Top 100 IT Services Companies in California
The Best of September 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.
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List of the Best California IT Companies
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571$75,000+50 - 249 employeesMission Viejo, CAFounded in 2011, Trevera Solutions, Inc. Is a midsize IT managed services company. Their team focuses on IT managed services and IT staff augmentation.Read More
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572$25,000+50 - 249 employeesBurbank, CAAvance Tech Solutions, Inc is an IT managed services company. The Burbank, California-based agency was launched in 1999. Their services include IT managed services and Cybersecurity.Read More
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573Undisclosed2 - 9 employeesRedlands, CATechnolene Solutions, Inc. Is a small IT managed services company. They specialize in IT managed services and IT strategy consulting and were launched in 2009.Read More
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574Undisclosed10 - 49 employeesLos Angeles, CATech Kooks is an IT managed services company headquartered in Los Angeles, California. They specialize in IT managed services and cloud consulting & SI and were founded in 2022.Read More
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575Undisclosed50 - 249 employeesBurbank, CAOptara is a Cybersecurity company in Burbank, California. They offer Cybersecurity and Compliance Consulting.Read More
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576$5,000+1,000 - 9,999 employeesPalo Alto, CAIT strategy consulting company C Ahead Digital is located in Palo Alto, California and Mumbai, India. Launched in 2004, the team provides IT strategy consulting and Internet & Technology Law.Read More
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577$1,000+50 - 249 employeesFremont, CABased in Fremont, California, InfoSpeed Services Inc. Is a Staffing company. Their services include Staffing and IT managed services.Read More
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578$1,000+250 - 999 employeesSan Mateo, CAERP consulting and SI company Folio3 Agtech was established in 2005. The agency specializes in ERP consulting and SI and Custom Software Development.Read More
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579Undisclosed50 - 249 employeesSan Jose, CAMotivIT, LLC is an IT managed services company. They were established in 2002, and their services include IT managed services and Web Development.Read More
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580$10,000+2 - 9 employeesEscondido, CABased in Escondido, California, BuildLab Consulting is an advertising company. The small team specializes in advertising, branding, logo, cybersecurity, and more and was established in 2022.Read More
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581$1,000+10 - 49 employeesSan Francisco, CAVentura Tech Inc., an IT managed services company, is headquartered in San Francisco, California. The team offers IT managed services and Cybersecurity.Read More
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582$5,000+10 - 49 employeesLos Angeles, CALaunched in 2000, Xperts Unlimited Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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583$5,000+10 - 49 employeesNewport Beach, CAUS ProTech is a Cybersecurity company. They provide Cybersecurity and IT managed services and were launched in 1999. The agency is headquartered in Newport Beach, California.Read More
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584$1,000+10 - 49 employeesLos Angeles, CAFOTHION is a small Los Angeles, California-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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585$1,000+2 - 9 employeesCalabasas, CALast Line Solutions, Inc is an IT managed services company located in Calabasas, California. They specialize in IT managed services and cloud consulting & SI and were launched in 2001.Read More
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586$25,000+10 - 49 employeesSan Diego, CAOhanaOne, a CRM consulting and SI company, focuses on CRM consulting and SI and Application Management & Support. The firm is headquartered in San Diego, California.Read More
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587$1,000+10 - 49 employeesHuntington Beach, CALaunched in 2019, Rootpal is a cloud consulting & SI company. The small team offers cloud consulting & SI and IoT development.Read More
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588$1,000+10 - 49 employeesLos Angeles, CAIn Los Angeles, California, ION AVT Inc. Is an IT managed services company. They specialize in IT managed services and other IT consulting and SI and were launched in 2010.Read More
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589$5,000+10 - 49 employeesIrvine, CAEPossible is an IT managed services company established in 1998. The agency specializes in IT managed services and Cybersecurity, and is small.Read More
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590Undisclosed10 - 49 employeesSan Diego, CASmall Cybersecurity company SOCBOX, is based in San Diego, California. The team focuses on Cybersecurity.Read More
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591$5,000+Freelancer employeesSimi Valley, CAECM consulting and SI company SharePoint/O365 Pros provides ECM consulting and SI and IT strategy consulting. They were launched in 2004.Read More
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592$1,000+10 - 49 employeesLos Angeles, CAHealthtechIT is an IT managed services company. Based in Los Angeles, California, the agency was launched in 2007. Their services include IT managed services and IT strategy consulting.Read More
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593$1,000+2 - 9 employeesEscondido, CAHeadquartered in Escondido, California, Fridell Solutions is an IT managed services company. They offer IT managed services and IT strategy consulting.Read More
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594Undisclosed10 - 49 employeesEmeryville, CATechs On Call LLC is an IT managed services company. Founded in 1995, the agency is based in Emeryville, California. Their team offers IT managed services.Read More
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595Undisclosed10 - 49 employeesOceanside, CAFounded in 2008, NetPro is an IT managed services company. The team offers IT managed services and Cybersecurity and is based in Oceanside, California.Read More
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596Undisclosed50 - 249 employeesFremont, CALaunched in 2017, Ratna Global Tech is a midsize IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
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597$1,000+2 - 9 employeesArcadia, CALaunched in 2020, Future Age Technologies is an IT managed services company. Their team provides IT managed services and Cybersecurity.Read More
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598$1,000+10 - 49 employeesLos Angeles, CAIQV Cloud is a Cybersecurity company. The Los Angeles, California-based firm was founded in 2012. Their services include Cybersecurity and BI & big data consulting & SI.Read More
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599Undisclosed10 - 49 employeesBerkeley, CAEnnube Solutions, a big data company, is headquartered in Berkeley, California and Quito, Ecuador. They specialize in BI & big data consulting & SI and CRM consulting and SI and were launched in 2016.Read More
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600$1,000+10 - 49 employeesFremont, CAEstablished in 2008, Big Data Trunk is a business intelligence company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
Industries
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
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