Top 100 IT Services Companies in California
The Best of January 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
-
2101$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
-
2102Undisclosed10 - 49 employeesPalo Alto, CAFounded in 2021, Insight Terra is a small big data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
-
2103Undisclosed50 - 249 employeesSan Jose, CADigital Strategy company Catalyst Business Partners was established in 2002. The firm specializes in Digital Strategy and cloud consulting & SI, and is midsize.Read More
-
2104$50,000+250 - 999 employeesSeattle, WALocated in Tallinn, Estonia; Kharkiv, Ukraine; Stuttgart, Germany and London, England, Jelvix is a software development company. The midsize agency was established in 2011. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, and cloud consulting & SI.Read More
Clients
Tiber Capital GroupIndustries
-
2105Undisclosed250 - 999 employeesSan Diego, CAIn Huntsville, Alabama and North Charleston, South Carolina, Sentar Inc. Is a Cybersecurity and IT managed services company. They offer Cybersecurity and IT managed services.Read More
-
2106Undisclosed50 - 249 employeesSan Jose, CAMumba Technologies is an IT strategy consulting company. Launched in 2010, the team offers IT strategy consulting and BI & big data consulting & SI.Read More
-
2107$1,000+50 - 249 employeesSan Francisco, CABased in San Francisco, California, Karma Infotech is a midsize Back Office Outsourcing company. Their services include Back Office Outsourcing and Custom Software Development.Read More
Industries
-
2108Undisclosed2 - 9 employeesCarmichael, CAAutomize is a small Carmichael, California-based Digital Strategy company. Their services include Digital Strategy and Other Application Development.Read More
Industries
-
2109$5,000+Freelancer employeesBeverly Hills, CASnohat is a Marketing Strategy company. The team specializes in Marketing Strategy and Social Media Marketing and is based in Beverly Hills, California.Read More
Industries
-
2110Undisclosed50 - 249 employeesPasadena, CASatwic Inc is an artificial intelligence development company. The team provides Artificial Intelligence and Robotics Process Automation, and the firm is located in Pasadena, California.Read More
-
2111Undisclosed50 - 249 employeesSanta Clara, CAPentaho is a big data analytics company. The firm is located in Orlando, Florida and Santa Clara, California. Their team focuses on BI & big data consulting & SI.Read More
-
2112Undisclosed10 - 49 employeesElk Grove, CASyTech Solutions, a software development firm, is based in Elk Grove, California. The team provides Custom Software Development and IT managed services.Read More
-
2113Undisclosed2 - 9 employeesLong Beach, CABit Lagoon is a software development firm established in 2014. Their services include Custom Software Development and IT managed services.Read More
-
2114Undisclosed2 - 9 employeesHawthorne, CATACTIC CONSULTING is an Accounting company. They are based in Hawthorne, California and have small team. Their team provides Accounting and IT managed services.Read More
-
2115Undisclosed2 - 9 employeesSimi Valley, CASJO Consulting Group is an IT managed services company. Their small team is headquartered in Simi Valley, California. Their services include IT managed services and Search Engine Optimization.Read More
-
2116Undisclosed2 - 9 employeesPleasanton, CALaunched in 2010, International B2B Solutions Inc is a cloud consulting & SI company. The small team provides cloud consulting & SI and Content Marketing.Read More
-
2117Undisclosed2 - 9 employeesAlameda, CAAlliance 4 Data, an Email Marketing company, was launched in 2017. The small team offers Email Marketing and BI & big data consulting & SI.Read More
Industries
-
2118Undisclosed2 - 9 employeesRancho Mirage, CAWebtechno.com is a Rancho Mirage, California-based Email Marketing company. Established in 2012, the team provides Email Marketing and BI & big data consulting & SI.Read More
Industries
-
2119$10,000+2 - 9 employeesSan Francisco, CAFinancial Consulting company Lineal CPA was established in 2010. The small team focuses on Financial Consulting and Fractional CFO Services.Read More
Industries
-
2120$10,000+50 - 249 employeesSan Jose, CARead More
Zone24x7 Inc. is a software and tech company based in San Jose, Calif. Founded in 2003, their team of over 50 experts provides IoT development, custom software development, and cloud consulting services for clients ranging from small startups to large corporations.
Clients
Macy’sIndustries
-
2121$5,000+50 - 249 employeesLos Angeles, CAMediaLink, a midsize Marketing Strategy company, is based in New York, New York and Los Angeles, California. Their services include Marketing Strategy and BI & big data consulting & SI.Read More
-
2122$5,000+10 - 49 employeesSan Jose, CASocial media marketing agency Jway Group was launched in 1994. The team provides Social Media Marketing and Content Marketing.Read More
-
2123Undisclosed10 - 49 employeesSan Diego, CALaunched in 2013, Golden Seller is a small branding firm. Their services include Branding and Digital Strategy.Read More
-
2124Undisclosed10 - 49 employeesSan Mateo, CAEstablished in 2010, Hi Dev is a software development company. The team specializes in Custom Software Development and Web Development.Read More
-
2125$5,000+10 - 49 employeesSan Ramon, CARead More
Jack Frost Design, a cloud consulting & SI company, was launched in 1968. They are in San Ramon, California and Rocklin, California and have a small team. Their services include cloud consulting & SI, web development, e-commerce development, and corporate training & coaching.
-
2126Undisclosed10 - 49 employeesOrange, CA360 Circuits, a public relations agency, is located in Orange, California. Established in 2004, the team provides Public Relations and Marketing Strategy.Read More
Industries
-
2127Undisclosed10 - 49 employeesLong Beach, CALaunched in 2020, Upmax Digital Marketing Agency is a small Long Beach, California-based social media marketing firm. Their team specializes in Social Media Marketing and Conversion Optimization.Read More
Industries
-
2128Undisclosed10 - 49 employeesSanta Monica, CALos Angeles WordPress Development is a web design company. Located in Santa Monica, California, the team focuses on Web Design and Search Engine Optimization.Read More
Industries
-
2129Undisclosed10 - 49 employeesPleasanton, CALaunched in 2009, VendCentral Marketing is a web design agency. The team offers Web Design and Advertising and is in Pleasanton, California.Read More
-
2130Undisclosed10 - 49 employeesBeverly Hills, CAGamble Guy Productions is a Marketing Strategy company established in 2018. The team specializes in Marketing Strategy and Social Media Marketing.Read More
Featured provider
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed IT Services Company in California
Check out an IT Services Company in California with the most new reviews in the past 12 months.
Most Reviewed
IT Services Company
California
- 11 7 new reviews
- 12 6 new reviews
- 13 5 new reviews
- 14 5 new reviews
- 15 5 new reviews
