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.
List of the Best California IT Companies
-
871Undisclosed10 - 49 employeesSan Francisco, CAMSR Communications is a Content Marketing company launched in 1998. The firm focuses on Content Marketing and Event Marketing.Read More
-
872$25,000+10 - 49 employeesBurlingame, CABXGI is a Burlingame, California-based IT staff augmentation company. They provide IT staff augmentation and Custom Software Development.Read More
Industries
-
873Undisclosed10 - 49 employeesSan Jose, CAFounded in 2010, Thinking Hut IT Solutions Pvt. Ltd. Is a small custom software development firm. Their services include Custom Software Development and Enterprise App Modernization.Read More
Industries
-
874$1,000+250 - 999 employeesLos Angeles, CATPx Communications is an IT managed services company. They are headquartered in Austin, Texas; Los Angeles, California; Manchester, New Hampshire and Las Vegas, Nevada and have a midsize team that provides IT managed services, Cybersecurity, and unified communications consulting & SI. The firm was founded in 1998.Read More
Clients
The Kraft GroupIndustries
-
875$25,000+250 - 999 employeesSan Diego, CAEffectiveSoft is a midsize AI Agents company. Headquartered in San Diego, California; Wrocław, Poland; San Rafael, Costa Rica and Warszawa, Poland, the company was established in 2003. Their services include AI Agents, Custom Software Development, cloud consulting & SI, Artificial Intelligence, and more.Read More
Industries
-
876$5,000+2 - 9 employeesSan Jose, CAAppeX Technology is a San Jose, California-based custom software development company. They specialize in Custom Software Development and IT strategy consulting and were launched in 2019.Read More
Industries
-
877$10,000+50 - 249 employeesSan Diego, CARead More
IT strategy consulting company Meriplex Communications was established in 2001. In Houston, Texas, their midsize team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.
Industries
-
878$5,000+2 - 9 employeesMarina del Rey, CARead More
Cybersecurity company Framework Security was established in 2019. The small Austin, Texas-based team focuses on Cybersecurity.
Clients
Volo SolutionsIndustries
-
879Undisclosed250 - 999 employeesPleasanton, CALaunched in 2014, Brillius AI Labs is an AI Agents company. The agency provides AI Agents and cloud consulting & SI.Read More
-
880$5,000+250 - 999 employeesSan Francisco, CAFounded in 2021, TrueFoundry AI Gateway, a midsize AI Agents company, is located in San Francisco, California. Their team provides AI Agents and Generative AI.Read More
-
881Undisclosed50 - 249 employeesBeverly Hills, CACybersecurity company Citrin Cooperman is located in Beverly Hills, California; Los Angeles, California; Livingston, New Jersey and Norwalk, Connecticut. The midsize team specializes in cybersecurity, accounting, IT managed services, business consulting, and more. The company was founded in 1979.Read More
-
882$1,000+10 - 49 employeesIrvine, CAVision33, an ERP consulting and SI company, was established in 1992. The agency specializes in ERP consulting and SI and CRM consulting and SI, and is small.Read More
-
883$1,000+10 - 49 employeesLong Beach, CABond Consulting Services is an ERP consulting and SI company founded in 2000. The firm focuses on ERP consulting and SI and CRM consulting and SI.Read More
Industries
-
884$1,000+10 - 49 employeesSan Jose, CATensoft is an ERP consulting and SI company. In San Jose, California, the team specializes in ERP consulting and SI.Read More
Industries
-
885$1,000+250 - 999 employeesSan Ramon, CAArmanino McKenna is an ERP consulting and SI company located in San Ramon, California and Los Angeles, California. The team specializes in ERP consulting and SI and CRM consulting and SI.Read More
Industries
-
886Undisclosed10 - 49 employeesSanta Barbara, CAExperlogix is a CRM consulting and SI company. Established in 2002, the team focuses on CRM consulting and SI and ERP consulting and SI. The company is located in Santa Barbara, California.Read More
Industries
-
887Undisclosed250 - 999 employeesIrvine, CASolugenix is an ERP consulting and SI company. The Irvine, California-based agency was launched in 1969. Their services include ERP consulting and SI and IT managed services.Read More
Industries
-
888Undisclosed50 - 249 employeesLos Angeles, CASolver is a midsize CRM consulting and SI company founded in 1996. Their services include CRM consulting and SI and ERP consulting and SI.Read More
Industries
-
889Undisclosed50 - 249 employeesTorrance, CAHeadquartered in Torrance, California, Calsoft Systems is a midsize CRM consulting and SI and ERP consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
Industries
-
890$5,000+50 - 249 employeesSan Francisco, CARead More
RiskIQ is a cybersecurity company based in San Francisco with a team of just over 150 employees. Established in 2009, they provide cybersecurity, business intelligence, big data consulting, and software integration services to clients in a variety of industries.
Clients
AmazonIndustries
-
891$5,000+250 - 999 employeesSan Francisco, CABased in San Francisco, California and Reston, Virginia, Lookout is a Cybersecurity company. They specialize in Cybersecurity.Read More
Industries
-
892$5,000+10 - 49 employeesThousand Oaks, CAZuma Technology is an IT managed services company in Thousand Oaks, California. They focus on IT managed services.Read More
Industries
-
893$10,000+50 - 249 employeesSan Francisco, CABay Dynamics is a Cybersecurity company. The team provides Cybersecurity and cloud consulting & SI, and the firm is headquartered in San Francisco, California and New York, New York.Read More
Industries
-
894$10,000+250 - 999 employeesIrvine, CACylance Inc. Is a Cybersecurity company. Their team is located in Irvine, California. The agency provides Cybersecurity and IT strategy consulting.Read More
Industries
-
895$10,000+50 - 249 employeesSan Francisco, CAMocana Corporation is a Cybersecurity company based in San Francisco, California. The team specializes in Cybersecurity and cloud consulting & SI.Read More
Industries
-
896$10,000+250 - 999 employeesPasadena, CAGuidance Software is a Cybersecurity company. Their midsize team is based in Pasadena, California and New York, New York. Their services include Cybersecurity and IT strategy consulting.Read More
Clients
BoxIndustries
-
897$10,000+10 - 49 employeesLos Angeles, CAIT managed services company Streamline Networks offers IT managed services and cloud consulting & SI. They were established in 2001.Read More
Industries
-
898$10,000+10 - 49 employeesLos Angeles, CANorthstar Technologies is a cloud consulting & SI company. They were launched in 1992 and specialize in cloud consulting & SI and IT managed services.Read More
Industries
-
899$10,000+10 - 49 employeesLos Angeles, CAIT managed services company Reboot Networks was established in 1997. The team offers IT managed services and IT strategy consulting.Read More
Industries
-
900$10,000+50 - 249 employeesAgoura Hills, CAIT strategy consulting company Key Information Systems is based in Agoura Hills, California. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
Industries
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.
IT Services Company
California
- 11 7 new reviews
- 12 6 new reviews
- 13 6 new reviews
- 14 6 new reviews
- 15 6 new reviews
