Top 100 IT Services Companies in California
The Best of September 2026Looking for a top IT services company in California?
For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition.
To assist you in your search for a partner, we’ve compiled this list of the top IT consultants in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California IT Companies
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151Undisclosed2 - 9 employeesMission Viejo, CANysa Technology is a small Cybersecurity company. Founded in 2023, the firm is located in Mission Viejo, California. Their team specializes in Cybersecurity, IT strategy consulting, and IT managed services.Read More
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152$75,000+250 - 999 employeesSan Francisco, CARead More
Traction is a full-service marketing agency located in San Francisco. With a team of nearly 250 employees, Traction provides web design, advertising, UI/UX design, and branding services to enterprise and midmarket clients.
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AppleIndustries
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153$1,000+50 - 249 employeesSouth San Francisco, CARead More
Aston Technologies is a midsize IT staff augmentation company. The Minneapolis, Minnesota-based firm was founded in 2001. Their services include IT staff augmentation and IT managed services.
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154$5,000+10 - 49 employeesLos Angeles, CARead More
DCG Technical Solutions, Inc is an IT services company founded in 1993 and located in Los Angeles. With a team of fewer than 50 employees, they provide IT managed services and cloud consulting services to clients in the manufacturing, financial services, and business services industries.
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Iconic InvestmentsIndustries
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155$1,000+10 - 49 employeesCity of Industry, CAASi-Networks is a City of Industry, California-based Cybersecurity company. The small firm was established in 1998. Their services include Cybersecurity, IT managed services, IT strategy consulting, cloud consulting & SI, and more.Read More
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156Undisclosed10,000+ employeesAliso Viejo, CAUST is an Aliso Viejo, California-based market research company. The firm specializes in market research, other IT consulting and SI, enterprise app modernization, application testing, and more and is large.The firm was established in 1999.Read More
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157Undisclosed2 - 9 employeesLos Angeles, CAHeadquartered in Los Angeles, California, DevSignal is an IT staff augmentation company. The small firm was founded in 2023. Their team offers IT staff augmentation, Staffing, Recruiting, IT managed services, and more.Read More
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158Undisclosed2 - 9 employeesSan Francisco, CAVicert, a other IT consulting and SI company, was established in 2000. Their small team is in San Francisco, California. Their services include other IT consulting and SI and IT managed services.Read More
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159$1,000+10 - 49 employeesSan Francisco, CABay Computing Group is a San Francisco, California-based IT strategy consulting company. The small team provides IT strategy consulting, cloud consulting & SI, Cybersecurity, and IT managed services and was founded in 1999.Read More
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160$50,000+10 - 49 employeesSan Francisco, CARead More
Go Nimbly is a technical consulting firm founded in 2013. Headquartered in San Francisco, Calif., Go Nimbly's approximately 20 employees specialize in CRM consulting and SI, custom software development, and UX/UI design. The client appreciated Go Nimbly's comprehensive documentation, which enabled them to track the progress of integration and development up until deployment.
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Twilio -
161$1,000+10 - 49 employeesRocklin, CAIntegral Networks is a small IT managed services company. Founded in 2004, the agency is headquartered in Rocklin, California. Their team offers IT managed services.Read More
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162Undisclosed250 - 999 employeesSan Ramon, CASensiba LLP is a midsize Accounting company. Headquartered in San Ramon, California; Bend, Oregon; Fresno, California and San Jose, California, the firm was launched in 1977. Their team specializes in Accounting, Cybersecurity, Finance & Accounting Outsourcing (FAO), Business Consulting, and more.Read More
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163$5,000+10 - 49 employeesMountain View, CATuple Tech is a small IT managed services company. Launched in 2017, the team specializes in IT managed services, Web Development, cloud consulting & SI, Cybersecurity, and more. The agency is in Demarest, New Jersey and Mountain View, California.Read More
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164$5,000+10 - 49 employeesCosta Mesa, CARead More
KMicro Tech, Inc. is an IT services company based in Costa Mesa, Calif. The company, founded in 2014, has more than 40 employees that provide, among others, IT managed services as well as cybersecurity, cloud consulting & SI services to small and midmarket companies and institutions.
