Top 100 IT Services Companies in California
The Best of February 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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1951Undisclosed50 - 249 employeesMorgan Hill, CADigital Green Global, Inc. Is an IT strategy consulting and IT managed services company launched in 2005. The midsize team offers IT strategy consulting and IT managed services.Read More
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1952Undisclosed10 - 49 employeesEl Monte, CAWest Coast Computer Recycler is an IT managed services company. The El Monte, California-based team offers IT managed services.Read More
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1953Undisclosed50 - 249 employeesSan Francisco, CAGenetsis Group is a San Francisco, California-based Marketing Strategy company. The team offers Marketing Strategy and ECM consulting and SI.Read More
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1954Undisclosed10 - 49 employeesSan Francisco, CAInnovate Group is a business intelligence company launched in 2015. The small team offers BI & big data consulting & SI and UX/UI Design.Read More
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1955Undisclosed10 - 49 employeesSan Diego, CAAffinity Design Hub, a marketing strategy company, was founded in 2015. Their small team is based in San Diego, California. Their services include marketing strategy, search engine optimization, graphic design, logo, and more.Read More
Industries
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1956$1,000+10 - 49 employeesSunnyvale, CAArosys Technologies, a small software development company, is headquartered in Sunnyvale, California and Bhilai, India. The team focuses on Custom Software Development and Application Testing.Read More
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1957$1,000+10 - 49 employeesSan Ramon, CARoundtechsquare is a social media marketing agency. The team specializes in Social Media Marketing and Search Engine Optimization and is based in San Ramon, California and Vadodara, India.Read More
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1958$50,000+50 - 249 employeesSunnyvale, CASapidBlue Technologies is a software development firm launched in 2021. Their midsize team is in Sunnyvale, California and Gurugram, India. The firm provides custom software development, Artificial Intelligence, IT strategy consulting, and blockchain.Read More
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1959$25,000+10 - 49 employeesPasadena, CAFounded in 2019, Conode.ai is a small AI company. Their team provides Artificial Intelligence and Generative AI.Read More
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1960$10,000+10 - 49 employeesWestminster, CASoftware development firm MLTech Soft was launched in 2020. Their small team is located in Ho Chi Minh City, Vietnam; Singapore, Singapore and Westminster, California and focuses on Custom Software Development, IT managed services, Artificial Intelligence, Enterprise App Modernization, and more.Read More
Clients
PSA Marine Private Limited Unilever Vietnam International Company Limited Lof International Dairy Products Joint Stock Company Yen Viet Joint Stock CompanyIndustries
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1961$1,000+50 - 249 employeesSan Jose, CALaunched in 2011, Menteso, a midsize IT managed services company, is located in San Jose, California and Noida, India. Their services include IT managed services.Read More
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1962$10,000+1,000 - 9,999 employeesSan Francisco, CAEpsilon is a web development company headquartered in San Francisco, California; Palo Alto, California; Irving, Texas and Bengaluru, India. The large team provides Web Development, Mobile App Development, Market Research, Digital Strategy, and more. The agency was launched in 1969.Read More
Clients
California State LotteryIndustries
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1963$25,000+2 - 9 employeesLos Angeles, CATOPCONE INC is a software development firm. The firm is in Los Angeles, California. Their services include Custom Software Development and Mobile App Development.Read More
Industries
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1964Undisclosed2 - 9 employeesLos Angeles, CABusiness Consulting company Rubenstein-Justman Management Consultants is based in Los Angeles, California. They focus on Business Consulting and Digital Strategy and were launched in 1986.Read More
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1965Undisclosed2 - 9 employeesLivermore, CAAnne Griffith Tax & Financial, an Accounting company, is headquartered in Livermore, California. Their services include Accounting and cloud consulting & SI.Read More
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1966Undisclosed2 - 9 employeesWalnut Creek, CAHeadquartered in Walnut Creek, California, APC Digital Media is a small IT managed services company. The team offers IT managed services and Search Engine Optimization.Read More
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1967Undisclosed2 - 9 employeesCerritos, CANirmiti Inc. Is a SEO services firm. Launched in 2001, the team focuses on Search Engine Optimization and Web Design.Read More
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1968Undisclosed2 - 9 employeesNapa, CAThe AIS Group, a custom software development company, was launched in 1995. Headquartered in Napa, California, the team specializes in Custom Software Development and ERP consulting and SI.Read More
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1969Undisclosed2 - 9 employeesLa Mesa, CAThe Rowe Solution is an Application Management & Support company. The team specializes in Application Management & Support and IT managed services and is based in La Mesa, California.Read More
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1970Undisclosed2 - 9 employeesMeadow Vista, CASmall Business Consulting company Hardy & Hartsell LLC, is based in Meadow Vista, California. The team provides Business Consulting and cloud consulting & SI.Read More
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1971Undisclosed2 - 9 employeesLos Angeles, CAInformation Design Consultants, Inc. Is a Content Marketing company based in Los Angeles, California. Launched in 2002, the team specializes in Content Marketing and BI & big data consulting & SI.Read More
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1972Undisclosed2 - 9 employeesFolsom, CAYuTechs LLC, a SEO services firm, was launched in 2009. The firm focuses on Search Engine Optimization and Web Design, and is small.Read More
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1973Undisclosed2 - 9 employeesWestlake Village, CABranding agency Stackit Digital, Inc. Was founded in 2022. The company focuses on Branding and Search Engine Optimization, and is small.Read More
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1974Undisclosed2 - 9 employeesFolsom, CAFounded in 2003, Sophus Consulting is a small IT strategy consulting company. Their services include IT strategy consulting and ECM consulting and SI.Read More
Industries
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1975Undisclosed2 - 9 employeesCarlsbad, CALaunched in 2020, QADeputy is an Application Testing company. The team provides Application Testing and API Development.Read More
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1976Undisclosed2 - 9 employeesFremont, CACordia Solutions is an Application Testing company. Launched in 2021, the team specializes in Application Testing and BI & big data consulting & SI.Read More
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1977Undisclosed2 - 9 employeesMarina del Rey, CASEO agency Digital Ninja 9 is in Miami, Florida and Marina del Rey, California. They offer Search Engine Optimization and Pay Per Click and were established in 1996.Read More
Industries
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1978Undisclosed2 - 9 employeesMill Valley, CARobotics Process Automation company Weeldi was established in 2019. The team provides Robotics Process Automation and BI & big data consulting & SI and is located in Mill Valley, California.Read More
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1979Undisclosed2 - 9 employeesLos Angeles, CAInvoketin, Inc. Is a Los Angeles, California-based Email Marketing company. They specialize in Email Marketing and Conversion Optimization.Read More
Industries
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1980Undisclosed2 - 9 employeesIrvine, CAFounded in 2008, Phoenix Afterglow is a small Irvine, California-based social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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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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