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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2101$1,000+Freelancer employeesCupertino, CAControva LLC is an AI Consulting company based in Cupertino, California. They provide AI Consulting and IT managed services and were launched in 2025.Read More
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2102$25,000+50 - 249 employeesLos Angeles, CAUniqcli, a Marketing Strategy company, was launched in 2017. They are headquartered in Chicago, Illinois; Los Angeles, California; Philadelphia, Pennsylvania and Raleigh, North Carolina and have a midsize team. Uniqcli focuses on Marketing Strategy, cloud consulting & SI, Low/No Code Development, IT strategy consulting, and more.Read More
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2103$1,000+10 - 49 employeesSan Ramon, CAFRAXNET.COM, an ERP consulting and SI company, was launched in 2003. They offers ERP consulting and SI and IT strategy consulting.Read More
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2104Undisclosed10 - 49 employeesWest Hollywood, CAFounded in 2001, Think IT Solutions is an IT managed services company. The team focuses on IT managed services and other IT consulting and SI and is in Harvey, Louisiana and Frederick, Maryland.Read More
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2105$25,000+10 - 49 employeesLos Angeles, CASpring2 Technologies, a custom software development company, offers Custom Software Development and CRM consulting and SI. The firm is headquartered in Sandy, Utah and Los Angeles, California.Read More
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2106Undisclosed10 - 49 employeesMorgan Hill, CASmall ERP consulting and SI company Nextstep Technology, Inc, is headquartered in Springfield, Virginia and Morgan Hill, California. The team focuses on ERP consulting and SI and Cybersecurity.Read More
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2107$1,000+50 - 249 employeesLos Angeles, CAWexpand is a Staffing company launched in 2019. Their midsize team is headquartered in Guadalajara, Mexico and Los Angeles, California. The firm focuses on Staffing, HR Outsourcing, PEO/Employee Leasing, Employer of Record (EOR) Services, and more.Read More
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2108Undisclosed10 - 49 employeesIrvine, CAXcelocloud Inc. Is an IT strategy consulting company. Their small team is based in Irvine, California and Chicago, Illinois and focuses on IT strategy consulting. The company was founded in 2017.Read More
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2109$10,000+50 - 249 employeesMountain View, CARead More
Forgeahead Solutions is an IT staff augmentation and custom software development company. Established in 1999, the firm is in Mountain View, California; Burnaby, Canada and Pune, India. The midsize team offers IT staff augmentation and custom software development.
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2110$1,000+Freelancer employeesLathrop, CAIT strategy consulting company Strategia-X is in Lathrop, California. Their services include IT strategy consulting and cloud consulting & SI.Read More
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2111$25,000+10 - 49 employeesSanta Clara, CAProduct Design company Sequoia Applied Technologies was launched in 2016. The company specializes in Product Design and IT strategy consulting.Read More
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2112Undisclosed1,000 - 9,999 employeesSan Jose, CAQuantiphi is a Market Research company founded in 2013. The firm offers Market Research and IT strategy consulting, and is large.Read More
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2113Undisclosed50 - 249 employeesPalo Alto, CALaunched in 2013, Data Theorem, Inc. Is an app development firm. Their team focuses on Mobile App Development and IT strategy consulting.Read More
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2114$50,000+10 - 49 employeesNorth Highlands, CAGoteco is a custom software development company. Their small team is located in Kyiv, Ukraine and North Highlands, California and specializes in Custom Software Development, BI & big data consulting & SI, CRM consulting and SI, ERP consulting and SI, and more. The company was launched in 2023.Read More
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2115$10,000+10 - 49 employeesSan Francisco, CAArtificial intelligence firm dtLabs is based in Bauru, Brazil and San Francisco, California. They offer Artificial Intelligence and AI Consulting and were established in 2018.Read More
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2116Undisclosed2 - 9 employeesSacramento, CAEnterprise App Modernization company Lume Consulting Group is in Sacramento, California. Established in 2018, the team focuses on Enterprise App Modernization and BI & big data consulting & SI.Read More
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2117Undisclosed50 - 249 employeesSacramento, CANuMSP, an IT managed services company, specialize in IT managed services and other IT consulting and SI. They were launched in 2018.Read More
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2118$5,000+10 - 49 employeesPasadena, CAKeDA Tech is a small ERP consulting and SI company. They provide ERP consulting and SI and Custom Software Development and were founded in 2018.Read More
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2119Undisclosed10 - 49 employeesSanta Clara, CATiger Analytics is a Business Consulting company launched in 2010. Their team provides Business Consulting and Marketing Strategy.Read More
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2120$10,000+50 - 249 employeesSunnyvale, CAIT strategy consulting company TransformHub was established in 2019. The team specializes in IT strategy consulting and UX/UI Design and is based in Singapore, Singapore and Sunnyvale, California.Read More
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2121Undisclosed50 - 249 employeesIrvine, CAOnica by Rackspace Technology, a midsize big data analytics company, is located in Toronto, Canada and Irvine, California. The team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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2122Undisclosed10 - 49 employeesLong Beach, CACloud Advisory LLC is an application development company founded in 2011. The small team offers Mobile App Development and Web Development.Read More
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2123$1,000+Freelancer employeesIrvine, CARevlix, LLC is a CRM consulting and SI company. Established in 2023, the team specializes in CRM consulting and SI and Web Design.Read More
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2124Undisclosed50 - 249 employeesOakland, CAEstablished in 2002, Nagnoi, LLC is a midsize Business Consulting company in San Juan, Puerto Rico and Oakland, California. Their team provides Business Consulting and BI & big data consulting & SI.Read More
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2125Undisclosed2 - 9 employeesSan Francisco, CAConichiwa is a Business Consulting company launched in 2017. Their services include Business Consulting and Custom Software Development.Read More
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2126Undisclosed2 - 9 employeesLos Angeles, CAEstablished in 2023, Pro Brain Solutions is a SEO agency. The small team offers Search Engine Optimization and IT managed services.Read More
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2127Undisclosed2 - 9 employeesSacramento, CABusiness Consulting company Connect Consulting Services is headquartered in Sacramento, California. Their services include Business Consulting and IT managed services.Read More
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2128Undisclosed2 - 9 employeesStockton, CAFounded in 2017, Hosting Ocean is a small IT managed services company based in Stockton, California. Their team focuses on IT managed services and Web Development.Read More
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2129Undisclosed2 - 9 employeesLos Angeles, CAIn Los Angeles, California, Heed Risk Management is a Cybersecurity company. They offer Cybersecurity and Compliance Consulting and were founded in 2019.Read More
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2130Undisclosed2 - 9 employeesPetaluma, CADeura Information Security Consulting LLC , a Compliance Consulting company, was launched in 2002. Based in Petaluma, California, the team specializes in Compliance Consulting and Cybersecurity.Read More
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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