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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1711$1,000+50 - 249 employeesPalo Alto, CAArtificial intelligence firm Hackerbay Germany offers Artificial Intelligence and cloud consulting & SI. They are based in Berlin, Germany and Palo Alto, California.Read More
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1712Undisclosed50 - 249 employeesSanta Barbara, CAInvoca, an Advertising company, is headquartered in Santa Barbara, California. The team offers Advertising and Call Center Services.Read More
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1713Undisclosed50 - 249 employeesRedwood City, CAPierry Inc., A Wunderman Thompson Company, a CRM consulting and SI company, provides CRM consulting and SI and Email Marketing. The agency is based in Redwood City, California.Read More
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1714Undisclosed50 - 249 employeesSan Francisco, CAAva is an IT managed services company. Launched in 2014, the company is based in San Francisco, California and Paris, France. Their services include IT managed services and Mobile App Development.Read More
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1715Undisclosed50 - 249 employeesCampbell, CANextbrick Inc. Is a Content Marketing company. The midsize Campbell, California-based team focuses on Content Marketing and cloud consulting & SI. The company was launched in 2019.Read More
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1716Undisclosed50 - 249 employeesSan Jose, CABetaSoft Inc. Is a cloud consulting & SI company. Their midsize team of employees is based in San Jose, California. Their team provides cloud consulting & SI and Application Testing.Read More
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1717Undisclosed50 - 249 employeesMountain View, CAMadKudu, a Business Consulting company, focuses on Business Consulting and CRM consulting and SI. The company is in Mountain View, California.Read More
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1718Undisclosed1,000 - 9,999 employeesCosta Mesa, CAARC Document Solutions is a large Digital Strategy company based in Gainesville, Florida and Costa Mesa, California. The team provides Digital Strategy and IT managed services.Read More
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1719$10,000+50 - 249 employeesBurbank, CABOSC Tech Labs Private Limited, an AI Consulting company, was founded in 2019. They are located in Gandhinagar, India and Burbank, California and have a midsize team. Their services include AI Consulting, Artificial Intelligence, Generative AI, AI Agents, and more.Read More
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1720Undisclosed250 - 999 employeesSan Francisco, CALaunched in 2004, A5 is a cloud consulting & SI company. Headquartered in San Francisco, California and Toronto, Canada, the team provides cloud consulting & SI and CRM consulting and SI.Read More
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1721$25,000+50 - 249 employeesSan Francisco, CAInnovify is an AI Consulting company founded in 2011. The firm offers AI Consulting, Artificial Intelligence, Custom Software Development, Enterprise App Modernization, and more and has a midsize team.Read More
Clients
ARM INCIndustries
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1722$10,000+50 - 249 employeesFullerton, CAFounded in 2009, Pegasus One is a business intelligence company. The firm offers BI & big data consulting & SI, cloud consulting & SI, Custom Software Development, Mobile App Development, and more and has a midsize team. The firm is located in Fullerton, California and Mumbai, India.Read More
Clients
Toshiba Disney City National Bank HondaIndustries
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1723$25,000+10 - 49 employeesLos Angeles, CAWebsite development firm Nurdsoft focuses on Web Development and Mobile App Development. They are in Los Angeles, California and Gurugram, India.Read More
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1724$1,000+10 - 49 employeesJurupa Valley, CAQuickBooks HubSpot CRM Integration Services is a CRM consulting and SI and ERP consulting and SI company. They provide CRM consulting and SI and ERP consulting and SI and were launched in 2005.Read More
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1725$1,000+50 - 249 employeesOjai, CABased in Ahmedabad, India and Ojai, California, MagnusMinds IT Solution LLP is a big data company. The midsize agency was founded in 2009. Their services include BI & big data consulting & SI, Web Development, Enterprise App Modernization, API Development, and more.Read More
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1726$1,000+10 - 49 employeesSan Francisco, CAOddience is an IT strategy consulting company. They are headquartered in Lagos, Nigeria and San Francisco, California, and their services include IT strategy consulting and CRM consulting and SI.Read More
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1727$1,000+1,000 - 9,999 employeesBelmont, CATectura , a large ERP consulting and SI company, is in Belmont, California and Bengaluru, India. The team offers ERP consulting and SI.Read More
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1728Undisclosed50 - 249 employeesLong Beach, CAStimulus Technologies | Managed IT Services & IT Support Las Vegas is a cloud consulting & SI and IT managed services company. Their services include cloud consulting & SI.Read More
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1729$1,000+50 - 249 employeesLong Beach, CAMytech Partners, Inc., an IT managed services company, was launched in 2000. The midsize team focuses on IT managed services. The agency is based in New Brighton, Minnesota; Greenwood Village, Colorado; Long Beach, California and San Antonio, Texas.Read More
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1730Undisclosed50 - 249 employeesPleasanton, CABDRShield is an IT managed services company established in 2002. Their team provides IT managed services.Read More
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1731Undisclosed10 - 49 employeesSanta Monica, CAMobolize is a Santa Monica, California-based CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.Read More
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1732Undisclosed10 - 49 employeesSan Francisco, CAZData Inc. Is a data analytics company. Headquartered in San Francisco, California, the firm was established in 2012. Their services include BI & big data consulting & SI.Read More
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1733$5,000+2 - 9 employeesSan Diego, CAAMA Networks is a cloud consulting & SI company. Headquartered in San Diego, California, the team focuses on cloud consulting & SI and IT managed services.Read More
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1734$5,000+10 - 49 employeesWalnut Creek, CAWebfortis is an ECM consulting and SI company in Walnut Creek, California. The team offers ECM consulting and SI and BI & big data consulting & SI.Read More
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1735Undisclosed10 - 49 employeesManhattan Beach, CAECM consulting and SI company Network Solutions Provider was launched in 2005. The team provides ECM consulting and SI and cloud consulting & SI and is in Manhattan Beach, California.Read More
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1736$1,000+2 - 9 employeesCovina, CAFlatly is a big data company. They are located in Covina, California and have small team. They offer BI & big data consulting & SI.Read More
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1737$5,000+2 - 9 employeesLos Angeles, CAASIX Web Development is a web design agency founded in 2012. In Los Angeles, California, the team provides Web Design and UX/UI Design.Read More
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1738$25,000+10 - 49 employeesLos Angeles, CARead More
Staffing company nexus IT group is headquartered in Overland Park, Kansas; Atlanta, Georgia; Austin, Texas and Boston, Massachusetts. The small agency was established in 2010. Their services include Staffing, IT staff augmentation, and Recruiting.
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1739Undisclosed10 - 49 employeesAtascadero, CARose Business Solutions is an ERP consulting and SI company in Atascadero, California. They offer ERP consulting and SI and CRM consulting and SI.Read More
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1740Undisclosed10 - 49 employeesIrvine, CAContivio, a CRM consulting and SI and ERP consulting and SI company, was launched in 2000. The small team offers CRM consulting and SI and ERP consulting and SI.Read More
Industries
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Check out an IT Services Company in California with the most new reviews in the past 12 months.
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