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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1831$5,000+2 - 9 employeesCalabasas, CAColddata is an IT strategy consulting company founded in 2000. The team offers IT strategy consulting and Custom Software Development.Read More
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1832$100,000+50 - 249 employeesMarina del Rey, CARead More
Established in 2012, Unique Software Development is a data analytics company. The firm offers BI & big data consulting & SI, Web Development, Custom Software Development, Mobile App Development, and more and has a midsize team. The firm is headquartered in Dallas, Texas; Washington, District of Columbia; New York, New York and Austin, Texas.
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MODE TransportationIndustries
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1833$1,000+2 - 9 employeesSan Francisco, CARivet Flow is a CRM consulting and SI company. Based in San Francisco, California, the firm provides CRM consulting and SI and cloud consulting & SI.Read More
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1834$100,000+10 - 49 employeesSan Francisco, CASpan Digital is a custom software development firm launched in 2013. The team specializes in Custom Software Development and BI & big data consulting & SI.Read More
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1835$10,000+10 - 49 employeesBerkeley, CADeCodinate Inc is a Berkeley, California-based mobile application development firm. They provide Mobile App Development and Web Development.Read More
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1836$50,000+250 - 999 employeesBeverly Hills, CALocated in Beverly Hills, California; Buenos Aires, Argentina; Montevideo, Uruguay and Medellín, Colombia, Rootstrap is a software development company. The midsize agency was launched in 2011. Their team provides Custom Software Development, Artificial Intelligence, Web Development, BI & big data consulting & SI, and more.Read More
Clients
MasterClass Google Tony Robbins EmeritusIndustries
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1837Undisclosed50 - 249 employeesSan Jose, CA360 IT Professionals is a midsize San Jose, California-based CRM consulting and SI company. Their services include CRM consulting and SI and Mobile App Development.Read More
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1838$25,000+1,000 - 9,999 employeesSanta Clara, CASoftnautics - a MosChip Company is an AI firm located in Santa Clara, California and Ahmedabad, India. Their services include Artificial Intelligence and IoT development.Read More
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1839$25,000+10 - 49 employeesRolling Hills Estates, CAIT managed services company Navinod Technologies LLP(Aykan®) was launched in 2017. They are headquartered in Mangaluru, India and Rolling Hills Estates, California and have a small team. Their services include IT managed services, Artificial Intelligence, AI Consulting, Generative AI, and more.Read More
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1840Undisclosed1,000 - 9,999 employeesSan Jose, CAAutomation Anywhere is an Application Testing company. The team offers Application Testing and cloud consulting & SI and is headquartered in San Jose, California and Bengaluru, India.Read More
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1841$1,000+50 - 249 employeesLake Forest, CAXRM is a CRM consulting and SI company. The Lake Forest, California-based team specializes in CRM consulting and SI and IT managed services.Read More
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1842$10,000+2 - 9 employeesLos Angeles, CAComputer Help LA, a cloud consulting & SI company, is based in Los Angeles, California. Their services include cloud consulting & SI and IT managed services.Read More
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1843$10,000+2 - 9 employeesArcadia, CAIT System House LLC is a cloud consulting & SI company based in Arcadia, California. Founded in 2007, the team focuses on cloud consulting & SI and IT managed services.Read More
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1844$5,000+Freelancer employeesSan Diego, CAGreenman IT Support is an IT managed services company. Launched in 2005, the firm is in San Diego, California. Their team focuses on IT managed services.Read More
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1845$5,000+10 - 49 employeesRocklin, CAEstablished in 2003, Intuitive Networks, Inc. Is a small IT managed services company located in Rocklin, California. Their team provides IT managed services and IT strategy consulting.Read More
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1846$5,000+2 - 9 employeesLos Angeles, CACorporate West Computer Systems, an IT managed services company, specializes in IT managed services. The agency is based in Los Angeles, California.Read More
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1847$5,000+2 - 9 employeesChino Hills, CAHeadquartered in Chino Hills, California, D1 Networks is a small IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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1848$5,000+Freelancer employeesSanta Monica, CABased in Santa Monica, California, Palisades Technology is a small IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
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1849$10,000+10 - 49 employeesLos Angeles, CABusiness intelligence company ExistBI was founded in 2008. The team provides BI & big data consulting & SI and IT managed services and is located in Los Angeles, California.Read More
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1850$1,000+50 - 249 employeesSan Ramon, CAAPEX Technologies, a midsize AI company, is headquartered in Shanghai, China and Beijing, China. The team specializes in Artificial Intelligence and AR/VR development.Read More
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1851Undisclosed2 - 9 employeesSan Diego, CATCM is a small San Diego, California-based IT strategy consulting company. Their services include IT strategy consulting.Read More
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1852Undisclosed1,000 - 9,999 employeesLos Gatos, CAImpetus is a large Los Gatos, California-based data analytics company. Their services include BI & big data consulting & SI.Read More
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1853Undisclosed50 - 249 employeesRedwood City, CALaunched in 2011, Lastline, Inc. Is a Cybersecurity company. Their team provides Cybersecurity and other IT consulting and SI.Read More
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1854Undisclosed2 - 9 employeesRunning Springs, CAWobot - Mobile Smartphone Repair, a small IT managed services and Cybersecurity company, is located in Running Springs, California. Their services include IT managed services and Cybersecurity.Read More
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1855Undisclosed2 - 9 employeesBakersfield, CAHeadquartered in Bakersfield, California, ATECH MSP is a small IT managed services company. The team offers IT managed services and IT strategy consulting.Read More
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1856Undisclosed50 - 249 employeesNewport Beach, CAVisionaire - an e4site Inc Company is a Newport Beach, California-based IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1857Undisclosed50 - 249 employeesSan Diego, CAIT strategy consulting and Business Consulting company Cask specializes in IT strategy consulting and Business Consulting. They were established in 2004.Read More
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1858Undisclosed2 - 9 employeesModesto, CAMoji Technologies is an IT managed services company. Located in Modesto, California, their team specializes in IT managed services.Read More
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1859UndisclosedFreelancer employeesAlameda, CALaunched in 2018, ITE Mavens is an IT managed services and IT strategy consulting company. The team focuses on IT managed services and IT strategy consulting.Read More
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1860UndisclosedFreelancer employeesVallejo, CAIT managed services and Cybersecurity company Ronen Solutions was launched in 2016. The agency offers IT managed services and Cybersecurity, and is small.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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