Top 100 Managed Service Providers in California
The Best of December 2025Looking for a top managed service provider in California?
If you’re looking for services that can spare you from complex, time-consuming, and sometimes counterproductive tasks? Perhaps managed service providers can help you and your business. You can rest easy by relying on managed service providers to handle any tedious tasks.
Managed service providers are outsourced third-party companies that provide different support efforts including network, application, security, and payroll works. Businesses and organizations hire managed service providers because of their flexibility and ability to relieve repetitive tasks. Great managed service providers create custom solutions to cater to the different needs of every business. Such services are worthwhile investments especially for startups and midsize businesses that want to have their in-house teams focus on their operations.
To assist you in your search for a partner, we’ve compiled this list of the top IT managed services in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Managed Services
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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.
Industries
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$1,000+50 - 249 employeesNaperville, ILRead More
BetterWorld 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.
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631Undisclosed10 - 49 employeesTemecula, CATekcetera Inc. Is a cloud consulting & SI and IT managed services company launched in 2002. Their team specializes in cloud consulting & SI and IT managed services.Read More
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632Undisclosed10 - 49 employeesSan Diego, CAUSPCNet is an IT managed services and IT strategy consulting company. Headquartered in Tempe, Arizona and Westminster, Colorado, the firm specializes in IT managed services and IT strategy consulting.Read More
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633Undisclosed10 - 49 employeesMonrovia, CAWTC Consulting LLC is a Monrovia, California-based IT managed services company. The team provides IT managed services and Market Research.Read More
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634Undisclosed2 - 9 employeesLong Beach, CADesignFluxx is a small web design agency. Founded in 2011, the team offers Web Design and Branding.Read More
Industries
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635$25,000+2 - 9 employeesSan Diego, CAFounded in 2019, Enstal Technologies is a small San Diego, California-based Cybersecurity company. Their team offers Cybersecurity and IT strategy consulting.Read More
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636$5,000+50 - 249 employeesIrvine, CARead More
Founded in 1985, One Step Secure IT is a midsize. Their team specializes in. The agency is located in Phoenix, Arizona.
Clients
Christ's Church of ValleyIndustries
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637$1,000+10 - 49 employeesPalo Alto, CADataplatr is a big data company. They are located in Palo Alto, California and have small team of experts. Their services include BI & big data consulting & SI and AI Consulting.Read More
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638$1,000+2 - 9 employeesSan Jose, CAForesight MSP is an IT strategy consulting company launched in 2000. The agency offers IT strategy consulting and Cybersecurity.Read More
Industries
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639$1,000+2 - 9 employeesSan Diego, CASan Diego IT Pros is an IT strategy consulting company. They were launched in 2015 and specialize in IT strategy consulting and cloud consulting & SI.Read More
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640Undisclosed2 - 9 employeesCulver City, CASocial media marketing agency Bee-Big was established in 2022. The small team specializes in Social Media Marketing and Email Marketing.Read More
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641Undisclosed2 - 9 employeesSacramento, CABased in Sacramento, California and Regina, Canada, Query Minds is a small IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
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642$10,000+2 - 9 employeesSan Jose, CABased in San Jose, California, Maverick IT Alliance is an IT strategy consulting company. Established in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
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643$1,000+2 - 9 employeesIrvine, CABased in Irvine, California, OC Security Audit is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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644$1,000+2 - 9 employeesTemecula, CAMoore Technology Partners is an IT strategy consulting company launched in 2025. The small team provides IT strategy consulting and unified communications consulting & SI.Read More
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645Undisclosed2 - 9 employeesRoseville, CALevel 4 MSSP Corp is a small IT strategy consulting company launched in 2025. Their services include IT strategy consulting and Cybersecurity.Read More
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646$5,000+Freelancer employeesLaguna Hills, CAAlfaLINQ Business Solutions, LLC is an e-commerce development company located in Laguna Hills, California. They provide E-Commerce Development and ERP consulting and SI.Read More
Industries
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647$10,000+50 - 249 employeesBurbank, CATurner Techtronics, Inc. Is an IT managed services company. The Burbank, California-based firm was established in 1987. Their services include IT managed services and Cybersecurity.Read More
Industries
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648$5,000+1,000 - 9,999 employeesSan Jose, CASymbio is an IT strategy consulting company. The San Jose, California-based firm was established in 1994. Their services include IT strategy consulting and cloud consulting & SI.Read More
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649Undisclosed50 - 249 employeesSan Francisco, CAFounded in 1999, Francisco Partners is a midsize IT managed services company based in San Francisco, California and London, England. Their team provides IT managed services and Commercial Financing.Read More
Industries
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650Undisclosed50 - 249 employeesSanta Rosa, CAKLH Consulting is an IT managed services company. Launched in 1980, the team offers IT managed services and IT strategy consulting. The agency is headquartered in Santa Rosa, California.Read More
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651Undisclosed1,000 - 9,999 employeesSan Ramon, CAGrid Dynamics is an IT strategy consulting company established in 2006. In San Ramon, California and Tampa, Florida, the team offers IT strategy consulting and BI & big data consulting & SI.Read More
Industries
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652Undisclosed50 - 249 employeesDiamond Bar, CAZenlayer is a midsize IT managed services company located in Diamond Bar, California and Hong Kong. Their services include IT managed services and cloud consulting & SI.Read More
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653$5,000+2 - 9 employeesLos Angeles, CASC Tech is a web design company. Headquartered in Los Angeles, California, the team offers Web Design and Web Development.Read More
Industries
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654$1,000+2 - 9 employeesOakland, CAStateWP is a Cybersecurity company. Their small team is headquartered in Oakland, California. Their services include Cybersecurity and IT managed services.Read More
Industries
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655$1,000+2 - 9 employeesLos Angeles, CACareful Security is a Cybersecurity company. The agency is in Los Angeles, California. Their services include Cybersecurity and IT managed services.Read More
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656$5,000+10 - 49 employeesFremont, CATOPSYNTAX INC, a software development firm, is in Fremont, California. They specialize in Custom Software Development and Enterprise App Modernization and were founded in 2018.Read More
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657$5,000+10 - 49 employeesRedwood City, CATecAvy is an Advertising company located in Gurugram, India and Redwood City, California. They focus on Advertising and Back Office Outsourcing.Read More
Industries
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658Undisclosed10 - 49 employeesCarlsbad, CACybersecurity company Intersectis is based in Carlsbad, California. Their services include Cybersecurity and Digital Strategy.Read More
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659Undisclosed250 - 999 employeesWashington, DCIT managed services company Dataprise was established in 1995. Their midsize team is in Rockville, Maryland; Dallas, Texas; Port St. Lucie, Florida and New York, New York and focuses on IT managed services, Cybersecurity, cloud consulting & SI, and IT strategy consulting.Read More
Industries
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660Undisclosed250 - 999 employeesBurlingame, CASoftware development firm ARES Corporation was established in 1992. The team specializes in Custom Software Development and IT managed services and is headquartered in Burlingame, California.Read More
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