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, ILRead More
BetterWorld 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.
Industries
-
871$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
-
872$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
-
873$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
-
874$5,000+50 - 249 employeesSan Francisco, CAArxan Technologies is a Cybersecurity company. Based in San Francisco, California, the team provides Cybersecurity.Read More
-
875$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
-
876$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
-
877$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
-
878$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
-
879$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
-
880$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
-
881$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
-
882$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
-
883Undisclosed10 - 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
-
884Undisclosed2 - 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
-
885Undisclosed250 - 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
-
886Undisclosed50 - 249 employeesEl Segundo, CALogin Consulting is a Staffing company. The El Segundo, California-based firm focuses on Staffing and IT managed services.Read More
-
887Undisclosed250 - 999 employeesDanville, CACompass Consulting Group, Inc., a midsize IT managed services company, is in Danville, California. The team offers IT managed services and IT strategy consulting.Read More
-
888Undisclosed2 - 9 employeesSan Rafael, CASage Renewable Energy Consulting is an IT managed services company. Established in 2009, their team provides IT managed services and Cybersecurity.Read More
-
889Undisclosed10 - 49 employeesSan Diego, CAShammam Consulting Services, Inc. Is a small San Diego, California-based Business Consulting company. Their services include Business Consulting and IT strategy consulting.Read More
-
890Undisclosed50 - 249 employeesSacramento, CAMGT Consulting Group is a midsize IT strategy consulting company. They offer IT strategy consulting and Business Consulting and were founded in 1974.Read More
-
891Undisclosed10 - 49 employeesSanta Clara, CAV&C Solutions, Inc is an IT strategy consulting company. They are based in Santa Clara, California. Their team offers IT strategy consulting.Read More
-
892Undisclosed50 - 249 employeesTorrance, CACMTC, an IT managed services company, is headquartered in Torrance, California. They specialize in IT managed services and IT strategy consulting.Read More
-
893Undisclosed250 - 999 employeesCampbell, CASaama, a business intelligence company and cloud consulting & SI company, was established in 1997. The team focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
-
894Undisclosed50 - 249 employeesCerritos, CACQ Infotech is a midsize Cerritos, California-based data analytics company and cloud consulting & SI company. The team offers BI & big data consulting & SI and cloud consulting & SI.Read More
-
895Undisclosed1,000 - 9,999 employeesLos Angeles, CAFTI Consulting, a business intelligence company, was launched in 1982. The agency offers BI & big data consulting & SI and Cybersecurity, and is large.Read More
-
896Undisclosed250 - 999 employeesWestminster, CABased in Westminster, California, Global Conductor is a Business Consulting company. They provide Business Consulting and IT strategy consulting and were launched in 2002.Read More
-
897Undisclosed10 - 49 employeesBakersfield, CAFounded in 2009, Grapevine MSP Technology Services is an IT managed services and IT strategy consulting company. The team specializes in IT managed services and IT strategy consulting.Read More
-
898Undisclosed10 - 49 employeesBakersfield, CAAdvanced Network Solutions, LLC is a small Bakersfield, California-based IT managed services company. The team provides IT managed services.Read More
-
899Undisclosed2 - 9 employeesBakersfield, CAFounded in 2004, Exclusive Technologies is an IT managed services company. The team offers IT managed services and IT strategy consulting and is headquartered in Bakersfield, California.Read More
-
900Undisclosed2 - 9 employeesAlameda, CAEon Technologies & Computers, an IT managed services company, was established in 1990. The team provides IT managed services and IT strategy consulting and is based in Alameda, California.Read More
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 5 new reviews
- 14 5 new reviews
- 15 5 new reviews
