Top 100 IT Services Companies in California
The Best of December 2025Looking 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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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
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151$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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152Undisclosed2 - 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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153$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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154$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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155$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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156Undisclosed250 - 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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157$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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158$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 -
159$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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160Undisclosed10 - 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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161Undisclosed2 - 9 employeesFoster City, CAIT Total Care is an IT managed services company. Founded in 2001, the small firm is based in Foster City, California. Their services include IT managed services, Cybersecurity, and cloud consulting & SI.Read More
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162$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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163Undisclosed10 - 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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164Undisclosed10 - 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 -
165Undisclosed10 - 49 employeesLos Angeles, CAInfonetworks is an IT strategy consulting company established in 2018. Their small team is located in Los Angeles, California and offers IT strategy consulting, unified communications consulting & SI, Cybersecurity, and IT managed services.Read More
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166$100,000+10 - 49 employeesSan Diego, CARead More
Seamgen is a San Diego, Calif.-based development firm established in 2008. It has a team of about 50 that does mobile app development, web development, UI/UX design, and custom software development.
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MedImpact, -
167$1,000+2 - 9 employeesLaguna Beach, CARead More
Established in 2022, Salesautomators is a CRM consulting and SI company. They are headquartered in Laguna Beach, California and have a small team. The company offers CRM consulting and SI, IT strategy consulting, other IT consulting and SI, business consulting, and more.
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168Undisclosed50 - 249 employeesPleasanton, CAMidsize cybersecurity company SafeAeon, is located in Pleasanton, California. They focus on cybersecurity and were launched in 2019.Read More
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169$1,000+10 - 49 employeesPasadena, CARead More
AllSafe IT is an IT services, consulting, and IT support firm based in Los Angeles. The firm, founded in 2016, has a team of more than 20 that provides cybersecurity and IT managed services to small and mid-market companies and organizations in various industries that includes manufacturing, nonprofit, and retail.
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MINIIndustries
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170$1,000+10 - 49 employeesTustin, CABurgi Technologies, an IT managed services company, was founded in 2015. Headquartered in Tustin, California; Rancho Cucamonga, California; Seattle, Washington and Phoenix, Arizona, their small team provides IT managed services, cloud consulting & SI, Cybersecurity, IT strategy consulting, and more.Read More
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HyundaiIndustries
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171$1,000+10 - 49 employeesGold River, CARead More
ABSO Technologies, Inc. Is a small IT managed services company in Gold River, California. Launched in 2021, the team offers IT managed services, other IT consulting and SI, cybersecurity, IT staff augmentation, and more.
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172$5,000+50 - 249 employeesFremont, CAIT strategy consulting company Silicon Networks was founded in 2020. They are located in Fremont, California; Dubai, United Arab Emirates and Hamburg, Germany and have a midsize team. Their services include IT strategy consulting, IT staff augmentation, cloud consulting & SI, custom software development, and more.Read More
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173$1,000+2 - 9 employeesAnaheim, CARead More
Lightbulb Networks is a managed IT company based in Anaheim, Calif. The company, founded in 2015, has a team of less than ten that provides IT managed services, IT strategy consulting, and cybersecurity to small and midmarket companies in the IT, business services, and other industries.
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Big Rig Collision CenterIndustries
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174$1,000+2 - 9 employeesWestminster, CARead More
Vlux Designs is a web design company. They are headquartered in Westminster, California and have a small team. Their services include web design, web development, ux/ui design, custom software development, and more.
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175$25,000+250 - 999 employeesSan Jose, CARead More
VOLANSYS Technologies is a product realization and digital transformation company based in Ahmedabad, India, and founded in 2008. Their team of more than 350 employees specializes in IoT development, cloud consulting, and mobile app development.
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176$5,000+50 - 249 employeesSan Francisco, CARead More
Based in San Francisco, California, AllCode is a cloud consulting & SI company. The agency specializes in cloud consulting & SI, Custom Software Development, Web Development, UX/UI Design, and more and is midsize.The agency was founded in 2015.
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TwilioIndustries
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177$5,000+2 - 9 employeesMission Viejo, CARead More
Calibec is a small custom software development firm. Founded in 2021, the team offers custom software development, web development, mobile app development, enterprise app modernization, and more. The agency is located in Mission Viejo, California.
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178$5,000+2 - 9 employeesLos Angeles, CARead More
Cloud7 is a Los Angeles-based cloud tech company founded in 2105 with over two members. They specialize in cloud consulting, big data consulting, and IT managed services for small and medium-sized businesses alike.
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179$1,000+2 - 9 employeesIrvine, CARead More
Ayvant IT Services is a small CRM consulting and SI company. They offer CRM consulting and SI, IT managed services, cybersecurity, IT strategy consulting, and more and were founded in 2012. The agency is based in Irvine, California.
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180$1,000+2 - 9 employeesPasadena, CABlissVector Tech is a cybersecurity and IT managed services company in Pasadena, California. They provide cybersecurity and IT managed services and were launched in 2019.Read More
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