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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
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1711$1,000+Freelancer employeesSan Jose, CAExpert it TechSupport Services - ustechsupportx.com is a San Jose, California-based other IT consulting and SI company. They offer other IT consulting and SI and IT managed services.Read More
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1712$250,000+10 - 49 employeesSan Francisco, CAEstablished in 2023, RoamNook is a small IT strategy consulting company. Their team provides IT strategy consulting and cloud consulting & SI.Read More
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1713$1,000+2 - 9 employeesTemecula, CAIronguard IT is an IT strategy consulting company. Launched in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
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1714$1,000+2 - 9 employeesCerritos, CABefore The Future is a small Cybersecurity company headquartered in Cerritos, California. Their services include Cybersecurity and IT strategy consulting.Read More
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1715Undisclosed10 - 49 employeesLong Beach, CAProdevconsultsph, a website development firm, is located in Long Beach, California and Taguig, Philippines. Launched in 2021, the team offers Web Development and Web Design.Read More
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1716Undisclosed10 - 49 employeesSan Ramon, CAManex Consulting is a Cybersecurity company established in 1995. The firm specializes in Cybersecurity and Business Consulting.Read More
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1717Undisclosed10 - 49 employeesRedding, CACRM consulting and SI company SyncApps by Cazoomi was launched in 2009. The team focuses on CRM consulting and SI and E-Commerce Development and is based in Redding, California.Read More
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1718Undisclosed10 - 49 employeesRedwood City, CAAUG.global is an AI company. The Redwood City, California-based team offers Artificial Intelligence and BI & big data consulting & SI.Read More
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1719Undisclosed10 - 49 employeesSanta Monica, CADynamicweb NA is a Content Marketing company launched in 2011. The company provides Content Marketing and CRM consulting and SI.Read More
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1720Undisclosed10 - 49 employeesEl Cerrito, CAIn El Cerrito, California, Ezepo is a small branding agency. The team specializes in Branding and Marketing Strategy.Read More
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1721Undisclosed10 - 49 employeesIrvine, CACAL2CAL Corporation is a software development firm. They were established in 1996 and offer Custom Software Development and Corporate Training & Coaching.Read More
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1722Undisclosed10 - 49 employeesLos Angeles, CADT Professional Services, LLC is a cloud consulting & SI company. The firm is based in Los Angeles, California. Their services include cloud consulting & SI and Mobile App Development.Read More
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1723Undisclosed10 - 49 employeesPleasanton, CACrestPoint Solutions, an IT managed services company, was founded in 2000. The team offers IT managed services and Custom Software Development.Read More
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1724Undisclosed10 - 49 employeesSan Diego, CAEstablished in 2017, JopeConnect is a small big data company. Their services include BI & big data consulting & SI and Custom Software Development.Read More
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1725Undisclosed10 - 49 employeesMilpitas, CALokiBots, a cloud consulting & SI company, specialize in cloud consulting & SI and Blockchain. They were launched in 2018.Read More
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1726$10,000+50 - 249 employeesManhattan Beach, CACybersecurity company Gurucul is in Manhattan Beach, California and Mumbai, India. They focus on Cybersecurity and BI & big data consulting & SI and were founded in 2010.Read More
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1727Undisclosed2 - 9 employeesRedwood City, CABarnet Associates is a small Ridgefield, Connecticut-based CRM consulting and SI company. The team offers CRM consulting and SI and Custom Software Development.Read More
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1728$25,000+250 - 999 employeesSan Jose, CAIntegrated Technology Group, an ERP consulting and SI company, was established in 1989. The company provides ERP consulting and SI and BI & big data consulting & SI.Read More
Clients
Ministry of education/KSA, Ministry of education in/Bahrain, GUtech/Oman, Ministry of Culture/ JordanIndustries
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1729Undisclosed50 - 249 employeesSan Diego, CALogic20/20, an IT strategy consulting company, was founded in 2005. They provides IT strategy consulting and Artificial Intelligence.Read More
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1730$25,000+50 - 249 employeesIrvine, CALaunched in 1997, Burwood Group, Inc. Is a midsize cloud consulting & SI company. Their team offers cloud consulting & SI and unified communications consulting & SI.Read More
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1731$10,000+50 - 249 employeesSan Diego, CARead More
BitCot is a development firm from San Diego. It was founded in 2011 and has grown to a team of more than 30 that does mobile app development, web development, and custom software development for small and large companies alike.
Clients
Dick's Sporting GoodsIndustries
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1732$5,000+50 - 249 employeesLos Angeles, CAFounded in 2004, Infoway is a midsize Los Angeles, California-based website development company. Their team focuses on Web Development and cloud consulting & SI.Read More
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1733Undisclosed50 - 249 employeesFolsom, CAMicrosan Consultancy Services, an AR/VR development company, was launched in 2010. They specializes in AR/VR development and cloud consulting & SI.Read More
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1734Undisclosed50 - 249 employeesRancho Cucamonga, CAVavrinek, Trine, Day & Co., LLP is an Accounting company in Rancho Cucamonga, California. Launched in 1948, the team provides Accounting and Cybersecurity.Read More
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1735Undisclosed50 - 249 employeesCampbell, CAIT managed services company OSI Engineering, Inc. Was founded in 2010. Based in Campbell, California, the team specializes in IT managed services and Accounting.Read More
Industries
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1736Undisclosed50 - 249 employeesIrvine, CALaunched in 2006, OrangePeople is a custom software development company. The team specializes in Custom Software Development and BI & big data consulting & SI.Read More
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1737Undisclosed50 - 249 employeesAnaheim, CAUB Technology Innovations (UBTI) is a cloud consulting & SI company. The Anaheim, California-based team focuses on cloud consulting & SI and Custom Software Development.Read More
Industries
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1738Undisclosed50 - 249 employeesSan Mateo, CAMarvel Marketers is a branding firm. The San Mateo, California-based team provides Branding and Marketing Strategy.Read More
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1739Undisclosed50 - 249 employeesDublin, CAFounded in 2014, InnovaPath Inc is a midsize UX design agency. Their team focuses on UX/UI Design and cloud consulting & SI.Read More
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1740Undisclosed50 - 249 employeesSan Francisco, CATestRigor is an Application Testing company. Established in 2015, the company is based in San Francisco, California. Their team focuses on Application Testing and ERP consulting and SI.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
IT Services Company
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