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.
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List of the Best California IT Companies
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$10,000+50 - 249 employeesL'viv, UkraineRead More
Founded in 2019, Uinno is an artificial intelligence firm. The midsize team specializes in Artificial Intelligence, Custom Software Development, Low/No Code Development, UX/UI Design, and more. The company is based in L'viv, Ukraine; Tallinn, Estonia; Kingston upon Thames, England and Zaporizhzhia, Ukraine.
Industries
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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
Industries
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1321$5,000+2 - 9 employeesGlendale, CAInverselogic, Inc is an e-commerce development firm launched in 1998. The team provides E-Commerce Development and Marketing Strategy and is headquartered in Glendale, California.Read More
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1322Undisclosed10 - 49 employeesSan Francisco, CAPace Harmon is a small IT strategy consulting and Business Consulting company headquartered in San Francisco, California. Their services include IT strategy consulting and Business Consulting.Read More
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1323Undisclosed10 - 49 employeesSan Diego, CAAlliant Consulting, Inc., a small CRM consulting and SI and Business Consulting company, is based in San Diego, California. Their services include CRM consulting and SI and Business Consulting.Read More
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1324Undisclosed10 - 49 employeesSacramento, CAThe Highlands Consulting Group LLC is a Digital Strategy company. Their team is headquartered in Sacramento, California. The company offers Digital Strategy and IT managed services.Read More
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1325Undisclosed10 - 49 employeesIrvine, CAStrativa is an IT strategy consulting company founded in 2000. The agency provides IT strategy consulting and Cybersecurity, and is small.Read More
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1326Undisclosed10 - 49 employeesFresno, CALaunched in 2015, Xobee Networks is a small call center in Fresno, California. Their team specializes in Call Center Services and cloud consulting & SI.Read More
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1327Undisclosed10 - 49 employeesMillbrae, CAAppBuddy, an UX agency and CRM consulting and SI company, is based in Millbrae, California. Founded in 2009, the team offers UX/UI Design and CRM consulting and SI.Read More
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1328Undisclosed10 - 49 employeesRedwood City, CATOPO, a CRM consulting and SI and Market Research company, focus on CRM consulting and SI and Market Research. They were launched in 2013.Read More
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1329Undisclosed10 - 49 employeesRedwood City, CABased in Redwood City, California, Pinn is an artificial intelligence development company and Cybersecurity company. The team offers Artificial Intelligence and Cybersecurity.Read More
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1330Undisclosed10 - 49 employeesRedwood City, CADSI Global is a small AI firm based in Redwood City, California. The team focuses on Artificial Intelligence and BI & big data consulting & SI.Read More
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1331Undisclosed10 - 49 employeesRichmond, CADeepThink Health, an artificial intelligence company and data analytics company, was established in 2018. The team provides Artificial Intelligence and BI & big data consulting & SI.Read More
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1332Undisclosed10 - 49 employeesFremont, CACA-One Tech Cloud Inc., a big data analytics company, is based in Fremont, California. Their services include BI & big data consulting & SI and Mobile App Development.Read More
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1333Undisclosed10 - 49 employeesSan Francisco, CATelegraph Hill Software is a San Francisco, California-based AI development company and big data analytics company. The team offers Artificial Intelligence and BI & big data consulting & SI.Read More
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1334Undisclosed10 - 49 employeesMonrovia, CAWTC Consulting LLC is a Monrovia, California-based IT managed services company. The team provides IT managed services and Market Research.Read More
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1335Undisclosed10 - 49 employeesGlendale, CACompass365, a cloud consulting & SI company, was established in 1986. Located in Glendale, California, the team specializes in cloud consulting & SI and ECM consulting and SI.Read More
Industries
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1336Undisclosed10 - 49 employeesSan Diego, CAABW Medical is an IT strategy consulting and AI company headquartered in San Diego, California. Established in 2019, the team offers IT strategy consulting and Artificial Intelligence.Read More
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1337Undisclosed10 - 49 employeesLos Gatos, CACarabiner Group is a Los Gatos, California-based CRM consulting and SI and Business Consulting company. They provide CRM consulting and SI and Business Consulting and were established in 2017.Read More
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1338Undisclosed10 - 49 employeesSan Francisco, CAFounded in 2019, Brick Lane is a small CRM consulting and SI and e-commerce development firm based in San Francisco, California. Their team focuses on CRM consulting and SI and E-Commerce Development.Read More
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1339Undisclosed10 - 49 employeesTorrance, CACelerium is a Cybersecurity and Compliance Consulting company. The Torrance, California-based agency offers Cybersecurity and Compliance Consulting.Read More
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1340Undisclosed10 - 49 employeesSan Francisco, CATruvantis, Inc. Is a Cybersecurity and Compliance Consulting company launched in 2010. The team offers Cybersecurity and Compliance Consulting.Read More
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1341Undisclosed10 - 49 employeesEl Segundo, CACloud consulting & SI company CAYS was established in 2015. The agency provides cloud consulting & SI and IT managed services, and is small.Read More
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1342Undisclosed10 - 49 employeesSanta Clara, CAIT Management Corporation is a Santa Clara, California-based IT strategy consulting company. Their services include IT strategy consulting and Digital Strategy.Read More
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1343$25,000+50 - 249 employeesIrvine, CAFounded in 2007, Codazen is a software development company. Their services include Custom Software Development and Enterprise App Modernization.Read More
Industries
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1344$50,000+1,000 - 9,999 employeesSan Francisco, CARead More
Bluewolf is a global Salesforce consulting agency based in New York, with offices in San Francisco, Boston, Atlanta, and London. Founded in 2000, their team of about 1,200 employees provides services for enterprise and mid-market businesses. They specialize in CRM consulting, IT managed services, system information, and cloud consulting.
Clients
Stanley Black & DeckerIndustries
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1345$5,000+2 - 9 employeesFremont, CACloud consulting & SI company CLARITY TECH LLC focuses on cloud consulting & SI and Custom Software Development. They were founded in 2022.Read More
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1346$1,000+2 - 9 employeesSan Bruno, CASysnatics, an Internet & Technology Law company, specialize in Internet & Technology Law and IT managed services. They were launched in 2025.Read More
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1347$100,000+10 - 49 employeesSan Diego, CAMoxeHub is a small web development firm established in 2018. Their team offers Web Development and Mobile App Development.Read More
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1348$10,000+10 - 49 employeesSan Diego, CAXonique is an artificial intelligence firm established in 2010. Their team provides Artificial Intelligence and Generative AI.Read More
Industries
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1349Undisclosed10 - 49 employeesAnaheim, CAAdvertising company CrosLinks specializes in Advertising and Conversion Optimization. They are in Anaheim, California.Read More
Industries
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1350Undisclosed10 - 49 employeesSan Francisco, CABeFreed is an IT managed services company. The agency is located in San Francisco, California. Their team focuses on IT managed services and Artificial Intelligence.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.
Most Reviewed
IT Services Company
California
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