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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
Industries
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld 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.
Industries
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961Undisclosed10 - 49 employeesPasadena, CAQLess, Inc. Is a CRM consulting and SI company. Their small team of employees is headquartered in Pasadena, California. Their team focuses on CRM consulting and SI.Read More
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962Undisclosed250 - 999 employeesSan Diego, CAMitchell1 is a San Diego, California-based IT managed services company. They focus on IT managed services.Read More
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963Undisclosed2 - 9 employeesBrea, CAComputer Lab International is a cloud consulting & SI company. Based in Brea, California, the company was founded in 1988. Their services include cloud consulting & SI.Read More
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964Undisclosed2 - 9 employeesNewport Beach, CAVerb Technology Company, Inc. Is a CRM consulting and SI company based in Newport Beach, California. The team focuses on CRM consulting and SI.Read More
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965Undisclosed10 - 49 employeesRocklin, CAJ4 Systems is an IT managed services company. Their small team of employees is located in Rocklin, California. Their team offers IT managed services and Web Design.Read More
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966Undisclosed2 - 9 employeesSan Francisco, CAFounded in 2009, Wheelhouse Enterprises is a cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI.Read More
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967Undisclosed2 - 9 employeesAnaheim, CAIn Anaheim, California, Custom Tech Solutions is a small IT managed services company. The team offers IT managed services and IT strategy consulting.Read More
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968Undisclosed10 - 49 employeesCulver City, CAEnervee is a big data analytics company. In Culver City, California, their team provides BI & big data consulting & SI.Read More
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969Undisclosed2 - 9 employeesSan Jose, CALiveHive, Inc is a CRM consulting and SI company in San Jose, California. Established in 2011, the team provides CRM consulting and SI.Read More
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970Undisclosed10 - 49 employeesSan Francisco, CADataGrail is a CRM consulting and SI company. Their team is in San Francisco, California and provides CRM consulting and SI.Read More
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971Undisclosed2 - 9 employeesAntioch, CAIn the cloud IT is a small IT managed services company located in Antioch, California. Their services include IT managed services.Read More
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972Undisclosed2 - 9 employeesBrentwood, CAMy PC Partners is an IT managed services company. They offer IT managed services and were launched in 2000.Read More
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973Undisclosed2 - 9 employeesWalnut Creek, CASaratoga Computers, an IT managed services company, is located in Walnut Creek, California. They offer IT managed services and were launched in 2003.Read More
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974Undisclosed2 - 9 employeesAntioch, CASmall IT managed services company Computer Jockey, is headquartered in Antioch, California. The team provides IT managed services.Read More
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975Undisclosed2 - 9 employeesWalnut Creek, CAIT managed services company Heaton IT is in Walnut Creek, California. They specialize in IT managed services.Read More
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976Undisclosed2 - 9 employeesSan Jose, CATradebuilder, a cloud consulting & SI company, was launched in 2015. The agency provides cloud consulting & SI, and is small.Read More
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977Undisclosed50 - 249 employeesTracy, CASri Sys Inc., a big data analytics company, was established in 2005. They specializes in BI & big data consulting & SI and cloud consulting & SI.Read More
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978Undisclosed2 - 9 employeesHuntington Beach, CAPh-IT Solutions, an IT managed services company, was launched in 2000. Based in Huntington Beach, California, the team specializes in IT managed services and Search Engine Optimization.Read More
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979Undisclosed2 - 9 employeesBuena Park, CAFounded in 2013, Guardian Tech Force is an IT managed services company. Their services include IT managed services.Read More
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980Undisclosed2 - 9 employeesGarden Grove, CAManaged Net is an IT managed services company. The Garden Grove, California-based company offers IT managed services.Read More
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981Undisclosed2 - 9 employeesIrvine, CAWillenworks Technology Solutions is a small Irvine, California-based IT managed services company. Their services include IT managed services.Read More
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982Undisclosed2 - 9 employeesPlacentia, CA714support is a small IT managed services company founded in 2002. Their services include IT managed services.Read More
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983Undisclosed2 - 9 employeesTustin, CANeptune Consulting Group is an IT managed services company established in 1989. In Tustin, California, the team focuses on IT managed services and Web Design.Read More
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984Undisclosed50 - 249 employeesSan Francisco, CAFounded in 2007, Pardot is a CRM consulting and SI company. Located in San Francisco, California, the team focuses on CRM consulting and SI.Read More
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985Undisclosed50 - 249 employeesSan Francisco, CAMarin Software is an e-commerce development firm and IT managed services company established in 2006. Their team offers E-Commerce Development and IT managed services.Read More
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986Undisclosed50 - 249 employeesBerkeley, CANetwork Resource is an IT managed services company. Their midsize team is based in Berkeley, California. Their services include IT managed services and IT strategy consulting.Read More
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987Undisclosed10 - 49 employeesBerkeley, CAAlternative Technologies is a Berkeley, California-based IT managed services company. The team focuses on IT managed services and IT strategy consulting.Read More
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988Undisclosed10 - 49 employeesTurlock, CATelcion Communications Group is a small IT managed services company. They specialize in IT managed services and were established in 2002.Read More
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989Undisclosed10 - 49 employeesSunnyvale, CAIT managed services company PFU America, Inc. Is located in Sunnyvale, California. The team focuses on IT managed services.Read More
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990Undisclosed10 - 49 employeesSan Francisco, CAClarus Designs, an IT strategy consulting company, is in San Francisco, California. Their services include IT strategy consulting and Marketing Strategy.Read More
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Schedule ConsultationMost Reviewed IT Services Company in California
Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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