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
-
1111Undisclosed10 - 49 employeesSanta Clara, CAFounded in 2010, FocusKPI, Inc. Is a small Santa Clara, California-based data analytics company. Their team specializes in BI & big data consulting & SI.Read More
-
1112Undisclosed10 - 49 employeesIrvine, CAExcel and Access, LLC is a big data company founded in 1994. The team specializes in BI & big data consulting & SI and is located in Irvine, California and New York, New York.Read More
-
1113Undisclosed50 - 249 employeesPleasanton, CADotSolved Systems Inc. Is a data analytics company. They are in Pleasanton, California and have midsize team of experts. Their services include BI & big data consulting & SI and CRM consulting and SI.Read More
Industries
-
1114Undisclosed50 - 249 employeesLafayette, CATechExcel, Inc. Is a midsize IT strategy consulting company launched in 1992. Their services include IT strategy consulting and CRM consulting and SI.Read More
-
1115Undisclosed1,000 - 9,999 employeesSanta Clara, CAApexon is a big data company. They are located in Santa Clara, California and have large team. Their services include BI & big data consulting & SI and IT managed services.Read More
Industries
-
1116Undisclosed1,000 - 9,999 employeesSan Jose, CASpirent Communications is a Cybersecurity company in San Jose, California and Beijing, China. They offer Cybersecurity and IT managed services and were launched in 1936.Read More
-
1117Undisclosed50 - 249 employeesSan Ramon, CAProinf, an IT strategy consulting company, was launched in 2011. The team provides IT strategy consulting and Cybersecurity.Read More
-
1118Undisclosed50 - 249 employeesSan Francisco, CACloud consulting & SI company nOps.io is located in San Francisco, California. They focus on cloud consulting & SI and IT strategy consulting and were established in 2017.Read More
-
1119Undisclosed10 - 49 employeesLos Angeles, CAALT Consulting Ltd., a small IT strategy consulting company, is based in Los Angeles, California and Ottawa, Canada. The team provides IT strategy consulting.Read More
-
1120Undisclosed10 - 49 employeesSanta Clara, CAKloves Inc. Is an IT strategy consulting company. They are in Santa Clara, California, and their services include IT strategy consulting and UX/UI Design.Read More
Industries
-
1121Undisclosed50 - 249 employeesSan Francisco, CADesignMind is a big data company. The San Francisco, California-based company was established in 2005. Their team provides BI & big data consulting & SI.Read More
-
1122Undisclosed50 - 249 employeesOxnard, CAEstablished in 1987, Western Computer is a midsize big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
Industries
-
1123Undisclosed10 - 49 employeesSeaside, CABusiness intelligence company and CRM consulting and SI company dKomplex IT is located in Seaside, California. Their services include BI & big data consulting & SI and CRM consulting and SI.Read More
Industries
-
1124Undisclosed10 - 49 employeesBerkeley, CAFounded in 2005, CloudBase Services is a small cloud consulting & SI company. Their team offers cloud consulting & SI and BI & big data consulting & SI.Read More
-
1125Undisclosed2 - 9 employeesSunnyvale, CAVedRock Consulting is a small Sunnyvale, California-based business intelligence company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
-
1126Undisclosed10 - 49 employeesBurlingame, CAEnvisor is a cloud consulting & SI company. The agency is located in Burlingame, California. Their team provides cloud consulting & SI and BI & big data consulting & SI.Read More
-
1127Undisclosed1,000 - 9,999 employeesSunnyvale, CAXoriant is an UX agency launched in 1990. The company offers UX/UI Design and BI & big data consulting & SI, and is large.Read More
Industries
-
1128Undisclosed50 - 249 employeesPleasanton, CAShimento, Inc. Is an IT strategy consulting company established in 2009. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
Industries
-
1129Undisclosed10 - 49 employeesIrvine, CALaunched in 2019, MatrixPoint Consulting is a small Irvine, California-based IT strategy consulting company. Their services include IT strategy consulting.Read More
-
1130Undisclosed250 - 999 employeesFremont, CAAgama Solutions Inc is an Application Testing company. The Fremont, California-based company was launched in 2006. Their services include Application Testing and IT strategy consulting.Read More
Industries
-
1131Undisclosed50 - 249 employeesFremont, CADew Software is an IT strategy consulting company founded in 1997. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
Industries
-
1132Undisclosed250 - 999 employeesCupertino, CAR4Solutions Inc is a big data analytics company. The midsize Cupertino, California-based team specializes in BI & big data consulting & SI and cloud consulting & SI. The company was founded in 2007.Read More
-
1133Undisclosed1,000 - 9,999 employeesFolsom, CAAgreeYa Solutions is a web design company. The team offers Web Design and UX/UI Design and is in Folsom, California.Read More
Industries
-
1134Undisclosed50 - 249 employeesIrvine, CAKaygen Global Services Pvt Ltd is an Irvine, California-based data analytics company. The team focuses on BI & big data consulting & SI and IT strategy consulting.Read More
Industries
-
1135Undisclosed50 - 249 employeesSanta Clara, CAEITACIES Inc., a data analytics company, is located in Santa Clara, California. Founded in 2008, the team focuses on BI & big data consulting & SI and Custom Software Development.Read More
Industries
-
1136Undisclosed10 - 49 employeesSan Luis Obispo, CABig data company Gaine provides BI & big data consulting & SI. They were founded in 2007.Read More
-
1137Undisclosed50 - 249 employeesCupertino, CABoardwalktech is a data analytics company. Headquartered in Cupertino, California, the agency offers BI & big data consulting & SI and IT strategy consulting.Read More
Industries
-
1138Undisclosed2 - 9 employeesSan Diego, CAModern Analytics is a data analytics company. They are located in San Diego, California, and their services include BI & big data consulting & SI and Artificial Intelligence.Read More
Industries
-
1139Undisclosed10 - 49 employeesSan Dimas, CAAnand PAG Inc is a small CRM consulting and SI company located in San Dimas, California. The team offers CRM consulting and SI and BI & big data consulting & SI.Read More
-
1140Undisclosed1,000 - 9,999 employeesFoster City, CAFounded in 1999, Qualys is an IT strategy consulting and Cybersecurity company. The company provides IT strategy consulting and Cybersecurity.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 7 new reviews
- 14 6 new reviews
- 15 5 new reviews
