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
Industries
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931Undisclosed2 - 9 employeesLos Angeles, CATRC Inc. Is an IT strategy consulting company in Los Angeles, California. They specialize in IT strategy consulting and Cybersecurity and were founded in 2015.Read More
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932Undisclosed2 - 9 employeesPasadena, CALaunched in 2020, Elxo Inc. Is a software development company. The team specializes in Custom Software Development and Low/No Code Development.Read More
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933Undisclosed2 - 9 employeesLos Angeles, CABranding agency Amata Agency was established in 2017. Headquartered in Los Angeles, California, the team offers Branding and Social Media Marketing.Read More
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934Undisclosed2 - 9 employeesPoway, CAEmpowered IT Solutions is a big data analytics company. Launched in 2015, the company is located in Poway, California. Their team specializes in BI & big data consulting & SI and Cybersecurity.Read More
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935Undisclosed2 - 9 employeesLake Forest, CAFroBro Web Technologies is a Lake Forest, California-based SEO company. The team provides Search Engine Optimization and Web Design.Read More
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936Undisclosed2 - 9 employeesPasadena, CAWeb design company Marketingism is headquartered in Pasadena, California. They provide Web Design and IT managed services.Read More
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937Undisclosed2 - 9 employeesBurbank, CAPolaris Marketing & Consulting is a small branding agency launched in 2019. Their team offers Branding and IT managed services.Read More
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938$1,000+10 - 49 employeesSan Diego, CACC Tech Consulting LLC is a cloud consulting & SI company. The Addis Ababa, Ethiopia-based company provides cloud consulting & SI and IT strategy consulting.Read More
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939$1,000+10 - 49 employeesLos Angeles, CAChaos Engineering is an IT strategy consulting company. The small Mumbai, India-based team focuses on IT strategy consulting and cloud consulting & SI. The agency was established in 2025.Read More
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940Undisclosed10 - 49 employeesWest Hollywood, CAFounded in 2001, Think IT Solutions is an IT managed services company. The team focuses on IT managed services and other IT consulting and SI and is in Harvey, Louisiana and Frederick, Maryland.Read More
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941$1,000+1,000 - 9,999 employeesSan Diego, CAInsight Global, a big data analytics company, provides BI & big data consulting & SI and cloud consulting & SI. The firm is located in Atlanta, Georgia and Birmingham, Alabama.Read More
Industries
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942$1,000+Freelancer employeesSan Jose, CAExpert it TechSupport Services - ustechsupportx.com is a San Jose, California-based other IT consulting and SI company. They offer other IT consulting and SI and IT managed services.Read More
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943Undisclosed50 - 249 employeesSacramento, CANuMSP, an IT managed services company, specialize in IT managed services and other IT consulting and SI. They were launched in 2018.Read More
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944$25,000+50 - 249 employeesSan Francisco, CARead More
Founded in 2009, MindK is a software development company that specializes in web, custom software, and mobile app development. Their team of 56 employees, based in San Francisco, partners with small business and midmarket clients in the financial services, advertising, and media industries.
Clients
AdidasIndustries
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945$5,000+2 - 9 employeesChino Hills, CAHeadquartered in Chino Hills, California, D1 Networks is a small IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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946Undisclosed2 - 9 employeesStockton, CAFounded in 2017, Hosting Ocean is a small IT managed services company based in Stockton, California. Their team focuses on IT managed services and Web Development.Read More
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947$1,000+Freelancer employeesSan Bernardino, CACentrenex, an unified communications consulting & SI company, focus on unified communications consulting & SI and cloud consulting & SI. They were founded in 2015.Read More
Industries
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948$1,000+10 - 49 employeesSan Francisco, CAOddience is an IT strategy consulting company. They are headquartered in Lagos, Nigeria and San Francisco, California, and their services include IT strategy consulting and CRM consulting and SI.Read More
Industries
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949$5,000+10 - 49 employeesRocklin, CAEstablished in 2003, Intuitive Networks, Inc. Is a small IT managed services company located in Rocklin, California. Their team provides IT managed services and IT strategy consulting.Read More
Industries
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950Undisclosed10 - 49 employeesSan Diego, CAShammam Consulting Services, Inc. Is a small San Diego, California-based Business Consulting company. Their services include Business Consulting and IT strategy consulting.Read More
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951Undisclosed10 - 49 employeesLong Beach, CAIn Long Beach, California, Total Network Solutions is a small IT managed services and IT staff augmentation company. The team provides IT managed services and IT staff augmentation.Read More
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952Undisclosed10 - 49 employeesSanta Clara, CASagacent Technologies is an IT strategy consulting company. The Santa Clara, California-based agency was established in 2000. Their team offers IT strategy consulting and cloud consulting & SI.Read More
Industries
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953Undisclosed10 - 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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954Undisclosed10 - 49 employeesMonterey, CALaunched in 2008, Rayne Technology Solutions, Inc. Is a Cybersecurity and IT managed services company. Their team focuses on Cybersecurity and IT managed services.Read More
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955Undisclosed10 - 49 employeesSan Jose, CARightapp4u is a Content Marketing company. Their small team of employees is in San Jose, California. Their team offers Content Marketing and Search Engine Optimization.Read More
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956$1,000+2 - 9 employeesTemecula, CAIronguard IT is an IT strategy consulting company. Launched in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
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957$5,000+50 - 249 employeesSan Francisco, CAMillennium Technology Services is a midsize IT managed services company in San Francisco, California and Singapore, Singapore. Their services include IT managed services and IT staff augmentation.Read More
Industries
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958UndisclosedFreelancer employeesLos Angeles, CAOn Call Business Communications, an unified communications consulting & SI company, was established in 2020. The team focuses on unified communications consulting & SI and IT managed services.Read More
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959Undisclosed250 - 999 employeesLos Angeles, CARead More
ES99 is a branding company launched in 1999. They are in Chicago, Illinois and have a midsize team. Their services include branding, advertising, direct marketing, market research, and more.
Industries
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960$1,000+Freelancer employeesWest Covina, CAKeeter Technical Service Company LLC is a small Cybersecurity company. Launched in 1992, the team focuses on Cybersecurity and IT strategy consulting.Read More
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