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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271$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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272$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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273$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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274$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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275$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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276$25,000+250 - 999 employeesLaguna Beach, CADatamam is a custom software development company. The firm is located in Laguna Beach, California. Their team focuses on Custom Software Development and Market Research.Read More
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277$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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278$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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279$5,000+10 - 49 employeesEl Segundo, CAEstablished in 2007, RealityMatters Inc., a small AR/VR development company, is based in El Segundo, California. Their team specializes in AR/VR development and Custom Software Development.Read More
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280$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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281$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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282Undisclosed50 - 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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283Undisclosed250 - 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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284$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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285Undisclosed50 - 249 employeesFremont, CASoftware development company SynergisticIT was established in 2010. The team offers Custom Software Development and is headquartered in Fremont, California.Read More
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286Undisclosed250 - 999 employeesIrvine, CABatchMaster Software, a custom software development company, provide Custom Software Development and cloud consulting & SI. They were founded in 1983.Read More
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287Undisclosed1,000 - 9,999 employeesSan Jose, CAAstreya is an IT strategy consulting company founded in 2001. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
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288$25,000+250 - 999 employeesSunnyvale, CAIn Sunnyvale, California and Hyderabad, India, KloudGin is a custom software development firm. They offer Custom Software Development and Application Management & Support.Read More
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289Undisclosed10 - 49 employeesIrvine, CAEstablished in 2017, Chiron IT is an Enterprise App Modernization company. Their team focuses on Enterprise App Modernization and IT managed services.Read More
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290$25,000+2 - 9 employeesThousand Oaks, CABuena Digital is a custom software development firm. The team provides Custom Software Development and Mobile App Development, and the agency is based in Thousand Oaks, California.Read More
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291$1,000+10 - 49 employeesLos Angeles, CAWink Ticker is a custom software development company. Launched in 2004, their team offers Custom Software Development.Read More
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292$10,000+250 - 999 employeesEl Segundo, CACustom software development firm Columbus Technologies and Services was launched in 2001. The firm provides Custom Software Development and IT managed services, and is midsize.Read More
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293Undisclosed10 - 49 employeesSan Jose, CAKonsulko Group, an IT strategy consulting and software development company, is in San Jose, California. Founded in 2012, the team offers IT strategy consulting and Custom Software Development.Read More
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294$10,000+50 - 249 employeesLos Angeles, CARead More
SEROKELL is an artificial intelligence development company. Their midsize team is in Paris, France; Los Angeles, California; Tel Aviv-Jaffa, Israel and New York, New York. The agency focuses on Artificial Intelligence, Blockchain, Custom Software Development, Web Development, and more.
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DisciplinaIndustries
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295$10,000+250 - 999 employeesLos Angeles, CAAQe Digital, a software development firm, is located in Los Angeles, California. The midsize firm was established in 1999. Their services include Custom Software Development, AI Consulting, BI & big data consulting & SI, and Web Development.Read More
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296Undisclosed50 - 249 employeesLos Angeles, CACustom software development company Principal Development Group Consulting is headquartered in Los Angeles, California. The team provides Custom Software Development.Read More
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297$250,000+250 - 999 employeesRancho Santa Fe, CAITJ is a custom software development firm in Rancho Santa Fe, California. They provide Custom Software Development.Read More
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298$1,000+2 - 9 employeesPleasanton, CABydrec Inc. Is a software development company launched in 2013. The company specializes in Custom Software Development and HR Consulting, and is small.Read More
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299Undisclosed10 - 49 employeesGlendora, CAEstablished in 2013, My Best Studio is a small software development company. Their team provides Custom Software Development and Web Design.Read More
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300$25,000+10 - 49 employeesBoston, MARead More
Echobind is a mobile app and web development consultancy whose services include code audits, custom training, and digital strategy. Based in Boston, MA with an office in Louisville, KY, this team of 2-10 creates digital products that inspire users and empower businesses.
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AxiosIndustries
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