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.
List of the Best California IT Companies
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$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.
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$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
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541Undisclosed10 - 49 employeesSan Diego, CASmall Cybersecurity company SOCBOX, is based in San Diego, California. The team focuses on Cybersecurity.Read More
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542$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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543$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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544$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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545Undisclosed10 - 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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546Undisclosed10 - 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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547Undisclosed50 - 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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548$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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549$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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550Undisclosed10 - 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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551$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
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552Undisclosed2 - 9 employeesMurrieta, CAJust Smart Business Technologies, Inc. Is an IT managed services company established in 1988. Their team provides IT managed services and Cybersecurity.Read More
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553Undisclosed10 - 49 employeesLos Angeles, CAFounded in 2019, Togglr is a small Bengaluru, India-based cloud consulting & SI company. Their services include cloud consulting & SI and IT strategy consulting.Read More
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554Undisclosed10 - 49 employeesLake Forest, CAFirefly Telecom, an IT strategy consulting company, is located in Lake Forest, California. Their services include IT strategy consulting and cloud consulting & SI.Read More
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555$1,000+10 - 49 employeesPasadena, CANetready is a Cybersecurity company. The team offers Cybersecurity and IT managed services, and the company is based in Pasadena, California.Read More
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556Undisclosed2 - 9 employeesLos Angeles, CAEstablished in 2010, Macwest Data Recovery & Mac Repair is an IT managed services company. The small team provides IT managed services and other IT consulting and SI.Read More
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557$1,000+2 - 9 employeesLos Angeles, CARead More
Launched in 2015, nicwerks is a small IT managed services company. Their team focuses on IT managed services, IT strategy consulting, and cybersecurity. The agency is in Los Angeles, California.
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558$5,000+10 - 49 employeesLos Angeles, CASimplified IT Consulting is an IT managed services company. Founded in 2015, their team offers IT managed services and IT strategy consulting.Read More
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559Undisclosed2 - 9 employeesSan Francisco, CACumulus Vision is a CRM consulting and SI company established in 2012. The company offers CRM consulting and SI and cloud consulting & SI.Read More
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560Undisclosed2 - 9 employeesSan Ramon, CAEShield is an IT managed services company. They offer IT managed services and Cybersecurity and were established in 2001.Read More
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561Undisclosed2 - 9 employeesSan Diego, CACITS is a small IT managed services company located in San Diego, California. Their services include IT managed services and Cybersecurity.Read More
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562$1,000+50 - 249 employeesPleasanton, CAUnited Techno is an IT managed services company. Their midsize team is in Pleasanton, California and Toronto, Canada. Their services include IT managed services and cloud consulting & SI.Read More
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563Undisclosed2 - 9 employeesCarlsbad, CASigma Voice is an unified communications consulting & SI company. They provide unified communications consulting & SI and were launched in 2004. The firm is headquartered in Carlsbad, California.Read More
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564Undisclosed2 - 9 employeesSan Diego, CABased in San Diego, California, Regala Consulting is a small IT strategy consulting company. Their services include IT strategy consulting and other IT consulting and SI.Read More
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565Undisclosed2 - 9 employeesSan Diego, CAKingsGuard is a Cybersecurity company. They provide Cybersecurity and IT managed services and were founded in 2022.Read More
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566Undisclosed2 - 9 employeesCampbell, CAHeroic Technologies, an IT managed services company, was founded in 2011. The firm offers IT managed services and Cybersecurity.Read More
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567$5,000+10 - 49 employeesLos Angeles, CAClearmind Technology, Inc. Is an IT managed services company. They were established in 2011 and specialize in IT managed services and IT strategy consulting.Read More
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568$1,000+2 - 9 employeesOakland, CAStateWP is a Cybersecurity company. Their small team is headquartered in Oakland, California. Their services include Cybersecurity and IT managed services.Read More
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569$1,000+2 - 9 employeesCompton, CARead More
Blue Network, Inc. Is a IT strategy consulting company. Founded in 2010, the team provides IT strategy consulting, cloud consulting & SI, IT managed services, web development, and more. Their small firm is Compton, California-based.
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570$1,000+10 - 49 employeesCupertino, CATek-Connect is an IT strategy consulting company. Based in Cupertino, California, the team offers IT strategy consulting and Custom Software Development.Read More
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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.
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