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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541$5,000+50 - 249 employeesSan Leandro, CAInternet Soft is a San Leandro, California-based SEO services firm. Founded in 2010, the midsize team provides search engine optimization, ux/ui design, custom software development, mobile app development, and more.Read More
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542$10,000+10 - 49 employeesSan Mateo, CAImaga ~ When UX & AI Both Matter is a website development firm. Their small team is headquartered in Dubai, United Arab Emirates; San Mateo, California and Porto, Portugal. The company offers Web Development, E-Commerce Development, Artificial Intelligence, Custom Software Development, and more.Read More
Clients
Mercedes-Benz DSC Information Technology is a UAE-based IT hardware supplier. Its catalog features 5,700+ SKUs available to customers worldwide Astana Motors is a leading Kazakh automotive company that distributes, manufactures, and sells vehicles. It was established in 1992, is part of the Astana Group holding, and serves as the official distributor for many major car brands like BMW and Toyota XDS-Astana Team. As of Oct 2025, XDS-Astana Team is ranked 4th in the Union Cycliste Internationale WorldTour. The team includes 46 racers from Italy, France, Denmark, and other countriesIndustries
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543Undisclosed10 - 49 employeesFolsom, CALEADconcept, a software development company, is located in Lahore, United Arab Emirates and Folsom, California. They focus on Custom Software Development and Graphic Design and were launched in 2003.Read More
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544$50,000+1,000 - 9,999 employeesSan Francisco, CAVention is an artificial intelligence firm. Founded in 2002, the company is based in New York, New York; London, England; Marietta, Georgia and San Francisco, California. The large team focuses on Artificial Intelligence, Custom Software Development, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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IBM PayPal pwc IC MarketsIndustries
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545$1,000+2 - 9 employeesFolsom, CALaunched in 2017, IGNITE LOGIX is a small software development firm. Their services include Custom Software Development and Web Development.Read More
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546$10,000+50 - 249 employeesSan Francisco, CASpiral Scout is an AI Agents company. They specialize in AI Agents, Artificial Intelligence, Custom Software Development, E-Commerce Development, and more and were founded in 2010. The company is in San Francisco, California; Warszawa, Poland and Charlotte, North Carolina.Read More
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547$1,000+2 - 9 employeesSan Bruno, CALocated in San Bruno, California, Ovalweb is a small software development company. Their services include Custom Software Development and Web Design.Read More
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548Undisclosed2 - 9 employeesLivermore, CAAvidZenith LLC, a software development company, provides Custom Software Development and API Development. The company is headquartered in Lynden, Washington and Livermore, California.Read More
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549$10,000+50 - 249 employeesTorrance, CAIT managed services company Axelliant was founded in 2019. The team provides IT managed services and Custom Software Development.Read More
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550$10,000+10 - 49 employeesSan Francisco, CATheBlockBox is a Blockchain company founded in 2018. Their team provides Blockchain and Custom Software Development.Read More
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551$50,000+50 - 249 employeesLos Angeles, CAIT staff augmentation company Elaniin was established in 2014. In Los Angeles, California; San Salvador, El Salvador and Ciudad de México, Mexico, their midsize team offers IT staff augmentation, Custom Software Development, Web Design, Mobile App Development, and more.Read More
Clients
Jostens PapaJohns The Northface 4MCIndustries
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552$5,000+10 - 49 employeesSanta Clara, CAFounded in 2012, Dynamicsoft Inc. Is a small Santa Clara, California-based software development firm. Their services include Custom Software Development and Mobile App Development.Read More
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553$25,000+10 - 49 employeesCampbell, CAANearShore Partner, an IT staff augmentation company, was founded in 2022. The team focuses on IT staff augmentation and Custom Software Development.Read More
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554$1,000+10 - 49 employeesLos Angeles, CAE-commerce development firm Coding Hub is in Los Angeles, California. They specialize in E-Commerce Development and Web Development and were founded in 2019.Read More
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555$50,000+2 - 9 employeesSan Francisco, CABitmatica, an user experience company, is located in San Francisco, California. They specialize in UX/UI Design and Web Design and were established in 2012.Read More
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556$5,000+10 - 49 employeesSan Francisco, CACloneAppz, a website development firm, was established in 2021. Their small team is based in San Francisco, California. Their services include Web Development, Mobile App Development, Custom Software Development, Other Application Development, and more.Read More
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557Undisclosed10 - 49 employeesFair Oaks, CALaunched in 2006, BG Software is a Cybersecurity company. The agency provides Cybersecurity and Custom Software Development.Read More
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558Undisclosed10 - 49 employeesSan Jose, CASN&N Electronics, Inc. Is a Product Design company. Their small team is headquartered in San Jose, California. Their services include Product Design and Engineering.Read More
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559$1,000+10 - 49 employeesDavis, CANobox Idea is a social media marketing firm. In Davis, California, the agency offers Social Media Marketing and Search Engine Optimization.Read More
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560$1,000+10 - 49 employeesWalnut Creek, CARooted Software, an IT managed services company, was launched in 2021. The team provides IT managed services and Custom Software Development and is based in Walnut Creek, California.Read More
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561Undisclosed10 - 49 employeesMountain View, CASaprIT is a CRM consulting and SI company based in Mountain View, California. Established in 2013, the small team offers CRM consulting and SI, ERP consulting and SI, Custom Software Development, and API Development.Read More
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562$1,000+10 - 49 employeesTorrance, CAAXIOM Consulting is a web design company. Their small team is headquartered in Torrance, California and specializes in Web Design and UX/UI Design. The firm was founded in 2021.Read More
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563$10,000+10 - 49 employeesOrange, CATechnosys Solutions, a software development firm, was established in 2006. The agency offers Custom Software Development and Web Development.Read More
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564$1,000+10 - 49 employeesSacramento, CACustom software development company Devyar - Creative Agency was founded in 2015. The team specializes in Custom Software Development and Web Development and is located in Sacramento, California.Read More
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565Undisclosed10 - 49 employeesSan Francisco, CACodeCones is a cloud consulting & SI company. Based in San Francisco, California, the company offers cloud consulting & SI and Custom Software Development.Read More
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566$10,000+10 - 49 employeesLos Angeles, CADreamViz Software Development LLC is an app development firm. They were established in 2012 and offer Mobile App Development and Blockchain.Read More
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567$1,000+2 - 9 employeesSacramento, CAWeb design company Innovate Work provides Web Design and UX/UI Design. They were established in 2023.Read More
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568$10,000+2 - 9 employeesSan Francisco, CAAbruptive Studios, a web design company, is headquartered in San Francisco, California. They offer Web Design and UX/UI Design.Read More
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569$1,000+10 - 49 employeesCarlsbad, CAE-commerce development company NEXTWERK Inc is based in Carlsbad, California. Established in 1996, the team offers E-Commerce Development and Custom Software Development.Read More
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570$25,000+10 - 49 employeesLos Angeles, CAVirtuzo Infosystem Pvt Ltd is a small mobile application development firm. Established in 2012, the team focuses on Mobile App Development and Web Development.Read More
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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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