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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
-
$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
-
$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
-
331$1,000+10 - 49 employeesCulver City, CAOverwatch Group, an IT strategy consulting company, is based in Montville, New Jersey and Culver City, California. Their services include IT strategy consulting and cloud consulting & SI.Read More
Industries
-
332$5,000+2 - 9 employeesSanta Cruz, CALitmusBox, LLC is a CRM consulting and SI company. Based in Santa Cruz, California, the company was established in 2017. Their team focuses on CRM consulting and SI and Digital Strategy.Read More
-
333Undisclosed2 - 9 employeesLa Mesa, CATechiT Services is an IT managed services company. The team offers IT managed services and IT staff augmentation, and the agency is based in La Mesa, California.Read More
Industries
-
334$5,000+10 - 49 employeesRedlands, CAFounded in 1997, California Computer Options, Inc. Is a small IT managed services company. Their services include IT managed services and IT staff augmentation.Read More
-
335$10,000+10 - 49 employeesIrvine, CAThe Comtel Group is an unified communications consulting & SI company. They provide unified communications consulting & SI and IT managed services and were founded in 1989.Read More
Industries
-
336$1,000+2 - 9 employeesSan Jose, CAIT managed services company offthegridit was founded in 2012. The team provides IT managed services and Cybersecurity.Read More
-
337$1,000+2 - 9 employeesLos Angeles, CACEO Computers is an IT managed services company. In Los Angeles, California, their team focuses on IT managed services and cloud consulting & SI.Read More
Industries
-
338Undisclosed10 - 49 employeesCarlsbad, CAFMT Consultants, LLC is a CRM consulting and SI company based in Carlsbad, California. The team focuses on CRM consulting and SI and ERP consulting and SI.Read More
Clients
HM ElectronicsIndustries
-
339Undisclosed250 - 999 employeesPalo Alto, CAFrank, Rimerman + Co. Is a Palo Alto, California-based CRM consulting and SI company. They focus on CRM consulting and SI and ERP consulting and SI.Read More
Industries
-
340$10,000+250 - 999 employeesCarmichael, CASDI Presence is an IT managed services company. Founded in 2016, the team focuses on IT managed services and IT strategy consulting.Read More
Industries
-
341Undisclosed250 - 999 employeesSan Francisco, CAData analytics company Sigmoid is located in San Francisco, California. The team specializes in BI & big data consulting & SI.Read More
-
342$1,000+10 - 49 employeesSan Jose, CADRS Softec is an IT managed services company. They are based in San Jose, California, and their services include IT managed services.Read More
-
343Undisclosed50 - 249 employeesIrvine, CAMidsize custom software development firm Trusted Tech Team, is headquartered in Irvine, California. Their services include Custom Software Development and cloud consulting & SI.Read More
-
344Undisclosed50 - 249 employeesSanta Barbara, CA4me is a midsize IT managed services company. Launched in 2010, the team provides IT managed services.Read More
-
345Undisclosed10 - 49 employeesSan Francisco, CAEstablished in 2016, ScreenMeet is a small San Francisco, California-based IT strategy consulting company. Their services include IT strategy consulting and CRM consulting and SI.Read More
-
346$1,000+10 - 49 employeesSan Diego, CAInfoTechSVP is an IT managed services company. The company is headquartered in San Diego, California. Their team offers IT managed services and IT staff augmentation.Read More
Industries
-
347$10,000+50 - 249 employeesTorrance, CAIT managed services company Axelliant was founded in 2019. The team provides IT managed services and Custom Software Development.Read More
Industries
-
348Undisclosed10 - 49 employeesSan Mateo, CARobust Network Solutions is an IT strategy consulting company. Their team is in San Mateo, California. The firm offers IT strategy consulting and cloud consulting & SI.Read More
Industries
-
349$10,000+50 - 249 employeesFremont, CARead More
Agile Soft Systems, Inc, a custom software development firm, was launched in 2012. Their midsize team is headquartered in Fremont, California. Their services include custom software development, application testing, blockchain, enterprise app modernization, and more.
Industries
-
350$5,000+50 - 249 employeesSanta Monica, CABased in Santa Monica, California and Irvine, California, CorpInfo is an IT managed services company. They offer IT managed services and cloud consulting & SI.Read More
-
351Undisclosed10 - 49 employeesSanta Fe Springs, CAIT strategy consulting company IMPRES Technology Solutions was founded in 2001. The team provides IT strategy consulting and Cybersecurity and is headquartered in Santa Fe Springs, California.Read More
-
352$5,000+10 - 49 employeesPalo Alto, CALaunched in 1999, single point of contact is an IT managed services company. The team provides IT managed services and cloud consulting & SI and is located in Palo Alto, California.Read More
Industries
-
353$5,000+10 - 49 employeesLos Angeles, CAEstablished in 1991, FPA Technology Services Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
Industries
-
354$10,000+10 - 49 employeesWest Hollywood, CAGeekTek IT Services is an IT managed services company founded in 1998. Their services include IT managed services and cloud consulting & SI.Read More
Industries
-
355Undisclosed50 - 249 employeesSan Diego, CALaunched in 1984, Office1 is an IT managed services company. Their team provides IT managed services and IT strategy consulting.Read More
-
356$1,000+50 - 249 employeesNewport Beach, CAQuickFMS is a cloud consulting & SI company in Newport Beach, California and Hyderabad, India. Established in 2015, the team specializes in cloud consulting & SI and Commercial Property Management.Read More
-
357$1,000+10 - 49 employeesCulver City, CAGeneration IX Technologies is an IT managed services company founded in 1992. The firm specializes in IT managed services and cloud consulting & SI, and is small.Read More
Industries
-
358Undisclosed250 - 999 employeesSan Francisco, CAUnited Private Cloud is a cloud consulting & SI company. Their midsize team is located in San Francisco, California. Their team offers cloud consulting & SI and other IT consulting and SI.Read More
Industries
-
359Undisclosed250 - 999 employeesSan Francisco, CAUnitedLayer is a midsize IT managed services company based in San Francisco, California. Their services include IT managed services and cloud consulting & SI.Read More
-
360Undisclosed10 - 49 employeesGlendale, CALocated in Tampa, Florida and Glendale, California, IT Support Guys is a small IT managed services company. The team specializes in IT managed services.Read More
Industries
Featured providers
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 7 new reviews
- 13 7 new reviews
- 14 6 new reviews
- 15 5 new reviews
