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
-
1681Undisclosed50 - 249 employeesIrvine, CASMS Datacenter is an Irvine, California-based IT managed services company. The team specializes in IT managed services and IT strategy consulting.Read More
-
1682Undisclosed250 - 999 employeesSanta Clara, CAEffOne is a custom software development firm based in Santa Clara, California. They focus on Custom Software Development and Application Testing.Read More
-
1683Undisclosed2 - 9 employeesSan Diego, CANetwork Velocity is a small San Diego, California-based CRM consulting and SI company. The team offers CRM consulting and SI and ECM consulting and SI.Read More
Industries
-
1684$1,000+Freelancer employeesSan Bernardino, CACentrenex, an unified communications consulting & SI company, focus on unified communications consulting & SI and cloud consulting & SI. They were founded in 2015.Read More
Industries
-
1685$10,000+10 - 49 employeesSan Diego, CAMLS Technology Group, an IT managed services company, was established in 2008. The team offers IT managed services and other IT consulting and SI.Read More
-
1686Undisclosed2 - 9 employeesRancho Santa Margarita, CAMotech It Solutions, Inc., an IT managed services company, was established in 2018. Based in Rancho Santa Margarita, California, the team provides IT managed services and Web Design.Read More
Industries
-
1687$1,000+2 - 9 employeesWest Covina, CAHeadquartered in West Covina, California, LayerZoom is a small IT strategy consulting company. The team offers IT strategy consulting and cloud consulting & SI.Read More
-
1688Undisclosed2 - 9 employeesMurrieta, CATriune InfoTech is a cloud consulting & SI company established in 2025. Their team offers cloud consulting & SI and Cybersecurity.Read More
-
1689$1,000+2 - 9 employeesWest Hollywood, CASecure Origin is a Cybersecurity and IT managed services company based in West Hollywood, California. They focus on Cybersecurity and IT managed services.Read More
Industries
-
1690UndisclosedFreelancer employeesLos Angeles, CAAMULET Analytics is a small big data company established in 2012. Their services include BI & big data consulting & SI.Read More
-
1691$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
-
1692UndisclosedFreelancer 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
-
1693$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
Industries
-
1694$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
-
1695Undisclosed2 - 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
-
1696Undisclosed2 - 9 employeesSignal Hill, CAContuitiv Consulting is a small Business Consulting company headquartered in Signal Hill, California. Their services include Business Consulting and IT strategy consulting.Read More
-
1697Undisclosed2 - 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
-
1698Undisclosed2 - 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
-
1699Undisclosed2 - 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
-
1700Undisclosed2 - 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
-
1701Undisclosed2 - 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
-
1702Undisclosed2 - 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
-
1703Undisclosed2 - 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
-
1704Undisclosed2 - 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
Industries
-
1705Undisclosed2 - 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
Industries
-
1706$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.
Industries
-
1707$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
-
1708Undisclosed2 - 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
-
1709$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
-
1710UndisclosedFreelancer employeesLos Angeles, CAEstablished in 2022, LSCP is a Cybersecurity company. The small team specializes in Cybersecurity.Read More
Featured provider
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
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
California
- 11 6 new reviews
- 12 6 new reviews
- 13 6 new reviews
- 14 6 new reviews
- 15 5 new reviews
