Top 100 IT Services Companies in California
The Best of April 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.
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List of the Best California IT Companies
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481$5,000+10 - 49 employeesRedwood City, CAGreenM is an AI firm established in 2014. Their services include Artificial Intelligence and BI & big data consulting & SI.Read More
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482$25,000+50 - 249 employeesSan Francisco, CAIntuitech, a Digital Strategy company, is headquartered in Budapest, Hungary and San Francisco, California. The team provides Digital Strategy and Custom Software Development.Read More
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483$1,000+2 - 9 employeesLa Mesa, CABased in La Mesa, California and San José, Costa Rica, Andes Edge Consulting is a Digital Strategy company. The company offers Digital Strategy, IT strategy consulting, Artificial Intelligence, Business Consulting, and more and is small.The company was established in 2025.Read More
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484$25,000+250 - 999 employeesFremont, CAAdvanced Hospitality Technologies is an IT managed services company. The Fremont, California-based firm was founded in 2011. Their team offers IT managed services.Read More
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485$5,000+10 - 49 employeesSan Francisco, CALaunched in 2009, Centarus | IT Support & Managed IT Services is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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486$5,000+2 - 9 employeesThousand Oaks, CARock Solid Technology Solutions is an IT managed services company. The company is located in Thousand Oaks, California. Their services include IT managed services and other IT consulting and SI.Read More
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487$5,000+10 - 49 employeesLos Angeles, CALaunched in 2000, Xperts Unlimited Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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488$10,000+10 - 49 employeesSan Francisco, CAZen Cloud Technologies is a CRM consulting and SI company. They are in San Francisco, California. Their team provides CRM consulting and SI.Read More
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489$1,000+2 - 9 employeesArcadia, CAAlliant Technology Group is a small IT managed services company in Arcadia, California. Their services include IT managed services.Read More
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490Undisclosed10 - 49 employeesEl Dorado Hills, CAEstablished in 2007, COMERIT, INC. Is a small El Dorado Hills, California-based data analytics company. Their services include BI & big data consulting & SI and IT strategy consulting.Read More
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491Undisclosed10 - 49 employeesSan Diego, CASmall IT managed services company SpotLink, is in San Diego, California and San Marcos, California. Their services include IT managed services and IT strategy consulting.Read More
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492Undisclosed10 - 49 employeesSan Francisco, CAFounded in 1987, Langtech is a small IT managed services company. Their services include IT managed services and Custom Software Development.Read More
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493$1,000+10 - 49 employeesLos Angeles, CAM-Theory Group is a cloud consulting & SI company located in Los Angeles, California. Founded in 1998, the team specializes in cloud consulting & SI and IT managed services.Read More
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494Undisclosed10 - 49 employeesSan Diego, CAFusion Factor Corporation is a Cybersecurity company. Their small team is based in San Diego, California and Carlsbad, California. Their team offers Cybersecurity and cloud consulting & SI.Read More
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495$1,000+2 - 9 employeesRoseville, CASalient IT, an IT managed services company, is in Roseville, California. They offer IT managed services and IT strategy consulting and were launched in 2011.Read More
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496Undisclosed10 - 49 employeesStockton, CACrown Enterprises is an IT managed services company. They were founded in 2009 and specialize in IT managed services and IT strategy consulting.Read More
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497Undisclosed10 - 49 employeesWalnut Creek, CAIT managed services company Coleman IT Group, Inc. Is in Walnut Creek, California. They offer IT managed services and were launched in 2001.Read More
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498Undisclosed2 - 9 employeesLodi, CAEstablished in 2002, EZ Network Systems, Inc. Is a small Lodi, California-based IT managed services company. Their team specializes in IT managed services.Read More
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499$5,000+10 - 49 employeesStockton, CAIT strategy consulting company Verve IT was launched in 2006. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
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500$1,000+2 - 9 employeesSanta Fe Springs, CAIn Santa Fe Springs, California, SPN Networks, Inc is a cloud consulting & SI company. They focus on cloud consulting & SI and IT managed services and were established in 2002.Read More
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501$1,000+10 - 49 employeesSan Diego, CAPros Global Inc is a Cybersecurity company. The San Diego, California-based agency focuses on Cybersecurity and IoT development.Read More
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502$5,000+2 - 9 employeesNevada City, CARead More
Launched in 2016, opsZero is a small cloud consulting & SI company located in Nevada City, California. Their services include cloud consulting & SI.
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503Undisclosed10 - 49 employeesLake Forest, CAEstablished in 1998, Cywest Communications is a cloud consulting & SI company. Their team offers cloud consulting & SI and Cybersecurity.Read More
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504$1,000+10 - 49 employeesSan Diego, CAExcedeo IT Support San Diego, an IT managed services company, was founded in 2003. The small team offers IT managed services and cloud consulting & SI.Read More
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505$75,000+10 - 49 employeesFremont, CAIT managed services company Formac Inc is based in Fremont, California. The team offers IT managed services and IT staff augmentation.Read More
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506$1,000+2 - 9 employeesNewport Beach, CATechifornia IT Services is an IT managed services company. In Newport Beach, California, the team specializes in IT managed services and IT strategy consulting.Read More
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507$5,000+10 - 49 employeesSan Diego, CAKeyNode Solutions, a CRM consulting and SI company, was established in 2000. The company specializes in CRM consulting and SI, and is small.Read More
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508$10,000+50 - 249 employeesCampbell, CAITque is a midsize IT strategy consulting company in Campbell, California. Their services include IT strategy consulting and Cybersecurity.Read More
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509Undisclosed10 - 49 employeesRoseville, CAAshby Communications is an IT managed services company. They are headquartered in Roseville, California, and their services include IT managed services and IT strategy consulting.Read More
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510Undisclosed2 - 9 employeesVentura, CAPc Express is a Ventura, California-based IT managed services company. They specialize in IT managed services and cloud consulting & SI and were launched in 1999.Read More
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
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