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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2071$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
Industries
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2072$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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2073$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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2074$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
Clients
IBMIndustries
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2075$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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2076$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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2077$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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2078$1,000+Freelancer employeesOceanside, CALaunched in 2019, Cloud Ops Group is a cloud consulting & SI and DevOps Managed Services company. The small team provides cloud consulting & SI and DevOps Managed Services.Read More
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2079Undisclosed2 - 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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2080Undisclosed2 - 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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2081Undisclosed2 - 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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2082Undisclosed2 - 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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2083Undisclosed2 - 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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2084Undisclosed2 - 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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2085Undisclosed2 - 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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2086Undisclosed2 - 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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2087Undisclosed2 - 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
Industries
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2088Undisclosed2 - 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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2089Undisclosed2 - 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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2090Undisclosed2 - 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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2091Undisclosed2 - 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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2092Undisclosed2 - 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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2093Undisclosed2 - 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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2094Undisclosed2 - 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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2095Undisclosed2 - 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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2096Undisclosed2 - 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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2097Undisclosed2 - 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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2098Undisclosed2 - 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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2099Undisclosed2 - 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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2100Undisclosed2 - 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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Check out an IT Services Company in California with the most new reviews in the past 12 months.
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