Top 100 IT Services Companies in California
The Best of September 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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1771$1,000+2 - 9 employeesRiverside, CAIT managed services company Active IT Solutions was founded in 2003. The team offers IT managed services and Cybersecurity and is in Riverside, California.Read More
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1772UndisclosedFreelancer employeesLos Angeles, CAOn Call Business Communications, an unified communications consulting & SI company, was established in 2020. The team focuses on unified communications consulting & SI and IT managed services.Read More
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1773$1,000+10 - 49 employeesLake Forest, CALoopsey, an IT managed services company, focuses on IT managed services and Cybersecurity. The firm is headquartered in Lake Forest, California.Read More
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1774Undisclosed2 - 9 employeesMontclair, CASimpleTech, a CRM consulting and SI company, was established in 2016. The team focuses on CRM consulting and SI and IT managed services.Read More
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1775Undisclosed2 - 9 employeesLos Angeles, CAD3 Legal Search, LLC, a Staffing company, is headquartered in Los Angeles, California. Established in 2010, the team focuses on Staffing and IT managed services.Read More
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1776Undisclosed2 - 9 employeesRedding, CAReverse Focus is a small Marketing Strategy company founded in 2007. Their services include Marketing Strategy and CRM consulting and SI.Read More
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1777Undisclosed2 - 9 employeesLivermore, CAEZ E-File Tax Preparers, an Accounting company, is in Livermore, California. Launched in 2001, the team offers Accounting and IT managed services.Read More
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1778Undisclosed2 - 9 employeesNewport Beach, CAE-commerce development company ConversionPoint Technologies is in Newport Beach, California. Their services include E-Commerce Development and CRM consulting and SI.Read More
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1779Undisclosed2 - 9 employeesIrvine, CAHorizon Consumer Science is a Market Research company located in Irvine, California. Established in 1994, the team offers Market Research and BI & big data consulting & SI.Read More
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1780Undisclosed2 - 9 employeesSan Francisco, CALaunched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.Read More
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1781Undisclosed2 - 9 employeesMountain View, CAFounded in 2000, Vayusphere is an artificial intelligence development company. The team specializes in Artificial Intelligence and IT strategy consulting and is based in Mountain View, California.Read More
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1782Undisclosed2 - 9 employeesCarlsbad, CAFounded in 1999, Lynch Interactive, Inc. Is a business intelligence company. The agency provides BI & big data consulting & SI and IT managed services.Read More
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1783Undisclosed2 - 9 employeesSan Clemente, CANavfeas, Inc. Is a software development company. Based in San Clemente, California, the agency was founded in 2021. Their team specializes in Custom Software Development and Computer Engineering.Read More
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1784Undisclosed2 - 9 employeesTustin, CARVVR AI is an artificial intelligence company. In Tustin, California, their small team specializes in Artificial Intelligence and IT strategy consulting. The company was launched in 2021.Read More
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1785$1,000+250 - 999 employeesSacramento, CARead More
Headquartered in South Jordan, Utah; Roseville, California; Elk Grove, California and Seattle, Washington, Executech is an IT managed services company. The midsize firm was established in 1999. Their services include IT managed services, cloud consulting & SI, cybersecurity, IT strategy consulting, and more.
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1786$25,000+250 - 999 employeesSan Francisco, CAHelpware Tech is a midsize San Francisco, California-based IT strategy consulting company. They provide IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more and were founded in 2015.Read More
Clients
Google Microsoft PWC CompIQIndustries
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1787$25,000+250 - 999 employeesMilpitas, CAVeltris is a big data analytics company based in Milpitas, California; Hyderabad, India and Hyderabad, India. The midsize agency was launched in 2023. Their team provides BI & big data consulting & SI, ux/ui design, product design, custom software development, and more.Read More
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1788Undisclosed2 - 9 employeesSan Diego, CAThe Agency Guy, Inc, an IT strategy consulting and Business Consulting company, was established in 2014. They offers IT strategy consulting and Business Consulting.Read More
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1789$1,000+Freelancer employeesWest Covina, CAKeeter Technical Service Company LLC is a small Cybersecurity company. Launched in 1992, the team focuses on Cybersecurity and IT strategy consulting.Read More
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1790$1,000+Freelancer employeesSan Jose, CAExpert it TechSupport Services - ustechsupportx.com is a San Jose, California-based other IT consulting and SI company. They offer other IT consulting and SI and IT managed services.Read More
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1791$250,000+10 - 49 employeesSan Francisco, CAEstablished in 2023, RoamNook is a small IT strategy consulting company. Their team provides IT strategy consulting and cloud consulting & SI.Read More
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1792$1,000+2 - 9 employeesTemecula, CAIronguard IT is an IT strategy consulting company. Launched in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
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1793$1,000+2 - 9 employeesCerritos, CABefore The Future is a small Cybersecurity company headquartered in Cerritos, California. Their services include Cybersecurity and IT strategy consulting.Read More
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1794$1,000+2 - 9 employeesRancho Cucamonga, CAIT managed services company Call Computer Techs is based in Rancho Cucamonga, California. The team offers IT managed services and Cybersecurity.Read More
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1795$1,000+2 - 9 employeesSan Jose, CAHeadquartered in San Jose, California, LineSight Digital is an IT managed services company. They provide IT managed services and IT strategy consulting and were founded in 2025.Read More
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1796$5,000+Freelancer employeesSan Jose, CAComwick Technologies is an other IT consulting and SI company. Their team is headquartered in San Jose, California. The company provides other IT consulting and SI and IT managed services.Read More
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1797$1,000+2 - 9 employeesIrvine, CAIT Solve Hub is an IT managed services company. They are based in Irvine, California. Their team provides IT managed services and Cybersecurity.Read More
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1798$1,000+Freelancer employeesSacramento, CAScaleSafe Technology Partners is an IT managed services company established in 2026. The team specializes in IT managed services and Cybersecurity and is based in Sacramento, California.Read More
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1799Undisclosed10 - 49 employeesLong Beach, CAProdevconsultsph, a website development firm, is located in Long Beach, California and Taguig, Philippines. Launched in 2021, the team offers Web Development and Web Design.Read More
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1800Undisclosed10 - 49 employeesSan Ramon, CAManex Consulting is a Cybersecurity company established in 1995. The firm specializes in Cybersecurity and Business Consulting.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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