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.
Jump to Most Reviewed Companies
List of the Best California IT Companies
-
$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.
Industries
-
$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
Industries
-
2191$50,000+1,000 - 9,999 employeesSan Francisco, CAWest Monroe is a cloud consulting & SI company. They offer cloud consulting & SI and CRM consulting and SI and were established in 2002.Read More
Industries
-
2192$1,000+50 - 249 employeesSan Marcos, CAIT managed services company Tri-Community Answering Service was launched in 1968. The midsize team offers IT managed services and Call Center Services.Read More
-
2193Undisclosed50 - 249 employeesLong Beach, CAMidsize custom software development firm MyKaarma, is in Long Beach, California. The team focuses on Custom Software Development and IT managed services.Read More
-
2194Undisclosed50 - 249 employeesSan Jose, CAServiceaide, Inc is an IT managed services company. The San Jose, California-based company specializes in IT managed services and Artificial Intelligence.Read More
Industries
-
2195Undisclosed250 - 999 employeesSan Diego, CAAgital is a branding company. They are headquartered in Burlington, Massachusetts and Washington, District of Columbia and have midsize team. They offer Branding and Social Media Marketing.Read More
Industries
-
2196$100,000+50 - 249 employeesCerritos, CAIntelliMedia Networks is a web development company established in 2011. The team provides Web Development and Mobile App Development and is based in Cerritos, California and Ahmedabad, India.Read More
Industries
-
2197$10,000+10 - 49 employeesCarlsbad, CAMarraData is a big data analytics company founded in 2015. The firm specializes in BI & big data consulting & SI and Artificial Intelligence.Read More
Clients
Niagara BottlingIndustries
-
2198$5,000+50 - 249 employeesMiami, FLNuvem Group is a cloud consulting & SI company founded in 2015. Headquartered in Miami, Florida and London, England, the team focuses on cloud consulting & SI and Custom Software Development.Read More
Industries
-
2199Undisclosed1,000 - 9,999 employeesMountain View, CAEgnyte, a Cybersecurity company, provides Cybersecurity and IT strategy consulting. The firm is based in Mountain View, California and Poznań, Poland.Read More
Industries
-
2200Undisclosed10 - 49 employeesSan Juan Capistrano, CATerse Software is a Blockchain company. Established in 2017, the team offers Blockchain and cloud consulting & SI.Read More
-
2201Undisclosed50 - 249 employeesSan Jose, CAMobile application development company EnLume Inc is in San Jose, California and Hyderabad, India. They focus on Mobile App Development and Enterprise App Modernization.Read More
Industries
-
2202$100,000+250 - 999 employeesMilpitas, CARysun Labs Inc. Is a big data company. The midsize Milpitas, California-based company was launched in 2001. Their team offers BI & big data consulting & SI, cloud consulting & SI, IT managed services, Custom Software Development, and more.Read More
Clients
KonfluenceIndustries
-
2203$25,000+1,000 - 9,999 employeesLos Angeles, CASimform is a cloud consulting & SI company. They are headquartered in Orlando, Florida; Los Angeles, California; Chicago, Illinois and San Francisco, California and have a large team that specializes in cloud consulting & SI, Custom Software Development, Mobile App Development, Artificial Intelligence, and more. The agency was established in 2010.Read More
Clients
RedbullIndustries
-
2204$50,000+50 - 249 employeesCulver City, CARead More
Tech Fabric is an IT services company based in Gilbert, Ariz. Founded in 2017, this company has 28 employees. Services offered by Tech Fabric include e-commerce, custom software development, cloud development, UI/UX design, and mobile app development.
Clients
K&L Wine MerchantsIndustries
-
2205Undisclosed2 - 9 employeesSan Francisco, CAOKY Consulting is a Business Consulting company. Their small team is located in Boston, Massachusetts and San Francisco, California. Their team specializes in Business Consulting and Cybersecurity.Read More
-
2206Undisclosed2 - 9 employeesLong Beach, CAHern IT is an IT managed services company. Their small team is located in Long Beach, California. Their services include IT managed services and Mobile & App Marketing.Read More
-
2207Undisclosed2 - 9 employeesStockton, CADroviga Inc, a software development company, was launched in 2017. The agency specializes in Custom Software Development and ERP consulting and SI.Read More
-
2208Undisclosed2 - 9 employeesOxnard, CAJoshuaBridge.com is a branding company. In Oxnard, California, their team offers Branding and Search Engine Optimization.Read More
-
2209$10,000+1,000 - 9,999 employeesEl Dorado Hills, CAFounded in 1993, R Systems is a large big data analytics company. Their services include BI & big data consulting & SI and Back Office Outsourcing.Read More
-
2210$5,000+10 - 49 employeesSan Jose, CACRM consulting and SI company Clone-Tech is in San Jose, California and Nairobi, Kenya. They focus on CRM consulting and SI and ERP consulting and SI and were founded in 2022.Read More
Industries
-
2211$10,000+1,000 - 9,999 employeesManhattan Beach, CARapid7 is a Cybersecurity company. Their large team is in Boston, Massachusetts and Manhattan Beach, California. Their services include Cybersecurity and IT managed services.Read More
Industries
-
2212$5,000+50 - 249 employeesSan Francisco, CAGITS Indonesia is a midsize cloud consulting & SI company. Based in Bandung, Indonesia, the firm was founded in 2010. Their team focuses on cloud consulting & SI, mobile app development, custom software development, and web development.Read More
Industries
-
2213$25,000+50 - 249 employeesLos Angeles, CAUniqcli, a Marketing Strategy company, was launched in 2017. They are headquartered in Chicago, Illinois; Los Angeles, California; Philadelphia, Pennsylvania and Raleigh, North Carolina and have a midsize team. Uniqcli focuses on Marketing Strategy, cloud consulting & SI, Low/No Code Development, IT strategy consulting, and more.Read More
Clients
SootheIndustries
-
2214$10,000+50 - 249 employeesTracy, CATravancore Analytics is a cloud consulting & SI company. They offer cloud consulting & SI, Mobile App Development, AR/VR development, IoT development, and more and were established in 2007. Their midsize team is Tracy, California-based.Read More
Industries
-
2215Undisclosed10 - 49 employeesLos Angeles, CABoston Networks, an IT strategy consulting company, is headquartered in Boston, Massachusetts and Stoneham, Massachusetts. Their services include IT strategy consulting and cloud consulting & SI.Read More
-
2216Undisclosed10 - 49 employeesCorona, CANetsity is a business intelligence company located in Corona, California and Ghaziabad, India. They specialize in BI & big data consulting & SI and Artificial Intelligence.Read More
-
2217Undisclosed50 - 249 employeesFremont, CAPETADATA is a software development company. They are in Fremont, California and Hyderabad, India and have midsize team. They offer Custom Software Development and Back Office Outsourcing.Read More
-
2218$5,000+1,000 - 9,999 employeesLos Gatos, CAInfogain is a cloud consulting & SI company. Launched in 1990, the agency is in Los Gatos, California and Noida, India. Their services include cloud consulting & SI and BI & big data consulting & SI.Read More
Industries
-
2219Undisclosed10 - 49 employeesLaguna Beach, CADevBird is a small Laguna Beach, California-based graphic design company. Their services include Graphic Design and cloud consulting & SI.Read More
-
2220Undisclosed10 - 49 employeesSan Francisco, CAButtered Toast, a Market Research company, is located in San Francisco, California. Established in 2016, the team provides Market Research and Marketing Strategy.Read More
Featured providers
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 7 new reviews
- 13 7 new reviews
- 14 6 new reviews
- 15 5 new reviews
