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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
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1891UndisclosedFreelancer employeesAntioch, CAUSATEKS Computer Services is an IT managed services company. Launched in 2008, the agency is based in Antioch, California. Their team focuses on IT managed services.Read More
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1892Undisclosed2 - 9 employeesLakewood, CALaunched in 2000, Compu Smart, a small IT managed services company, is headquartered in Lakewood, California. Their services include IT managed services.Read More
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1893Undisclosed2 - 9 employeesRiverside, CAAegis Network Group, LLC. Is an IT managed services company. Founded in 2018, the team offers IT managed services and cloud consulting & SI. The agency is located in Riverside, California.Read More
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1894Undisclosed2 - 9 employeesLaguna Hills, CACSCM, a small Cybersecurity company, is in Laguna Hills, California. The team provides Cybersecurity.Read More
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1895Undisclosed2 - 9 employeesLaguna Niguel, CASmall IT managed services company Delarman IT Services, is in Laguna Niguel, California. The team provides IT managed services and cloud consulting & SI.Read More
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1896$1,000+2 - 9 employeesLos Angeles, CAFounded in 2010, Silverleaf Computer Services is a small Los Angeles, California-based IT managed services company. Their team focuses on IT managed services and Cybersecurity.Read More
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1897Undisclosed2 - 9 employeesAlhambra, CAEasy Cloud Solutions, LLC is a big data analytics company. They are located in Alhambra, California. Their team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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1898Undisclosed10 - 49 employeesSanta Monica, CASmall Back Office Outsourcing company Mystic River Consulting, is headquartered in Santa Monica, California. The team provides Back Office Outsourcing and IT managed services.Read More
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1899Undisclosed50 - 249 employeesOrange, CAEstablished in 2015, LMNTRIX is a midsize Orange, California-based custom software development firm. Their services include Custom Software Development and Cybersecurity.Read More
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1900Undisclosed10 - 49 employeesDublin, CAHiforte Technologies, a small CRM consulting and SI company, is located in Dublin, California. The team offers CRM consulting and SI.Read More
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1901Undisclosed2 - 9 employeesConcord, CALaunched in 2010, Big Dog Computing, Inc. Is an IT strategy consulting and CRM consulting and SI company. The agency provides IT strategy consulting and CRM consulting and SI.Read More
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1902UndisclosedFreelancer employeesSacramento, CALaunched in 2022, SolidifyID, a small Cybersecurity company, is based in Sacramento, California. Their services include Cybersecurity.Read More
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1903Undisclosed10 - 49 employeesSanta Clara, CASmall data analytics company Aryng, is located in Santa Clara, California. Their services include BI & big data consulting & SI and Artificial Intelligence.Read More
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1904Undisclosed2 - 9 employeesPleasanton, CABig data company Harosec was launched in 2018. The team provides BI & big data consulting & SI and cloud consulting & SI.Read More
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1905Undisclosed2 - 9 employeesMilpitas, CASynergyX, a cloud consulting & SI company, is in Milpitas, California. Founded in 2018, the team provides cloud consulting & SI and Artificial Intelligence.Read More
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1906Undisclosed50 - 249 employeesSan Diego, CAGoSecure is a Cybersecurity and IT managed services company. They are located in San Diego, California. Their team provides Cybersecurity and IT managed services.Read More
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1907Undisclosed50 - 249 employeesPasadena, CAMidsize big data analytics company New Digital IT Inc., is based in Pasadena, California. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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1908Undisclosed2 - 9 employeesLos Angeles, CALos Angeles Data Analytics, LLC is a business intelligence company. Established in 2018, the firm is located in Los Angeles, California. Their team focuses on BI & big data consulting & SI.Read More
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1909Undisclosed10 - 49 employeesSan Diego, CALocated in San Diego, California, Analytica Consulting is a big data company. They specialize in BI & big data consulting & SI.Read More
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1910Undisclosed2 - 9 employeesBerkeley, CAPitch Interactive, Inc. Is a big data analytics company. Launched in 2006, the company is in Berkeley, California. Their services include BI & big data consulting & SI.Read More
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1911Undisclosed2 - 9 employeesSan Francisco, CABrightalytics is a big data analytics company based in San Francisco, California. They provide BI & big data consulting & SI and were founded in 2022.Read More
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1912Undisclosed2 - 9 employeesSacramento, CALPC Consulting Associates, Inc. Is a data analytics company. The Sacramento, California-based team provides BI & big data consulting & SI.Read More
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1913Undisclosed2 - 9 employeesAnaheim, CAExpleo Analytics is a big data analytics company. They were launched in 2021 and specialize in BI & big data consulting & SI.Read More
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1914Undisclosed2 - 9 employeesFullerton, CALightray Solutions LLC is a big data analytics company. Founded in 2020, the team focuses on BI & big data consulting & SI.Read More
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1915Undisclosed10 - 49 employeesSanta Clarita, CABCM Analytics is a big data company launched in 1992. The team offers BI & big data consulting & SI.Read More
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1916Undisclosed10 - 49 employeesIrvine, CABusiness intelligence company getBIsmart was established in 2016. The team focuses on BI & big data consulting & SI.Read More
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1917Undisclosed2 - 9 employeesDanville, CAData Visual Analysis is a small big data company. They offer BI & big data consulting & SI and were launched in 2013.Read More
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1918Undisclosed10 - 49 employeesSan Francisco, CAFMX Solutions is a San Francisco, California-based IT strategy consulting company. Founded in 2005, the team focuses on IT strategy consulting.Read More
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1919Undisclosed50 - 249 employeesSan Marcos, CALaunched in 2004, Kros-Wise, Inc. Is an IT strategy consulting company. The team specializes in IT strategy consulting and is located in San Marcos, California.Read More
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1920Undisclosed50 - 249 employeesCupertino, CAAppPerfect Corp is a custom software development firm. Headquartered in Cupertino, California, their team focuses on Custom Software Development and Robotics Process Automation.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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