Top 100 IT Services Companies in California
The Best of June 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
-
931$5,000+10 - 49 employeesSan Francisco, CAIT managed services company FunctionOne was established in 2007. The team provides IT managed services and IT strategy consulting and is in San Francisco, California.Read More
-
932$1,000+10 - 49 employeesSanta Ana, CAXentaurs is a Cybersecurity company. Established in 2016, the firm offers Cybersecurity and Artificial Intelligence.Read More
Clients
CiscoIndustries
-
933$5,000+10 - 49 employeesNapa, CAEstablished in 2005, Computer Engineering Group is an IT managed services company. The agency specializes in IT managed services.Read More
-
934$5,000+10 - 49 employeesSalinas, CAEstablished in 2001, Alvarez Technology Group is a small data analytics company. Their team offers BI & big data consulting & SI and IT managed services.Read More
-
935$5,000+250 - 999 employeesLos Angeles, CALaunched in 1995, KeepItSafe is an IT managed services company. Their services include IT managed services and cloud consulting & SI.Read More
Industries
-
936$5,000+10 - 49 employeesSan Francisco, CALaunched in 1993, Dataway is a small IT managed services company. Their team provides IT managed services and unified communications consulting & SI.Read More
-
937$5,000+10 - 49 employeesLivermore, CAIT managed services company Lanlogic was founded in 1995. The firm provides IT managed services and cloud consulting & SI.Read More
-
938$5,000+10 - 49 employeesOrange, CAHeadquartered in Orange, California, Numa Networks is a cloud consulting & SI and IT managed services company. They offer cloud consulting & SI and IT managed services.Read More
-
939$5,000+2 - 9 employeesAnaheim, CAOnthenetOffice is a cloud consulting & SI and IT managed services company founded in 1997. Their team provides cloud consulting & SI and IT managed services.Read More
-
940$5,000+50 - 249 employeesRoseville, CAQuest Media & Supplies, Inc. Is a midsize IT managed services company based in Roseville, California. Their services include IT managed services and IT strategy consulting.Read More
-
941$5,000+10 - 49 employeesSan Francisco, CAIpsofacto is a San Francisco, California-based IT managed services company. The team focuses on IT managed services and cloud consulting & SI.Read More
-
942$5,000+10 - 49 employeesModesto, CANetwork Builders IT is an IT managed services company established in 2006. The team specializes in IT managed services and cloud consulting & SI and is in Modesto, California.Read More
-
943$5,000+2 - 9 employeesSalinas, CAPinnacle Technology Services is an IT managed services company. They are based in Salinas, California. Their team provides IT managed services and Web Design.Read More
-
944$10,000+50 - 249 employeesSan Francisco, CAPrimitive Logic is a midsize data analytics company. Launched in 1984, the team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
-
945$5,000+10 - 49 employeesSan Francisco, CAExponent Partners, a custom software development company, is located in San Francisco, California and Seattle, Washington. They offer Custom Software Development and CRM consulting and SI.Read More
-
946$5,000+10 - 49 employeesSan Diego, CATaranet is a San Diego, California-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
-
947$5,000+50 - 249 employeesCupertino, CABased in Cupertino, California, Kalio Inc is a cloud consulting & SI and e-commerce development company. The team focuses on cloud consulting & SI and E-Commerce Development.Read More
Clients
Jack Stack BarbecueIndustries
-
948$5,000+50 - 249 employeesSan Francisco, CAArxan Technologies is a Cybersecurity company. Based in San Francisco, California, the team provides Cybersecurity.Read More
-
949$5,000+50 - 249 employeesSan Mateo, CAFounded in 2014, Fortscale - Acquired by RSA Security is a Cybersecurity company. The company specializes in Cybersecurity and IT managed services.Read More
-
950$5,000+1,000 - 9,999 employeesSan Jose, CAExtreme Networks is a cloud consulting & SI company. The team specializes in cloud consulting & SI and IT managed services and is in San Jose, California and Milano, Italy.Read More
-
951$5,000+1,000 - 9,999 employeesSan Jose, CASymbio is an IT strategy consulting company. The San Jose, California-based firm was established in 1994. Their services include IT strategy consulting and cloud consulting & SI.Read More
-
952$5,000+250 - 999 employeesSan Francisco, CAApp Annie, an Application Management & Support company, offer Application Management & Support and BI & big data consulting & SI. They were launched in 2010.Read More
-
953$5,000+1,000 - 9,999 employeesSanta Clara, CAWangsu is a big data company. They are based in Santa Clara, California and Beijing, China, and their services include BI & big data consulting & SI and cloud consulting & SI.Read More
-
954$5,000+50 - 249 employeesSan Mateo, CAPingCAP is a big data analytics company. They specialize in BI & big data consulting & SI and IT managed services and are headquartered in San Mateo, California and Beijing, China.Read More
-
955$5,000+50 - 249 employeesSanta Clara, CAYunshan Networks is an IT managed services company. The midsize Beijing, China-based team specializes in IT managed services and cloud consulting & SI. The firm was founded in 2011.Read More
-
956$5,000+50 - 249 employeesSunnyvale, CAChinaNetCloud, a cloud consulting & SI company, was established in 2008. Based in Shanghai, China and Beijing, China, the team specializes in cloud consulting & SI and IT managed services.Read More
-
957Undisclosed10 - 49 employeesAliso Viejo, CAFounded in 2002, The Carrera Agency is an IT strategy consulting company. Their team specializes in IT strategy consulting and Branding.Read More
-
958Undisclosed2 - 9 employeesSan Diego, CABayside Networks.com, Inc. Is an IT strategy consulting company. They are headquartered in San Diego, California and have small team of experts. Their services include IT strategy consulting.Read More
-
959Undisclosed250 - 999 employeesBurlingame, CASoftware development firm ARES Corporation was established in 1992. The team specializes in Custom Software Development and IT managed services and is headquartered in Burlingame, California.Read More
-
960Undisclosed50 - 249 employeesEl Segundo, CALogin Consulting is a Staffing company. The El Segundo, California-based firm focuses on Staffing and IT managed services.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 7 new reviews
- 12 6 new reviews
- 13 6 new reviews
- 14 6 new reviews
- 15 6 new reviews
