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.
List of the Best California IT Companies
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1741Undisclosed50 - 249 employeesChico, CALiatrio, a cloud consulting & SI company, was launched in 2023. The team focuses on cloud consulting & SI and Custom Software Development and is headquartered in Chico, California.Read More
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1742Undisclosed50 - 249 employeesSan Ramon, CALocated in San Ramon, California, Iron Horse is a midsize CRM consulting and SI company. The team focuses on CRM consulting and SI and AR/VR development.Read More
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1743Undisclosed50 - 249 employeesMill Valley, CAArize AI, a cloud consulting & SI company, was founded in 2019. The team offers cloud consulting & SI and Artificial Intelligence and is based in Mill Valley, California.Read More
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1744Undisclosed50 - 249 employeesSanta Clara, CAUX company Ab Ovo, Inc. Was founded in 2006. The agency offers UX/UI Design and BI & big data consulting & SI.Read More
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1745Undisclosed50 - 249 employeesSan Francisco, CAHeadquartered in San Francisco, California, Swish Analytics is a Market Research company. Their services include Market Research and BI & big data consulting & SI.Read More
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1746Undisclosed50 - 249 employeesCampbell, CAMaxonic is an Englewood, Colorado-based Staffing company. Their services include Staffing and BI & big data consulting & SI.Read More
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1747Undisclosed50 - 249 employeesSan Francisco, CAOdetta, Inc. Is a social media marketing agency located in San Francisco, California. They provide Social Media Marketing and Search Engine Optimization.Read More
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1748Undisclosed50 - 249 employeesDavis, CAMarket Research company Engage3 was founded in 2008. The company specializes in Market Research and Digital Strategy.Read More
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1749$25,000+50 - 249 employeesCupertino, CAPredikly LLC, an artificial intelligence company, focus on Artificial Intelligence and other IT consulting and SI. They were launched in 2017.Read More
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1750$10,000+250 - 999 employeesSunnyvale, CASedin Technologies is an IT strategy consulting company. The midsize team is based in Sunnyvale, California; Chennai, India; Fredericton, Canada and Bengaluru, India. Their services include IT strategy consulting, BI & big data consulting & SI, and Custom Software Development.Read More
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1751Undisclosed50 - 249 employeesPleasanton, CAStaffing company Netwoven focuses on Staffing and BI & big data consulting & SI. They were launched in 2001.Read More
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1752Undisclosed250 - 999 employeesIrvine, CAInterra Information Technologies is a cloud consulting & SI company. Founded in 1996, their team focuses on cloud consulting & SI and Cybersecurity.Read More
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1753$5,000+50 - 249 employeesOrange, CALumen21, Inc is a cloud consulting & SI company. Based in Orange, California and Mumbai, India, the firm was launched in 2007. Their team offers cloud consulting & SI and Cybersecurity.Read More
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1754Undisclosed10 - 49 employeesSan Francisco, CACloud consulting & SI and CRM consulting and SI company Advanced Communities is based in London, United Kingdom and San Francisco, California. The small team provides cloud consulting & SI and CRM consulting and SI and was established in 2008.Read More
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1755$50,000+50 - 249 employeesLos Angeles, CARead More
Hvantage Technologies Inc is a Los Angeles-based digital agency that was founded in 2011. With more than 200 employees, the agency has experts in mobile app and custom software development, UX/UI design, and web design.
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1756Undisclosed50 - 249 employeesPleasanton, CASuiteMatrix IT Solutions is a CRM consulting and SI company based in Coimbatore, India and Pleasanton, California. Launched in 2019, the team offers CRM consulting and SI and ERP consulting and SI.Read More
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1757Undisclosed50 - 249 employeesDublin, CAUser experience company Canvendor is based in Dublin, California and Chennai, India. The team provides UX/UI Design and IT strategy consulting.Read More
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1758Undisclosed2 - 9 employeesSanta Ana, CAFounded in 2024, Falconforce Consulting is a Cybersecurity company. The team specializes in Cybersecurity and Blockchain and is headquartered in Santa Ana, California.Read More
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1759Undisclosed50 - 249 employeesSan Ramon, CABluvium, a CRM consulting and SI and ERP consulting and SI company, was launched in 2015. The team offers CRM consulting and SI and ERP consulting and SI.Read More
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1760$25,000+50 - 249 employeesRancho Santa Margarita, CAEstablished in 2016, BayGrape Technology Solutions is an IT strategy consulting company. The team provides IT strategy consulting and Custom Software Development.Read More
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1761$5,000+250 - 999 employeesIrvine, CAFounded in 2011, CrowdStrike is a Cybersecurity company. Their team provides Cybersecurity and IT managed services.Read More
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1762$10,000+10 - 49 employeesLos Angeles, CACapte is an IoT development company. Founded in 2016, the agency offers IoT development and BI & big data consulting & SI.Read More
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Transdev Regionalverkehr Köln GmbH ( RVK for short ) RATPDev KeolisIndustries
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1763$1,000+2 - 9 employeesSan Francisco, CAIT managed services company SuperHero IT Solutions is in San Francisco, California. Their services include IT managed services and Web Design.Read More
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1764$50,000+250 - 999 employeesCamarillo, CARead More
Vizuri is a development and computer software company based in Herndon, Va. They were founded in 1986 and have a team of around 250 employees. Their services include custom software development, IT staff augmentation, and IT strategy consulting.
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AetnaIndustries
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1765$10,000+250 - 999 employeesSan Jose, CARead More
Trajectus, a web design agency, is based in Southfield, Michigan and San Jose, California. They provide web design, e-commerce development, enterprise app modernization, application management & support, and more and were founded in 2015.
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1766Undisclosed1,000 - 9,999 employeesBrea, CAFounded in 2000, Nisum is a large Brea, California-based software development company. Their team specializes in Custom Software Development and E-Commerce Development.Read More
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GapIndustries
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1767Undisclosed250 - 999 employeesSanta Clara, CAERP consulting and SI company Yantra Inc. Is in Santa Clara, California and Toronto, Canada. Founded in 2008, the team specializes in ERP consulting and SI and CRM consulting and SI.Read More
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1768$5,000+Freelancer employeesSanta Cruz, CABusiness intelligence company Andrew Searson Business Intelligence Consulting is in Santa Cruz, California. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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TRM Labs -
1769Undisclosed1,000 - 9,999 employeesLos Angeles, CAEmids is a Business Consulting company founded in 1999. Their services include Business Consulting and Generative AI.Read More
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1770$5,000+250 - 999 employeesPalo Alto, CAGainInsights is a big data company and cloud consulting & SI company. They provide BI & big data consulting & SI and cloud consulting & SI and are based in Bengaluru, India and Palo Alto, California.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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