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.
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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
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1951Undisclosed2 - 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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1952Undisclosed2 - 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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1953Undisclosed2 - 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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1954Undisclosed2 - 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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1955Undisclosed2 - 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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1956Undisclosed2 - 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
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1957Undisclosed2 - 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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1958Undisclosed2 - 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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1959Undisclosed2 - 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
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1960Undisclosed2 - 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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1961Undisclosed2 - 9 employeesLos Angeles, CAInvoketin, Inc. Is a Los Angeles, California-based Email Marketing company. They specialize in Email Marketing and Conversion Optimization.Read More
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1962Undisclosed2 - 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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1963Undisclosed2 - 9 employeesPasadena, CALaunched in 2020, Elxo Inc. Is a software development company. The team specializes in Custom Software Development and Low/No Code Development.Read More
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1964Undisclosed2 - 9 employeesNewport Beach, CANecula Designs is a small social media marketing firm established in 2018. Their team specializes in Social Media Marketing and Email Marketing.Read More
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1965Undisclosed2 - 9 employeesLos Angeles, CABranding agency Amata Agency was established in 2017. Headquartered in Los Angeles, California, the team offers Branding and Social Media Marketing.Read More
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1966Undisclosed2 - 9 employeesIrvine, CACoral Collective LLC, a branding firm, was launched in 2021. The team focuses on Branding and Social Media Marketing.Read More
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1967Undisclosed2 - 9 employeesPasadena, CAWeb design company Marketingism is headquartered in Pasadena, California. They provide Web Design and IT managed services.Read More
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1968Undisclosed2 - 9 employeesBurbank, CAPolaris Marketing & Consulting is a small branding agency launched in 2019. Their team offers Branding and IT managed services.Read More
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1969$1,000+50 - 249 employeesDublin, CAProgressino LLC is a Ypsilanti, Michigan-based pay per click agency. The midsize team offers Pay Per Click, UX/UI Design, Advertising, Search Engine Optimization, and more. The agency was established in 2011.Read More
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1970$100,000+50 - 249 employeesChatsworth, CASoftware development firm Inverted Software was launched in 2001. The team specializes in Custom Software Development and UX/UI Design.Read More
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1971$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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1972Undisclosed10 - 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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1973$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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1974Undisclosed10 - 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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1975$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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1976Undisclosed10 - 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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1977$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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1978Undisclosed1,000 - 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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1979$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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1980Undisclosed50 - 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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Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
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