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SoftchoiceIndustries
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165$1,000+10 - 49 employeesPasadena, CAIT managed services company AdviseTech is based in Pasadena, California. The small team focuses on IT managed services, cloud consulting & SI, and Cybersecurity. The company was founded in 1998.Read More
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166$1,000+10 - 49 employeesCarlsbad, CARead More
Reel Axis is a marketing agency based in Carlsbad, Calif., and founded in 2018 with more than 10 employees. They offer marketing strategy, social media marketing, and content marketing solutions for clients ranging from startups to large firms.
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167Undisclosed2 - 9 employeesPenn Valley, CARead More
SP Marketplace is a software development company based in Penn Valley, Calif., with another office in Sacramento, Calif. Founded in 2012, SP Marketplace specializes in providing custom software development, application development, and application management services to IT companies and nonprofits.
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Coconino CountyIndustries
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168$5,000+50 - 249 employeesEl Dorado Hills, CARead More
UniWebb Software is a mobile and web development company based in Elk Grove, CA and was founded in 2011. UniWebb has a small team of fewer than five employees that focuses on providing mobile app development, web development, and custom software development services, exclusively to small businesses.
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BaierIndustries
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169$10,000+2 - 9 employeesNewport Beach, CARead More
Life Elixir is a consultancy based in Newport Beach, Calif. with over two employees. Founded in 2015, they offer business consulting, big data consulting, and other design solutions for clients that work in the industries of health care, government, and IT services.
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Clinitraq IncIndustries
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170$1,000+2 - 9 employeesSan Diego, CANetwork Antics LLC is an IT managed services company. Launched in 2011, the small agency is headquartered in San Diego, California. Their team offers IT managed services, API Development, E-Commerce Development, Cybersecurity, and more.Read More
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171$50,000+2 - 9 employeesSan Jose, CARead More
InfoGuard Cyber Security is a cybersecurity firm founded in San Jose, Calif. in 2004. With more than two professionals, they offer cybersecurity solutions to clients ranging from small companies to large enterprises.
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BBVA BankIndustries
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172$10,000+10 - 49 employeesSanta Monica, CARead More
Founded in 2005, Invemo is a tech company headquartered in Santa Monica with another location in IST, Turkey. Their team of 4 provide mobile app development, UX/UI design, IT strategy, and app modernization services to clients.
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Invemo created innovative solutions for Philips -
173$5,000+10 - 49 employeesLos Angeles, CABoom Logic is an IT managed services company established in 2008. The company focuses on IT managed services, Cybersecurity, cloud consulting & SI, and unified communications consulting & SI and has a small team.Read More
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174$5,000+10 - 49 employeesSan Diego, CARead More
Digital marketing agency Digitopia was founded in 2004. With headquarters in Carlsbad, Calif., they have a team of 11. They specialize in digital strategy, content marketing, and conversion optimization.
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175Undisclosed10 - 49 employeesLos Angeles, CARead More
Founded in 2010, Frontline, LLC - Managed IT Services and IT Support is an IT managed services company. Located in Los Angeles, California, their small team specializes in IT managed services, IT strategy consulting, and IT staff augmentation.
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176$10,000+50 - 249 employeesSan Diego, CARead More
Based in San Diego, Calif., PINT, Inc. is a full-service development firm. Founded in 1994, they have about 45 employees that specialize in web development, web design, custom software development, and UX/UI design. The firm mainly works with clients in the healthcare field.
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CooperVisionIndustries
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177Undisclosed10 - 49 employeesSanta Rosa, CARead More
Digicom Healthcare Solutions is an IT firm based in Santa Rosa, Calif. Their team of less than 50 focuses primarily on medical clients. Services include IT Strategy consulting.
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True NorthIndustries
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178Undisclosed10 - 49 employeesSan Rafael, CARead More
Verus Technology Solutions, Inc. is an IT firm based in San Rafael, Calif. with over 10 employees. Founded in 2001, they specialize in IT managed services, custom software development, and IT strategy consulting solutions for various clients.
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MCM Wealth -
179Undisclosed250 - 999 employeesSan Francisco, CAHTEC Group is a big data company. They are located in San Francisco, California and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, IT managed services, IT strategy consulting, and more. The agency was founded in 2008.Read More
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180Undisclosed2 - 9 employeesTehachapi, CAHeadquartered in Tehachapi, California, Golden Hills IT LLC is an IT managed services company. The small team focuses on IT managed services, Cybersecurity, and IT strategy consulting. The firm was established in 2020.Read More
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