Top 100 IT Services Companies in California
The Best of December 2025Looking 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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$5,000+50 - 249 employeesGaithersburg, MDRead More
DesignDATA is an IT managed services company. Established in 1979, the midsize agency is headquartered in Gaithersburg, Maryland and Washington, District of Columbia. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, and Cybersecurity.
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
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1501$1,000+2 - 9 employeesLos Angeles, CA2X Market, a CRM consulting and SI company, is in Los Angeles, California. They offer CRM consulting and SI and AI Consulting.Read More
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1502$5,000+2 - 9 employeesSan Diego, CABaur Software, a Digital Strategy company, was established in 2020. The company specializes in Digital Strategy and Artificial Intelligence, and is small.Read More
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1503$1,000+50 - 249 employeesCamarillo, CAValeo Networks Inc. Is an IT managed services company. Their team is in Rockledge, Florida and Camarillo, California and provides IT managed services and Cybersecurity.Read More
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1504$100,000+50 - 249 employeesCulver City, CARead More
Application development company Stateside Agency is located in Culver City, California and San José, Costa Rica. The midsize team offers mobile app development, web development, ux/ui design, e-commerce development, and more. The agency was founded in 2013.
Industries
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1505Undisclosed250 - 999 employeesLos Angeles, CAFounded in 2010, Pro-Tek Consulting is a Business Consulting company. Their services include Business Consulting and other IT consulting and SI.Read More
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1506Undisclosed250 - 999 employeesNewark, CATA Digital is a web development company. In Newark, California, the team offers Web Development and Mobile App Development.Read More
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1507Undisclosed250 - 999 employeesSan Francisco, CAWideOrbit is a midsize Advertising company in San Francisco, California and City of London, England. The team provides Advertising and Marketing Strategy.Read More
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1508Undisclosed250 - 999 employeesSanta Clarita, CAKRG Technologies Inc. Is an Application Testing company. The Santa Clarita, California-based agency focuses on Application Testing and BI & big data consulting & SI.Read More
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1509$1,000+10 - 49 employeesSan Francisco, CANaeemic is a small Karachi, Pakistan-based IT strategy consulting company. Their services include IT strategy consulting and Cybersecurity.Read More
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1510Undisclosed50 - 249 employeesMountain View, CARead More
ReputationDefender is a public relations firm. Their midsize team is located in Redwood City, California; Tempe, Arizona and Liverpool, United Kingdom. Their services include public relations, cybersecurity, and search engine optimization. The company was established in 2006.
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1511Undisclosed50 - 249 employeesSan Diego, CAVetsEZ is a cloud consulting & SI company. The company is headquartered in San Diego, California. Their services include cloud consulting & SI and IT managed services.Read More
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1512$5,000+2 - 9 employeesCalifornia City, CAAppSacks is a website development company. In California City, California and New Delhi, India, the firm provides Web Development and Mobile App Development.Read More
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1513$1,000+2 - 9 employeesSacramento, CAFavSoftware, a website development firm, offer Web Development and Mobile App Development. They were launched in 2020.Read More
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1514Undisclosed50 - 249 employeesSan Jose, CADesign Experts Inc is a branding firm based in San Jose, California. The team offers Branding and Custom Software Development.Read More
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1515Undisclosed50 - 249 employeesBeverly Hills, CANMS Consulting Inc. Is a Business Consulting company launched in 2019. The team provides Business Consulting and Cybersecurity and is based in Beverly Hills, California.Read More
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1516$25,000+2 - 9 employeesCalabasas, CALaunched in 2015, i6 technology is a software development firm. The company focuses on Custom Software Development and Web Development.Read More
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1517Undisclosed50 - 249 employeesOrange, CASQA² is an Application Testing company launched in 1997. The team offers Application Testing and IT strategy consulting and is in Orange, California.Read More
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1518Undisclosed50 - 249 employeesSan Francisco, CASpendflo is a Market Research company. In San Francisco, California, the company was established in 2020. Their services include Market Research and IT managed services.Read More
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1519$10,000+1,000 - 9,999 employeesFoster City, CALaunched in 1997, All Covered is an IT managed services company. The team specializes in IT managed services and cloud consulting & SI.Read More
Industries
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1520$50,000+1,000 - 9,999 employeesSan Jose, CAJade Global is a cloud consulting & SI company. They are located in San Jose, California and North Wales, Pennsylvania, and their services include cloud consulting & SI and ERP consulting and SI.Read More
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HydrafacialIndustries
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1521$50,000+10 - 49 employeesPalo Alto, CARead More
Netkiller Inc. Is a small application management & support company. Established in 2006, the team provides application management & support, cloud consulting & SI, cybersecurity, and custom software development. The agency is located in San Jose, California; Pittsburgh, Pennsylvania and Seoul, South Korea.
Industries
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1522Undisclosed10 - 49 employeesVista, CALaunched in 2003, Cognetic Technologies is a custom software development firm. Their services include Custom Software Development and Web Development.Read More
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1523Undisclosed10 - 49 employeesSanta Clara, CAASANI Solutions, LLC. Is a Santa Clara, California-based Cybersecurity company. Their services include Cybersecurity and Compliance Consulting.Read More
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1524Undisclosed10 - 49 employeesIrvine, CAStratus Meridian is a cloud consulting & SI company. Their small team is in Irvine, California. Their team specializes in cloud consulting & SI and API Development.Read More
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1525Undisclosed10 - 49 employeesSacramento, CACPSC Solutions LLC is an IT strategy consulting company. The team provides IT strategy consulting and Business Consulting and is located in Sacramento, California.Read More
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1526$1,000+10 - 49 employeesIrvine, CAWebsite development firm fyby.io was founded in 2020. The agency specializes in Web Development and E-Commerce Development.Read More
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1527$10,000+10 - 49 employeesPleasanton, CACirculants is an IT managed services company in Pleasanton, California and Jaipur, India. Established in 2018, the team provides IT managed services and CRM consulting and SI.Read More
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1528$10,000+2 - 9 employeesLos Angeles, CARead More
Flip180 Media is a digital publishing company based in Woodland Hills, Calif.. Founded in 2017, their team of around 5 employees specializes in digital strategy, graphic design, and advertising.
Clients
magazine publishersIndustries
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1529Undisclosed2 - 9 employeesSunnyvale, CAKalibroida Technology Solutions is a small AI development company in Sunnyvale, California and Pune, India. Their services include Artificial Intelligence and BI & big data consulting & SI.Read More
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1530Undisclosed2 - 9 employeesLos Angeles, CAFounded in 1998, Techonsite, a small IT strategy consulting company, is located in Los Angeles, California. Their team provides IT strategy consulting and Business Consulting.Read More
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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.
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