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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691Undisclosed2 - 9 employeesFresno, CABreadcrumb Cybersecurity is a Cybersecurity and IT managed services company. The Fresno, California-based agency offers Cybersecurity and IT managed services.Read More
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692Undisclosed2 - 9 employeesGoleta, CASynergy Computing, Inc., a Cybersecurity and IT managed services company, was launched in 1995. Located in Goleta, California, the team offers Cybersecurity and IT managed services.Read More
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693Undisclosed2 - 9 employeesSan Jose, CAGuardNet, Inc., a small Cybersecurity and IT managed services company, is headquartered in San Jose, California. The team offers Cybersecurity and IT managed services.Read More
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694Undisclosed2 - 9 employeesSan Francisco, CABased in San Francisco, California, Ooctolabnet is a small Cybersecurity and IT managed services company. Their services include Cybersecurity and IT managed services.Read More
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695Undisclosed2 - 9 employeesSan Jose, CATotally Networked, a small Cybersecurity and IT managed services company, is in Kailua, Hawaii and San Jose, California. The team focuses on Cybersecurity and IT managed services.Read More
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696$5,000+10 - 49 employeesOntario, CAEstablished in 2021, Xel Advisors is a branding company. The team provides Branding and Social Media Marketing and is based in Ontario, California and Orlando, Florida.Read More
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697Undisclosed50 - 249 employeesHermosa Beach, CAFounded in 2016, REDESIGN is a Cybersecurity company. The team focuses on Cybersecurity and IT managed services.Read More
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698$1,000+50 - 249 employeesCamarillo, CAValeo Networks Inc. Is an IT managed services company. Their team is in Rockledge, Florida and Camarillo, California and provides IT managed services and Cybersecurity.Read More
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699Undisclosed250 - 999 employeesBurbank, CACore BTS, an IT managed services company, was established in 1984. The agency offers IT managed services and IT strategy consulting.Read More
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700$1,000+2 - 9 employeesSan Bruno, CALocated in San Bruno, California, Ovalweb is a small software development company. Their services include Custom Software Development and Web Design.Read More
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701$5,000+10 - 49 employeesBakersfield, CAARRC Technology is an IT managed services company. Their small team of employees is located in Bakersfield, California. Their team provides IT managed services and other IT consulting and SI.Read More
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702$5,000+10 - 49 employeesSan Diego, CATaranet is a San Diego, California-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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703Undisclosed10 - 49 employeesUpland, CAResource Computer Solutions is a small Upland, California-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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704Undisclosed10 - 49 employeesVentura, CAIT managed services company Mitec Solutions Inc. Is in Ventura, California. They provide IT managed services and Web Design and were founded in 2007.Read More
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705$1,000+10 - 49 employeesBurbank, CACRM consulting and SI company Skyline Consultants was founded in 2018. The agency offers CRM consulting and SI and IT managed services.Read More
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706Undisclosed10 - 49 employeesEncinitas, CA5P Consulting is an IT managed services company founded in 2016. In Encinitas, California, the team offers IT managed services and CRM consulting and SI.Read More
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707Undisclosed10 - 49 employeesSanta Rosa, CASR Technologies, Inc., an IT managed services company, is headquartered in Santa Rosa, California. They specialize in IT managed services and cloud consulting & SI and were founded in 2014.Read More
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708Undisclosed10 - 49 employeesIrvine, CANext IT Solutions, a small Cybersecurity company, is in Irvine, California. The team provides Cybersecurity and IT managed services.Read More
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709Undisclosed10 - 49 employeesLos Angeles, CACybersecurity company Mannassi IT Solutions was launched in 1996. The firm provides Cybersecurity and IT managed services, and is small.Read More
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710$10,000+1,000 - 9,999 employeesFoster City, CALaunched in 1997, All Covered is an IT managed services company. The team specializes in IT managed services and cloud consulting & SI.Read More
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711$10,000+10 - 49 employeesPleasanton, CACirculants is an IT managed services company in Pleasanton, California and Jaipur, India. Established in 2018, the team provides IT managed services and CRM consulting and SI.Read More
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712Undisclosed2 - 9 employeesLake Forest, CACloud consulting & SI company SupportLine was founded in 2014. In Lake Forest, California, the team focuses on cloud consulting & SI and IT managed services.Read More
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713$50,000+10 - 49 employeesCupertino, CANewstar Corporation is a small cloud consulting & SI company located in Cupertino, California and Bengaluru, India. The team focuses on cloud consulting & SI and IT managed services.Read More
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714Undisclosed10 - 49 employeesLos Angeles, CACure8 - Cannabis IT Services is an IT managed services company. The Los Angeles, California-based agency was founded in 2021. Their services include IT managed services and Cybersecurity.Read More
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715$1,000+2 - 9 employeesLos Angeles, CAOnTime Tech Pros is an IT strategy consulting company. They offer IT strategy consulting, unified communications consulting & SI, cybersecurity, IT managed services, and more and were launched in 2013. Their small team is Los Angeles, California-based.Read More
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716Undisclosed250 - 999 employeesSan Francisco, CAWideOrbit is a midsize Advertising company in San Francisco, California and City of London, England. The team provides Advertising and Marketing Strategy.Read More
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717Undisclosed250 - 999 employeesCupertino, CAR4Solutions Inc is a big data analytics company. The midsize Cupertino, California-based team specializes in BI & big data consulting & SI and cloud consulting & SI. The company was founded in 2007.Read More
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718$5,000+50 - 249 employeesSan Mateo, CAPingCAP is a big data analytics company. They specialize in BI & big data consulting & SI and IT managed services and are headquartered in San Mateo, California and Beijing, China.Read More
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719Undisclosed50 - 249 employeesEl Segundo, CALogin Consulting is a Staffing company. The El Segundo, California-based firm focuses on Staffing and IT managed services.Read More
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720Undisclosed50 - 249 employeesTorrance, CACMTC, an IT managed services company, is headquartered in Torrance, California. They specialize in IT managed services and IT strategy consulting.Read More
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