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.
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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.
Industries
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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
Industries
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1831Undisclosed2 - 9 employeesLos Angeles, CAATTENTIVE IT, a small IT managed services and Cybersecurity company, is in Los Angeles, California. Their services include IT managed services and Cybersecurity.Read More
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1832Undisclosed2 - 9 employeesGardena, CAGeek Force USA is an IT managed services company. Their small team is headquartered in Gardena, California. Their services include IT managed services.Read More
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1833Undisclosed2 - 9 employeesManteca, CASoHo Networks is an IT managed services company established in 2004. The team provides IT managed services.Read More
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1834Undisclosed50 - 249 employeesLos Angeles, CAHelloTech is an IT managed services and Cybersecurity company established in 2015. Located in Los Angeles, California, the team provides IT managed services and Cybersecurity.Read More
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1835Undisclosed2 - 9 employeesMerced, CAMid Valley IT is an IT managed services company. Their team is based in Merced, California and specializes in IT managed services and Web Design.Read More
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1836Undisclosed10 - 49 employeesRoseville, CAEnWiDTH Technologies is an IoT development company. Launched in 2018, the company is headquartered in Roseville, California. Their team offers IoT development and BI & big data consulting & SI.Read More
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1837Undisclosed2 - 9 employeesHuntington Beach, CAOrange County Computer Repair Service, an IT managed services company, was established in 1994. The team provides IT managed services.Read More
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1838Undisclosed2 - 9 employeesSan Francisco, CABig data company CardSpring (acquired by Twitter) was launched in 2010. Headquartered in San Francisco, California, the team focuses on BI & big data consulting & SI.Read More
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1839Undisclosed10 - 49 employeesEl Cajon, CAHeadquartered in El Cajon, California, BioSoft Integrators is an IT strategy consulting company. The team offers IT strategy consulting and IT managed services.Read More
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1840UndisclosedFreelancer 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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1841Undisclosed2 - 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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1842Undisclosed2 - 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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1843Undisclosed2 - 9 employeesLaguna Hills, CACSCM, a small Cybersecurity company, is in Laguna Hills, California. The team provides Cybersecurity.Read More
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1844Undisclosed2 - 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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1845$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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1846Undisclosed2 - 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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1847Undisclosed10 - 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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1848Undisclosed50 - 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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1849Undisclosed10 - 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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1850Undisclosed2 - 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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1851UndisclosedFreelancer employeesSacramento, CALaunched in 2022, SolidifyID, a small Cybersecurity company, is based in Sacramento, California. Their services include Cybersecurity.Read More
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1852Undisclosed10 - 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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1853Undisclosed2 - 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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1854Undisclosed2 - 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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1855Undisclosed50 - 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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1856Undisclosed50 - 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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1857Undisclosed2 - 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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1858Undisclosed10 - 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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1859Undisclosed2 - 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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1860Undisclosed2 - 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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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
IT Services Company
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