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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2221$1,000+2 - 9 employeesSan Diego, CAGREEN BIRD MEDIA is a small branding firm established in 2005. Their team provides Branding and Social Media Marketing.Read More
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2222$5,000+2 - 9 employeesLos Angeles, CARead More
Sacred Cow Studios is a small website development firm headquartered in Los Angeles, California. The team focuses on web development, search engine optimization, mobile app development, web design, and more.
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2223Undisclosed50 - 249 employeesNewark, CACloudwick is a cloud consulting & SI company established in 2011. The team provides cloud consulting & SI.Read More
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2224$5,000+1,000 - 9,999 employeesSan Diego, CAInsight Global is a custom software development company. The Atlanta, Georgia-based company offers Custom Software Development and Artificial Intelligence.Read More
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2225$25,000+50 - 249 employeesMountain View, CACloseloop Technologies LLC is a software development company. Their midsize team is headquartered in Mountain View, California; Sahibzada Ajit Singh Nagar, India and Jaipur, India and focuses on Custom Software Development, AI Consulting, CRM consulting and SI, ERP consulting and SI, and more. The agency was founded in 2011.Read More
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Block and Tam AutoTech Consulting Group Motorola Solutions PIC CorporationIndustries
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2226Undisclosed10 - 49 employeesDuarte, CAStaffing company ITGen Systems Inc. Is in Duarte, California. They provide Staffing and IT strategy consulting.Read More
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2227Undisclosed10 - 49 employeesIrvine, CAUX design company Avente, Inc. Was founded in 2017. The firm specializes in UX/UI Design and IT managed services, and is small.Read More
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2228Undisclosed10 - 49 employeesThousand Oaks, CADefined Ventures, Inc. Is a web design agency. Established in 2009, their team provides Web Design and CRM consulting and SI.Read More
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2229Undisclosed10 - 49 employeesIrvine, CABrightQuery is a small Irvine, California-based Funding & Investment company. Their services include Funding & Investment and BI & big data consulting & SI.Read More
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2230Undisclosed10 - 49 employeesSan Diego, CALaunched in 2017, Search Rebel LLC is a software development company. Headquartered in San Diego, California, the team specializes in Custom Software Development and BI & big data consulting & SI.Read More
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2231Undisclosed10 - 49 employeesPalo Alto, CABlockchain company TieSet was launched in 2020. The agency specializes in Blockchain and IT strategy consulting, and is small.Read More
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2232$5,000+50 - 249 employeesSan Jose, CAHeadquartered in Amman, Jordan; Sulaymaniyah, Iraq and San Jose, California, Advanced Business Solutions | SAP Partner is a midsize ERP consulting and SI company. Founded in 2010, the team specializes in ERP consulting and SI, custom software development, cloud consulting & SI, IT managed services, and more.Read More
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2233$5,000+50 - 249 employeesSan Diego, CAEinstein Industries is a midsize San Diego, California-based social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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2234Undisclosed50 - 249 employeesLos Angeles, CAPalm Tree LLC is a Business Consulting company. The team offers Business Consulting and Commercial Financing and is based in Los Angeles, California.Read More
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2235Undisclosed50 - 249 employeesSunnyvale, CABased in Sunnyvale, California, TRUEXTEND, Inc. Is a custom software development firm. The team offers Custom Software Development and Web Development.Read More
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2236Undisclosed50 - 249 employeesSanta Clara, CAStage 4 Solutions is a Business Consulting company founded in 2001. The company provides Business Consulting and Marketing Strategy, and is midsize.Read More
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2237$10,000+50 - 249 employeesSanta Clara, CAMSBC Group is a software development company established in 2002. The team provides Custom Software Development and IT strategy consulting.Read More
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2238$5,000+50 - 249 employeesLos Angeles, CARead More
Sumeru Inc is a full-service technology consultancy based in Los Angeles with more than 50 employees. Founded in 2002, they are experts in IT staff augmentation, web design, and social media marketing solutions for clients in the industries of financial services and nonprofit.
Clients
GAPIndustries
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2239$50,000+250 - 999 employeesMountain View, CAVentureDive is a midsize software development firm. The Mountain View, California-based agency was established in 2012. Their services include Custom Software Development, Mobile App Development, CRM consulting and SI, Application Testing, and more.Read More
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CareemIndustries
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2240$5,000+10 - 49 employeesSan Jose, CAA-CX is a software development company. Based in San Jose, California and Vancouver, Canada, their team focuses on Custom Software Development and Artificial Intelligence.Read More
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2241$25,000+250 - 999 employeesSan Francisco, CAPythian is a business intelligence company in Ottawa, Canada and San Francisco, California. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 1997.Read More
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Fox SportsIndustries
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2242$1,000+10 - 49 employeesSan Jose, CACustom software development firm AloneClone was established in 2019. The team specializes in Custom Software Development and Artificial Intelligence.Read More
Clients
Epic GamesIndustries
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2243Undisclosed50 - 249 employeesRoseville, CANaviant Inc. Is an ECM consulting and SI and Business Consulting company. The Verona, Wisconsin-based agency was founded in 1986. Their team provides ECM consulting and SI and Business Consulting.Read More
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2244$1,000+250 - 999 employeesAnaheim, CAIT Solutions is a midsize IT managed services company located in Fort Washington, Pennsylvania and Syosset, New York. Their services include IT managed services and Cybersecurity.Read More
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2245$10,000+250 - 999 employeesSan Francisco, CAVeracity AI is a big data company and AI firm. Established in 2017, the company offers BI & big data consulting & SI and Artificial Intelligence.Read More
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2246Undisclosed50 - 249 employeesFremont, CASPIN Strategy is an Email Marketing company established in 2014. The company focuses on Email Marketing and Pay Per Click, and is midsize.Read More
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2247$50,000+50 - 249 employeesRedondo Beach, CALimestone Digital is a midsize Karlín, Czech Republic-based IT strategy consulting company. They specialize in IT strategy consulting, Web Development, IT staff augmentation, Custom Software Development, and more and were launched in 2016.Read More
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Terravate LLCIndustries
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2248$5,000+250 - 999 employeesSanta Monica, CAE-commerce development company BSS Commerce is headquartered in Hanoi, Vietnam; Santa Monica, California; London, England and Singapore, Singapore. They focus on E-Commerce Development, IT strategy consulting, Web Development, Custom Software Development, and more and were established in 2012.Read More
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2249$25,000+50 - 249 employeesRedwood City, CASoftware development firm Intelygenz is headquartered in Madrid, Spain and Redwood City, California. The team offers Custom Software Development and Artificial Intelligence.Read More
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2250$10,000+1,000 - 9,999 employeesPleasanton, CAEstablished in 1972, FORTÉ is an unified communications consulting & SI company. The team offers unified communications consulting & SI and IT managed services.Read More
Industries
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