Top 100 IT Services Companies in California
The Best of January 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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
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1801$10,000+10 - 49 employeesLos Angeles, CABusiness intelligence company ExistBI was founded in 2008. The team provides BI & big data consulting & SI and IT managed services and is located in Los Angeles, California.Read More
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1802$1,000+50 - 249 employeesShenzhen Shi, ChinaAPEX Technologies, a midsize AI company, is headquartered in Shanghai, China and Beijing, China. The team specializes in Artificial Intelligence and AR/VR development.Read More
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1803Undisclosed2 - 9 employeesSan Diego, CATCM is a small San Diego, California-based IT strategy consulting company. Their services include IT strategy consulting.Read More
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1804Undisclosed1,000 - 9,999 employeesLos Gatos, CAImpetus is a large Los Gatos, California-based data analytics company. Their services include BI & big data consulting & SI.Read More
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1805Undisclosed50 - 249 employeesRedwood City, CALaunched in 2011, Lastline, Inc. Is a Cybersecurity company. Their team provides Cybersecurity and other IT consulting and SI.Read More
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1806Undisclosed2 - 9 employeesRunning Springs, CAWobot - Mobile Smartphone Repair, a small IT managed services and Cybersecurity company, is located in Running Springs, California. Their services include IT managed services and Cybersecurity.Read More
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1807Undisclosed2 - 9 employeesBakersfield, CAHeadquartered in Bakersfield, California, ATECH MSP is a small IT managed services company. The team offers IT managed services and IT strategy consulting.Read More
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1808Undisclosed50 - 249 employeesNewport Beach, CAVisionaire - an e4site Inc Company is a Newport Beach, California-based IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1809Undisclosed50 - 249 employeesSan Diego, CAIT strategy consulting and Business Consulting company Cask specializes in IT strategy consulting and Business Consulting. They were established in 2004.Read More
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1810Undisclosed2 - 9 employeesModesto, CAMoji Technologies is an IT managed services company. Located in Modesto, California, their team specializes in IT managed services.Read More
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1811UndisclosedFreelancer employeesAlameda, CALaunched in 2018, ITE Mavens is an IT managed services and IT strategy consulting company. The team focuses on IT managed services and IT strategy consulting.Read More
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1812UndisclosedFreelancer employeesVallejo, CAIT managed services and Cybersecurity company Ronen Solutions was launched in 2016. The agency offers IT managed services and Cybersecurity, and is small.Read More
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1813Undisclosed10 - 49 employeesVentura, CAPulseOne Technology Solutions, an IT managed services company, was founded in 2002. The firm specializes in IT managed services.Read More
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1814Undisclosed2 - 9 employeesLake Forest, CAOrange County Computer INC., an IT managed services company, was launched in 1998. The company provides IT managed services and IT strategy consulting.Read More
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1815Undisclosed2 - 9 employeesLake Forest, CAJeremy Merrick Enterprises is an IT managed services company in Lake Forest, California. They specialize in IT managed services and cloud consulting & SI.Read More
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1816Undisclosed2 - 9 employeesLancaster, CAThe Tech Gods is an IT managed services company. Located in Lancaster, California, the firm was founded in 2012. Their services include IT managed services.Read More
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1817Undisclosed10 - 49 employeesWalnut Creek, CAIT managed services company The Wizards of OZtechs was founded in 2001. In Walnut Creek, California, the team provides IT managed services and IT strategy consulting.Read More
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1818UndisclosedFreelancer employeesVentura, CAFounded in 1986, Infogrip IT LLC is an IT managed services and Cybersecurity company. The team focuses on IT managed services and Cybersecurity and is in Ventura, California.Read More
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1819Undisclosed2 - 9 employeesHawthorne, CAHLD Consulting is a small Hawthorne, California-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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1820Undisclosed2 - 9 employeesHawthorne, CALocated in Hawthorne, California, MIR IT CONSULTING is a small IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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1821Undisclosed2 - 9 employeesStockton, CADeborah's PC Solutions is an IT managed services company. The team focuses on IT managed services and is based in Stockton, California.Read More
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1822Undisclosed10 - 49 employeesStockton, CACloudKrest is a cloud consulting & SI company. The agency is located in Stockton, California. Their team provides cloud consulting & SI and unified communications consulting & SI.Read More
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1823Undisclosed2 - 9 employeesHayward, CAIT managed services company VicenTech Computer Services was launched in 2011. The team offers IT managed services and is headquartered in Hayward, California.Read More
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1824Undisclosed2 - 9 employeesHayward, CAABC01 REPAIR is an IT managed services company founded in 2000. The team focuses on IT managed services.Read More
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1825Undisclosed2 - 9 employeesStockton, CAQuasar Global Broadband Inc is an IT managed services company. They are headquartered in Stockton, California and have small team. Their team provides IT managed services and cloud consulting & SI.Read More
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1826Undisclosed2 - 9 employeesStockton, CAJantz Computer Services is a small IT managed services company headquartered in Stockton, California. Their services include IT managed services.Read More
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1827Undisclosed2 - 9 employeesWestlake Village, CAThe Oaks Computer & Tech Support is an IT managed services company. They are in Westlake Village, California and have small team. Their services include IT managed services and Web Design.Read More
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1828Undisclosed2 - 9 employeesFillmore, CASmall IT managed services and Cybersecurity company Hands-On Consultations, is headquartered in Fillmore, California. Their services include IT managed services and Cybersecurity.Read More
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1829Undisclosed50 - 249 employeesAgoura Hills, CAGreen Razor Communications is a midsize IT managed services and Cybersecurity company launched in 2004. Their services include IT managed services and Cybersecurity.Read More
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1830Undisclosed2 - 9 employeesSanta Clarita, CAFounded in 2010, It's a Geek.com is a small Santa Clarita, California-based IT managed services and Cybersecurity company. Their team provides IT managed services and Cybersecurity.Read More
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