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
-
$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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
-
1651Undisclosed2 - 9 employeesSan Francisco, CALaunched in 2012, Netronian Inc. Is a website development firm. Located in Miami, Florida and New York, New York, the team specializes in Web Development and Mobile App Development.Read More
-
1652Undisclosed2 - 9 employeesMountain View, CAFounded in 2000, Vayusphere is an artificial intelligence development company. The team specializes in Artificial Intelligence and IT strategy consulting and is based in Mountain View, California.Read More
-
1653Undisclosed2 - 9 employeesCarlsbad, CAFounded in 1999, Lynch Interactive, Inc. Is a business intelligence company. The agency provides BI & big data consulting & SI and IT managed services.Read More
-
1654Undisclosed2 - 9 employeesSan Clemente, CANavfeas, Inc. Is a software development company. Based in San Clemente, California, the agency was founded in 2021. Their team specializes in Custom Software Development and Computer Engineering.Read More
Industries
-
1655Undisclosed2 - 9 employeesTustin, CARVVR AI is an artificial intelligence company. In Tustin, California, their small team specializes in Artificial Intelligence and IT strategy consulting. The company was launched in 2021.Read More
Industries
-
1656$1,000+250 - 999 employeesSacramento, CARead More
Headquartered in South Jordan, Utah; Roseville, California; Elk Grove, California and Seattle, Washington, Executech is an IT managed services company. The midsize firm was established in 1999. Their services include IT managed services, cloud consulting & SI, cybersecurity, IT strategy consulting, and more.
Industries
-
1657$25,000+250 - 999 employeesMilpitas, CAVeltris is a big data analytics company based in Milpitas, California; Hyderabad, India and Hyderabad, India. The midsize agency was launched in 2023. Their team provides BI & big data consulting & SI, ux/ui design, product design, custom software development, and more.Read More
-
1658Undisclosed2 - 9 employeesSan Diego, CAThe Agency Guy, Inc, an IT strategy consulting and Business Consulting company, was established in 2014. They offers IT strategy consulting and Business Consulting.Read More
-
1659$1,000+Freelancer employeesWest Covina, CAKeeter Technical Service Company LLC is a small Cybersecurity company. Launched in 1992, the team focuses on Cybersecurity and IT strategy consulting.Read More
-
1660UndisclosedFreelancer employeesLos Angeles, CAEstablished in 2022, LSCP is a Cybersecurity company. The small team specializes in Cybersecurity.Read More
-
1661$1,000+Freelancer employeesSan Jose, CAExpert it TechSupport Services - ustechsupportx.com is a San Jose, California-based other IT consulting and SI company. They offer other IT consulting and SI and IT managed services.Read More
-
1662$250,000+10 - 49 employeesSan Francisco, CAEstablished in 2023, RoamNook is a small IT strategy consulting company. Their team provides IT strategy consulting and cloud consulting & SI.Read More
-
1663$1,000+2 - 9 employeesTemecula, CAIronguard IT is an IT strategy consulting company. Launched in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
-
1664$1,000+2 - 9 employeesCerritos, CABefore The Future is a small Cybersecurity company headquartered in Cerritos, California. Their services include Cybersecurity and IT strategy consulting.Read More
-
1665Undisclosed10 - 49 employeesLong Beach, CAProdevconsultsph, a website development firm, is located in Long Beach, California and Taguig, Philippines. Launched in 2021, the team offers Web Development and Web Design.Read More
-
1666Undisclosed10 - 49 employeesSan Ramon, CAManex Consulting is a Cybersecurity company established in 1995. The firm specializes in Cybersecurity and Business Consulting.Read More
-
1667Undisclosed10 - 49 employeesRedding, CACRM consulting and SI company SyncApps by Cazoomi was launched in 2009. The team focuses on CRM consulting and SI and E-Commerce Development and is based in Redding, California.Read More
-
1668Undisclosed10 - 49 employeesRedwood City, CAAUG.global is an AI company. The Redwood City, California-based team offers Artificial Intelligence and BI & big data consulting & SI.Read More
-
1669Undisclosed10 - 49 employeesSanta Monica, CADynamicweb NA is a Content Marketing company launched in 2011. The company provides Content Marketing and CRM consulting and SI.Read More
-
1670Undisclosed10 - 49 employeesEl Cerrito, CAIn El Cerrito, California, Ezepo is a small branding agency. The team specializes in Branding and Marketing Strategy.Read More
-
1671Undisclosed10 - 49 employeesIrvine, CACAL2CAL Corporation is a software development firm. They were established in 1996 and offer Custom Software Development and Corporate Training & Coaching.Read More
-
1672Undisclosed10 - 49 employeesLos Angeles, CADT Professional Services, LLC is a cloud consulting & SI company. The firm is based in Los Angeles, California. Their services include cloud consulting & SI and Mobile App Development.Read More
-
1673Undisclosed10 - 49 employeesPleasanton, CACrestPoint Solutions, an IT managed services company, was founded in 2000. The team offers IT managed services and Custom Software Development.Read More
-
1674Undisclosed10 - 49 employeesSan Diego, CAEstablished in 2017, JopeConnect is a small big data company. Their services include BI & big data consulting & SI and Custom Software Development.Read More
-
1675Undisclosed10 - 49 employeesMilpitas, CALokiBots, a cloud consulting & SI company, specialize in cloud consulting & SI and Blockchain. They were launched in 2018.Read More
Industries
-
1676$10,000+50 - 249 employeesManhattan Beach, CACybersecurity company Gurucul is in Manhattan Beach, California and Mumbai, India. They focus on Cybersecurity and BI & big data consulting & SI and were founded in 2010.Read More
Industries
-
1677Undisclosed2 - 9 employeesRedwood City, CABarnet Associates is a small Ridgefield, Connecticut-based CRM consulting and SI company. The team offers CRM consulting and SI and Custom Software Development.Read More
-
1678$25,000+250 - 999 employeesSan Jose, CAIntegrated Technology Group, an ERP consulting and SI company, was established in 1989. The company provides ERP consulting and SI and BI & big data consulting & SI.Read More
Clients
Ministry of education/KSA, Ministry of education in/Bahrain, GUtech/Oman, Ministry of Culture/ JordanIndustries
-
1679Undisclosed50 - 249 employeesBellevue, WALogic20/20, an IT strategy consulting company, was founded in 2005. They provides IT strategy consulting and Artificial Intelligence.Read More
-
1680$25,000+50 - 249 employeesIrvine, CALaunched in 1997, Burwood Group, Inc. Is a midsize cloud consulting & SI company. Their team offers cloud consulting & SI and unified communications consulting & SI.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
