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.
List of the Best California IT Companies
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301$50,000+10 - 49 employeesLake Forest, CALaminar Consulting Services Inc. Is a small software development company. The Lake Forest, California-based company was founded in 2005. Their services include Custom Software Development, Application Testing, Enterprise App Modernization, cloud consulting & SI, and more.Read More
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ExemplisIndustries
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302$10,000+10 - 49 employeesFoster City, CARead More
Software development firm MugCo was founded in 2020. The small Pleasanton, California-based team specializes in custom software development, e-commerce development, web development, cloud consulting & SI, and more.
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303$10,000+10 - 49 employeesSan Francisco, CAIAppSys, a cloud consulting & SI company, provide cloud consulting & SI and IT managed services. They were launched in 2007.Read More
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304$10,000+10 - 49 employeesSan Diego, CARead More
Wired Avenue is a digital agency in San Diego. Founded in 2002, they have fewer than 5 employees that serve clients in a wide variety of industries. Services include web development, mobile app development, and custom software development.
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305Undisclosed10 - 49 employeesUpland, CALogistics & Supply Chain Consulting company Group50 is in Upland, California. They focus on Logistics & Supply Chain Consulting and IT strategy consulting.Read More
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306$5,000+50 - 249 employeesSanta Fe Springs, CAAtQor is a business intelligence company. The midsize Ahmedabad, India-based team focuses on BI & big data consulting & SI and cloud consulting & SI. The firm was launched in 2002.Read More
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307$1,000+10 - 49 employeesLake Forest, CAFounded in 2009, Squeeze Technology, Inc. Is an IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI.Read More
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308$25,000+50 - 249 employeesDublin, CACloud consulting & SI company Opkey focuses on cloud consulting & SI. They are based in Dublin, California.Read More
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309Undisclosed10 - 49 employeesSacramento, CATeamLogic IT is an IT managed services company established in 2017. Located in Sacramento, California and Sacramento, California, the team specializes in IT managed services and Cybersecurity.Read More
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310$5,000+10 - 49 employeesLos Angeles, CARead More
Founded in 2008, Platform Purple, Inc. is headquartered in Los Angeles with another location in Chicago. Their team os 12 employees provides custom software development, mobile app development, and e-commerce development services for enterprise, midmarket, and small businesses. They focus on e-commerce, health care, medical, and retail industries.
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Alfred VideoIndustries
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311$1,000+10 - 49 employeesSan Diego, CANetwork Titan is an IT managed services company. The team is based in San Diego, California, and their services include IT managed services and cloud consulting & SI.Read More
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312$5,000+1,000 - 9,999 employeesSan Jose, CARead More
ACL Digital is an user experience company located in San Jose, California and Bengaluru, India. The large agency was launched in 1992. Their team specializes in ux/ui design, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, and more.
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313Undisclosed250 - 999 employeesSan Clemente, CAFounded in 2021, Bluewave Technology Group is a midsize IT strategy consulting company. Their team focuses on IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, Cybersecurity, and more. The firm is in San Clemente, California.Read More
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314Undisclosed50 - 249 employeesRedondo Beach, CAIn Redondo Beach, California; Hermosa Beach, California; New York, New York and Palo Alto, California, Silicon Prime AI is a midsize AI Agents company. They specialize in AI Agents, AI Consulting, Custom Software Development, Artificial Intelligence, and more and were established in 2011.Read More
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315$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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316Undisclosed10 - 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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317$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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318$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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319Undisclosed10 - 49 employeesFolsom, CAAnvaya Solutions is a Cybersecurity company. Headquartered in Folsom, California, their small team offers Cybersecurity and other IT consulting and SI. The company was founded in 2007.Read More
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320$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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321$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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322Undisclosed10 - 49 employeesMountain View, CAClodura.AI is a small Mountain View, California-based Market Research company. They offer Market Research, Email Marketing, and CRM consulting and SI and were established in 2015.Read More
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323$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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324$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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325$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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326$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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327$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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328Undisclosed2 - 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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329Undisclosed10 - 49 employeesTemecula, CAEstablished in 2024, Clipy is an IT strategy consulting company. They are headquartered in Temecula, California and have a small team. Their services include IT strategy consulting, Web Design, Custom Software Development, AI Consulting, and more.Read More
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330$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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