angeles, California-based web development firm. The small team offers Web Development, UX/UI Design, and Custom Software Development. The firm was launched in 2023.Read More
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567$1,000+10 - 49 employeesSanta Clara, CALordsOfCode is a mobile app development company. The Gurugram, India-based company was launched in 2019. Their team provides Mobile App Development and Web Development.Read More
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568$5,000+10 - 49 employeesHuntington Beach, CARipcord Digital Inc. Is a custom software development firm. Established in 2010, their team focuses on Custom Software Development and UX/UI Design.Read More
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569$1,000+10 - 49 employeesSan Francisco, CAZavod-IT is an AI company. Their small team is located in San Francisco, California. Their services include Artificial Intelligence and API Development.Read More
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570$50,000+10 - 49 employeesSan Francisco, CAKnife and Fox is a San Francisco, California-based branding firm. They focus on Branding and Web Design and were launched in 2014.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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