Top 100 IT Services Companies in California
The Best of April 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.
List of the Best California IT Companies
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301$1,000+10 - 49 employeesHacienda Heights, CAIT strategy consulting company Alpha & Omega Computer Inc. Is headquartered in Hacienda Heights, California. They specialize in IT strategy consulting and IT managed services.Read More
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302Undisclosed10 - 49 employeesVentura, CAIdeal Security and Technology, an IT managed services company, is headquartered in Ventura, California. The team focuses on IT managed services and cloud consulting & SI.Read More
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303$1,000+50 - 249 employeesCampbell, CAClickAway IT Services is a Campbell, California-based IT managed services company. They focus on IT managed services and IT staff augmentation and were established in 2002.Read More
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304$1,000+10 - 49 employeesBrea, CAUbisec Systems, Inc. Is a small IT managed services company based in Brea, California and Los Angeles, California. Their services include IT managed services and cloud consulting & SI.Read More
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305$5,000+10 - 49 employeesHealdsburg, CAFusion Technology Solutions LLC is an IT strategy consulting company. Headquartered in Healdsburg, California, their team specializes in IT strategy consulting and cloud consulting & SI.Read More
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306$5,000+10 - 49 employeesSan Diego, CARead More
Pact-One Solutions, LLC, a IT managed services company, is headquartered in Las Vegas, Nevada; San Diego, California; Pasadena, California and Lake Oswego, Oregon. The small team focuses on IT managed services, cybersecurity, IT strategy consulting, other IT consulting and SI, and more and was founded in 2003.
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307$5,000+10 - 49 employeesIrvine, CAArbela Technologies is a CRM consulting and SI company. They specialize in CRM consulting and SI and ERP consulting and SI and are headquartered in Irvine, California and Los Angeles, California.Read More
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SmartDrive SystemsIndustries
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308$25,000+50 - 249 employeesSanta Clarita, CARead More
Founded in 2010, Advancio is a custom software development company. The agency provides custom software development, IT staff augmentation, non-voice bpo/back office services, enterprise app modernization, and more and has a midsize team.
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309$10,000+50 - 249 employeesSan Jose, CALaunched in 2001, OpalForce is a cloud consulting & SI company. The midsize team offers cloud consulting & SI.Read More
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310$5,000+10 - 49 employeesSan Diego, CAApphienz, a small CRM consulting and SI company, is based in San Diego, California and Mumbai, India. Their services include CRM consulting and SI and Custom Software Development.Read More
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311$10,000+10 - 49 employeesSan Ramon, CACloudperitus, an IT strategy consulting company, is headquartered in San Ramon, California. They focus on IT strategy consulting and cloud consulting & SI and were launched in 2020.Read More
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312Undisclosed2 - 9 employeesSan Jose, CAMyers Network Solutions is a cloud consulting & SI company. They are based in San Jose, California and have small team. They focus on cloud consulting & SI and IT managed services.Read More
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313$1,000+2 - 9 employeesSan Jose, CAEstablished in 2019, LOGIQ is an IT managed services company. The agency focuses on IT managed services, and is small.Read More
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314Undisclosed50 - 249 employeesCeres, CAMidsize IT managed services and AI firm IntelliSite, is headquartered in Fort Mill, South Carolina and Ceres, California. Their services include IT managed services and Artificial Intelligence.Read More
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315$5,000+10,000+ employeesSunnyvale, CAFounded in 1992, NetApp is a large big data company. Their team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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316$10,000+1,000 - 9,999 employeesSan Francisco, CAAKQA is a CRM consulting and SI company. In San Francisco, California and London, England, the firm was founded in 1994. Their team provides CRM consulting and SI and E-Commerce Development.Read More
Clients
NikeIndustries
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317$5,000+250 - 999 employeesSan Jose, CAFounded in 2004, Netenrich, Inc. Is a Cybersecurity company. The team specializes in Cybersecurity and cloud consulting & SI.Read More
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318Undisclosed50 - 249 employeesSanta Barbara, CAOntraport is a CRM consulting and SI company. The Santa Barbara, California-based company was launched in 2008. Their team provides CRM consulting and SI and Email Marketing.Read More
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319Undisclosed10,000+ employeesAliso Viejo, CAUST is a Market Research company. The team is based in Aliso Viejo, California, and their services include Market Research and Digital Strategy.Read More
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320$10,000+250 - 999 employeesSan Diego, CAVerimatrix is a Cybersecurity company. Located in San Diego, California and Meyreuil, France, the agency focuses on Cybersecurity.Read More
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321Undisclosed10 - 49 employeesPalo Alto, CAAnjuna Security, Inc. Is a Palo Alto, California-based IT strategy consulting company. They provide IT strategy consulting and cloud consulting & SI.Read More
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322$5,000+50 - 249 employeesRiverside, CADonWeb is an Email Marketing and IT managed services company. Founded in 2002, their team provides Email Marketing and IT managed services.Read More
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323Undisclosed250 - 999 employeesSan Diego, CAESET is a Cybersecurity company. Headquartered in San Diego, California, their midsize team focuses on Cybersecurity. The agency was established in 1992.Read More
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324$5,000+10 - 49 employeesLos Angeles, CASmogu.Studio is a small sales outsourcing company. Based in Tel Aviv-Yafo, Israel, the agency was founded in 2022. Their team specializes in sales outsourcing, market research, and IT strategy consulting.Read More
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325Undisclosed2 - 9 employeesCarlsbad, CAMytek Pros is an IT managed services company headquartered in Carlsbad, California. The firm offers IT managed services, IT strategy consulting, cybersecurity, other IT consulting and SI, and more and has a small team.The firm was founded in 2019.Read More
Clients
Community HousingWorks Conam Property Management Wakeland Housing Linc HousingIndustries
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326$5,000+10 - 49 employeesIrvine, CAKaufmanIT, Inc. Is an IT managed services company. The small Irvine, California-based team focuses on IT managed services and cloud consulting & SI. The agency was launched in 2010.Read More
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327$10,000+50 - 249 employeesRocklin, CABlast Analytics & Marketing is a data analytics company. They were established in 1999 and specialize in BI & big data consulting & SI and Conversion Optimization.Read More
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328$1,000+10 - 49 employeesSan Ramon, CAAquilaclouds Inc, a cloud consulting & SI company, was founded in 2017. The team provides cloud consulting & SI and BI & big data consulting & SI.Read More
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329$1,000+10 - 49 employeesSunnyvale, CALocated in Sunnyvale, California, Belkasoft is a Cybersecurity company. The team offers Cybersecurity and Artificial Intelligence.Read More
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330$100,000+10 - 49 employeesOakland, CARead More
Idea2Form is a full-service collaborative design studio founded in 2018 and based in Oakland, Calif. Their team of more than 10 offers branding, social media marketing, and web design solutions to clients that work in industries such as nonprofit, education, and arts.
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Emerson CollectiveIndustries
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