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.
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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.
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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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991Undisclosed2 - 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
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992Undisclosed2 - 9 employeesHawthorne, CAHLD Consulting is a small Hawthorne, California-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
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993Undisclosed2 - 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
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994Undisclosed2 - 9 employeesRiverside, CAAegis Network Group, LLC. Is an IT managed services company. Founded in 2018, the team offers IT managed services and cloud consulting & SI. The agency is located in Riverside, California.Read More
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995Undisclosed2 - 9 employeesLaguna Niguel, CASmall IT managed services company Delarman IT Services, is in Laguna Niguel, California. The team provides IT managed services and cloud consulting & SI.Read More
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996$100,000+10 - 49 employeesSunnyvale, CAInbybob_ is a small IT staff augmentation company launched in 2023. Their team provides IT staff augmentation and IT managed services.Read More
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997Undisclosed10 - 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
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998Undisclosed10 - 49 employeesSacramento, CAGlobal IT Services is a Sacramento, California-based IT strategy consulting company. They focus on IT strategy consulting and Corporate Training & Coaching.Read More
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999Undisclosed10 - 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
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1000Undisclosed10 - 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
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1001$25,000+50 - 249 employeesIrvine, CALaunched in 1997, Burwood Group, Inc. Is a midsize cloud consulting & SI company. Their team offers cloud consulting & SI and unified communications consulting & SI.Read More
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1002$5,000+50 - 249 employeesOrange, CALumen21, Inc is a cloud consulting & SI company. Based in Orange, California and Mumbai, India, the firm was launched in 2007. Their team offers cloud consulting & SI and Cybersecurity.Read More
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1003Undisclosed250 - 999 employeesSanta Clara, CAFlexis IT is a midsize Santa Clara, California-based IT managed services company. The team provides IT managed services and Cybersecurity.Read More
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1004Undisclosed10 - 49 employeesWalnut Creek, CAIT managed services company The Wizards of OZtechs was founded in 2001. In Walnut Creek, California, the team provides IT managed services and IT strategy consulting.Read More
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1005Undisclosed10 - 49 employeesCoronado, CAZnuny Group is a small IT strategy consulting company located in Coronado, California. The team provides IT strategy consulting and IT managed services.Read More
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1006Undisclosed50 - 249 employeesNewport Beach, CAVisionaire - an e4site Inc Company is a Newport Beach, California-based IT strategy consulting company. The team offers IT strategy consulting and BI & big data consulting & SI.Read More
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1007UndisclosedFreelancer employeesAlameda, CALaunched in 2018, ITE Mavens is an IT managed services and IT strategy consulting company. The team focuses on IT managed services and IT strategy consulting.Read More
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1008UndisclosedFreelancer employeesVallejo, CAIT managed services and Cybersecurity company Ronen Solutions was launched in 2016. The agency offers IT managed services and Cybersecurity, and is small.Read More
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1009UndisclosedFreelancer employeesVentura, CAFounded in 1986, Infogrip IT LLC is an IT managed services and Cybersecurity company. The team focuses on IT managed services and Cybersecurity and is in Ventura, California.Read More
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1010UndisclosedFreelancer employeesEl Monte, CAIDOTECH is an IT managed services company. Founded in 2012, the team focuses on IT managed services and Web Development. The agency is in El Monte, California.Read More
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1011Undisclosed2 - 9 employeesLancaster, CAEstablished in 1991, JR'S Handling is an Email Marketing company. Their team offers Email Marketing and Direct Marketing.Read More
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1012Undisclosed2 - 9 employeesLivermore, CAAnne Griffith Tax & Financial, an Accounting company, is headquartered in Livermore, California. Their services include Accounting and cloud consulting & SI.Read More
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1013Undisclosed2 - 9 employeesCarlsbad, CAFounded in 1999, Lynch Interactive, Inc. Is a business intelligence company. The agency provides BI & big data consulting & SI and IT managed services.Read More
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1014Undisclosed2 - 9 employeesSan Diego, CALaunched in 1999, San Diego Computer Consulting is a small San Diego, California-based IT strategy consulting company. Their team offers IT strategy consulting and cloud consulting & SI.Read More
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1015Undisclosed2 - 9 employeesSacramento, CAClowd, an IT strategy consulting company, is in Sacramento, California. Their services include IT strategy consulting and Artificial Intelligence.Read More
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1016Undisclosed2 - 9 employeesTorrance, CAWordPress Superheroes, a web development firm, focuses on Web Development and Search Engine Optimization. The firm is in Torrance, California.Read More
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1017Undisclosed2 - 9 employeesSan Francisco, CACodepilot, Inc. Is a web design company launched in 2017. Their services include Web Design and Web Development.Read More
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1018Undisclosed2 - 9 employeesIrvine, CAFounded in 2008, Phoenix Afterglow is a small Irvine, California-based social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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1019$10,000+250 - 999 employeesSanta Clara, CADigital Guardian, a midsize IT managed services company, is in Waltham, Massachusetts and Reston, Virginia. The team specializes in IT managed services and Cybersecurity.Read More
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1020$5,000+2 - 9 employeesLos Angeles, CATyler D. Perez Consulting is an IT managed services company founded in 2006. The team offers IT managed services and Pay Per Click.Read More
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