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, 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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841Undisclosed2 - 9 employeesPleasant Hill, CARevealio, Inc., a software development firm, was launched in 2016. The team specializes in Custom Software Development and IT managed services and is based in Pleasant Hill, California.Read More
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842Undisclosed2 - 9 employeesSan Francisco, CAExcelym, a small IT strategy consulting company, is based in San Francisco, California. Their services include IT strategy consulting and IT managed services.Read More
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843Undisclosed2 - 9 employeesBrisbane, CAMagellan USA is a small Brisbane, California-based IT managed services company. Their services include IT managed services and HR Consulting.Read More
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844Undisclosed2 - 9 employeesLong Beach, CARead More
Located in Long Beach, California, Delta Data Services LLC is an IT strategy consulting company. The agency provides IT strategy consulting, BI & big data consulting & SI, IT managed services, and custom software development and is small.The agency was founded in 2009.
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845Undisclosed2 - 9 employeesChino Hills, CAD1 Defend is a Cybersecurity company. They focus on Cybersecurity and IT strategy consulting and were established in 2000.Read More
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846Undisclosed2 - 9 employeesBenicia, CACybersecurity company ManagedTEK was founded in 2009. The company focuses on Cybersecurity and IT strategy consulting, and is small.Read More
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847Undisclosed2 - 9 employeesSan Mateo, CAFounded in 2018, TEN31 Technology is a small IT managed services company. Their team offers IT managed services and Web Development.Read More
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848$5,000+2 - 9 employeesLos Angeles, CALA Creative Technologies is a small IT managed services company. Launched in 2008, the team specializes in IT managed services and IT strategy consulting.Read More
Industries
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849$10,000+10 - 49 employeesWestminster, CASoftware development firm MLTech Soft was launched in 2020. Their small team is located in Ho Chi Minh City, Vietnam; Singapore, Singapore and Westminster, California and focuses on Custom Software Development, IT managed services, Artificial Intelligence, Enterprise App Modernization, and more.Read More
Clients
PSA Marine Private Limited Unilever Vietnam International Company Limited Lof International Dairy Products Joint Stock Company Yen Viet Joint Stock CompanyIndustries
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850$1,000+2 - 9 employeesSan Francisco, CAIT managed services company SuperHero IT Solutions is in San Francisco, California. Their services include IT managed services and Web Design.Read More
Industries
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851Undisclosed2 - 9 employeesIrvine, CAITO Solutions, Inc. Is a small cloud consulting & SI company headquartered in Irvine, California and Houston, Texas. Their services include cloud consulting & SI and CRM consulting and SI.Read More
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852$5,000+10 - 49 employeesSan Francisco, CABPM, a small IT strategy consulting company, is based in San Francisco, California. The team focuses on IT strategy consulting and Cybersecurity.Read More
Industries
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853$1,000+10 - 49 employeesRohnert Park, CAIn Rohnert Park, California, BackOffice Technology Group is a small Back Office Outsourcing company. Their services include Back Office Outsourcing and IT managed services.Read More
Industries
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854Undisclosed10 - 49 employeesLake Forest, CAEnterprise App Modernization company Asparian was established in 2004. The firm provides Enterprise App Modernization and cloud consulting & SI.Read More
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855Undisclosed10 - 49 employeesIrvine, CAThinkbox Technology Group is a big data company. The Irvine, California-based firm was launched in 2006. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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856Undisclosed10 - 49 employeesSan Diego, CABusiness Consulting company Intelesis Technologies was launched in 1997. The agency specializes in Business Consulting and IT strategy consulting, and is small.Read More
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857Undisclosed10 - 49 employeesLos Angeles, CAZobrist Software Group, Inc. Is a Los Angeles, California-based e-commerce development company. Launched in 2000, the team focuses on E-Commerce Development and IT managed services.Read More
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858Undisclosed10 - 49 employeesLos Altos, CAPractical SQA, an Application Testing company, is located in Los Altos, California. Their services include Application Testing and Mobile & App Marketing.Read More
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859Undisclosed10 - 49 employeesSanta Clara, CAIT Management Corporation is a Santa Clara, California-based IT strategy consulting company. Their services include IT strategy consulting and Digital Strategy.Read More
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860Undisclosed10 - 49 employeesLos Gatos, CATenisiTech is an IT strategy consulting company launched in 2012. The firm specializes in IT strategy consulting and IT managed services.Read More
Industries
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861Undisclosed10 - 49 employeesSacramento, CAFounded in 2000, MME Consulting, Inc. Is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.Read More
Industries
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862Undisclosed10 - 49 employeesCupertino, CAFounded in 2002, KalioTek is an IT strategy consulting company. The company offers IT strategy consulting and cloud consulting & SI, and is small.Read More
Industries
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863Undisclosed10 - 49 employeesMilpitas, CALocated in Milpitas, California, ICE Consulting is a cloud consulting & SI company. Their services include cloud consulting & SI and Cybersecurity.Read More
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864Undisclosed10 - 49 employeesValencia, CAFounded in 1988, ITAD Services is a pay per click company. The company provides Pay Per Click and IT managed services.Read More
Industries
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865Undisclosed10 - 49 employeesSan Marcos, CABorderLAN, Inc is a Cybersecurity company. Their small team of employees is headquartered in Portland, Oregon and San Marcos, California. Their team offers Cybersecurity and IT managed services.Read More
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866Undisclosed10 - 49 employeesLos Angeles, CACyberXProtect is a Cybersecurity company founded in 2024. The company provides Cybersecurity and IT managed services.Read More
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867Undisclosed10 - 49 employeesSan Francisco, CA729 Solutions is a branding company. Based in San Francisco, California, the firm was established in 2003. Their services include Branding and IT managed services.Read More
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868$10,000+250 - 999 employeesSan Jose, CARead More
Trajectus, a web design agency, is based in Southfield, Michigan and San Jose, California. They provide web design, e-commerce development, enterprise app modernization, application management & support, and more and were founded in 2015.
Industries
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869Undisclosed50 - 249 employeesPleasanton, CASuiteMatrix IT Solutions is a CRM consulting and SI company based in Coimbatore, India and Pleasanton, California. Launched in 2019, the team offers CRM consulting and SI and ERP consulting and SI.Read More
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870$5,000+2 - 9 employeesSan Diego, CAAMA Networks is a cloud consulting & SI company. Headquartered in San Diego, California, the team focuses on cloud consulting & SI and IT managed services.Read More
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