Top 100 Software Development Companies in California
The Best of July 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.
List of the Best California Software Developers
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$10,000+10 - 49 employeesIrvine, CAKingsmen Digital Ventures, a software development company, is located in Irvine, California. The small team provides Custom Software Development, Mobile App Development, and UX/UI Design and was founded in 2017.Read More
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$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is a Medina, Washington-based UX agency. The small team focuses on UX/UI Design, Mobile App Development, Custom Software Development, Web Design, and more and was established in 2001.Read More
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271$1,000+50 - 249 employeesSacramento, CALaunched in 2018, Technupur is a midsize custom software development company. Their services include Custom Software Development and BI & big data consulting & SI.Read More
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272$75,000+50 - 249 employeesHuntington Beach, CAInfoMagnus is a software development firm. They are headquartered in Huntington Beach, California. Their team focuses on Custom Software Development and Business Consulting.Read More
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273$25,000+1,000 - 9,999 employeesSan Mateo, CAERP consulting and SI company LogiGear was established in 1994. The team focuses on ERP consulting and SI and Custom Software Development.Read More
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CommScopeIndustries
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274$1,000+2 - 9 employeesSan Diego, CARead More
Opel Labs is an application testing company. In San Diego, California, their small team specializes in application testing, IoT development, Artificial Intelligence, and custom software development. The agency was launched in 2020.
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275Undisclosed50 - 249 employeesSan Ramon, CAIn San Ramon, California, RChilli Inc is a midsize custom software development firm and artificial intelligence company. The team provides Custom Software Development and Artificial Intelligence.Read More
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276Undisclosed250 - 999 employeesLos Angeles, CAAce Infoway is a web development company. In Los Angeles, California, their team focuses on Web Development and Custom Software Development.Read More
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OSHOIndustries
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277$25,000+250 - 999 employeesPleasanton, CAAltoros is a midsize Blockchain company. Founded in 2001, the firm is based in Pleasanton, California; Buenos Aires, Argentina; Oslo, Norway and Helsinki, Finland. Their team offers Blockchain, Custom Software Development, Web Development, Enterprise App Modernization, and more.Read More
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AllstateIndustries
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278$5,000+10 - 49 employeesCarlsbad, CAIn Carlsbad, California, Reporteq is a custom software development company. The team specializes in Custom Software Development and AR/VR development.Read More
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279$10,000+10 - 49 employeesIrvine, CADevise Interactive is a software development firm established in 2014. Their team offers Custom Software Development and UX/UI Design.Read More
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280Undisclosed10 - 49 employeesPalo Alto, CAWeb3 Pro is a software development firm. In Palo Alto, California, their team provides Custom Software Development and Blockchain.Read More
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LamborghiniIndustries
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281$5,000+10 - 49 employeesLos Angeles, CADream Warrior Group is a custom software development company. Their team is based in Los Angeles, California and provides Custom Software Development and Conversion Optimization.Read More
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Disney ChannelIndustries
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282$25,000+10 - 49 employeesSan Jose, CARead More
Crea is a software development company. They offer custom software development, mobile app development, and api development and were launched in 2017. Their small team is San Jose, California-based.
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283$5,000+50 - 249 employeesSan Jose, CAWeb design company Infinix Designs is based in San Jose, California. Founded in 2019, the team specializes in Web Design and UX/UI Design.Read More
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Good Guard TexasIndustries
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284$1,000+10 - 49 employeesSacramento, CABased in Sacramento, California, Geekybugs is an user experience design company. They specialize in UX/UI Design and ERP consulting and SI and were founded in 2018.Read More
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285$5,000+10 - 49 employeesLos Angeles, CANS5 | Software Development Company is a software development company launched in 1999. The firm offers Custom Software Development and Web Development.Read More
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286$5,000+250 - 999 employeesCarlsbad, CASantex is a software development firm. Established in 1999, the firm offers Custom Software Development and IT staff augmentation.Read More
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287$25,000+50 - 249 employeesSan Diego, CANefter is a Guadalajara, Mexico-based IT staff augmentation company. They focus on IT staff augmentation, Artificial Intelligence, Custom Software Development, and Application Management & Support and were founded in 2014.Read More
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HolaDoctorIndustries
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288$5,000+2 - 9 employeesChino Hills, CAFounded in 2020, ProdCrowd AI is a custom software development firm. Their services include Custom Software Development and Artificial Intelligence.Read More
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289$5,000+10 - 49 employeesSanta Monica, CALaunched in 2017, Fenyx Studio is a mobile app development company. The small team specializes in Mobile App Development and Web Development.Read More
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290$25,000+10,000+ employeesSan Jose, CAGlobalLogic is a custom software development firm. The San Jose, California-based company focuses on Custom Software Development and UX/UI Design.Read More
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291$5,000+50 - 249 employeesFremont, CAElsner Technologies Pvt Ltd is a custom software development firm. The midsize Lakeland, California-based company was launched in 2006. Their services include Custom Software Development, E-Commerce Development, Search Engine Optimization, Web Development, and more.Read More
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Kidz StoreIndustries
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292$1,000+250 - 999 employeesSan Mateo, CAERP consulting and SI company Folio3 Agtech was established in 2005. The agency specializes in ERP consulting and SI and Custom Software Development.Read More
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293$1,000+50 - 249 employeesSan Mateo, CAFounded in 2015, Folio3 Digital Health is a software development company. The firm provides Custom Software Development and Web Development.Read More
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294$5,000+10 - 49 employeesSacramento, CAWebsite development company Rocket Systems was founded in 2018. The firm provides Web Development, Mobile App Development, E-Commerce Development, Custom Software Development, and more and has a small team. The firm is located in Sacramento, California and Yerevan, Armenia.Read More
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295$10,000+50 - 249 employeesLos Angeles, CASEROKELL is a Paris, France-based AI firm. The firm offers Artificial Intelligence, Custom Software Development, Blockchain, Web Development, and more and is midsize.The firm was established in 2015.Read More
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DisciplinaIndustries
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296$5,000+2 - 9 employeesFresno, CAJETS Tech., LLC is a custom software development company. Based in Fresno, California, the firm focuses on Custom Software Development and Web Development.Read More
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297$1,000+50 - 249 employeesSan Francisco, CAACCELQ is a branding company. The team is headquartered in San Francisco, California, and their services include Branding and Custom Software Development.Read More
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298Undisclosed50 - 249 employeesIrvine, CAMidsize custom software development firm Trusted Tech Team, is headquartered in Irvine, California. Their services include Custom Software Development and cloud consulting & SI.Read More
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299Undisclosed250 - 999 employeesSanta Clara, CARead More
Xekera Systems Inc. Is a Santa Clara, California-based software development company. The midsize team provides custom software development, other digital marketing, web development, Artificial Intelligence, and more and was founded in 2001.
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300$25,000+10 - 49 employeesSan Francisco, CAReinteractive is a software development company. The San Francisco, California-based team focuses on Custom Software Development and E-Commerce Development.Read More
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