Top 40 Managed SIEM Providers in California
The Best of December 2025Looking for a top managed SIEM service in California?
Managed SIEM providers are essential partners for businesses seeking to outsource their SIEM capabilities and enhance their security operations. By collaborating with managed SIEM providers, businesses can offload the burden of SIEM management, gain access to expert security resources, and strengthen their defenses against cyber threats.
To assist you in your search for a partner, we’ve compiled this list of the top managed SIEM services in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California SIEM Managed Service Providers
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31Undisclosed2 - 9 employeesBrea, CAEstablished in 2010, Brea Networks, LLC is an IT managed services company. Their services include IT managed services and Compliance Consulting.Read More
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32Undisclosed10 - 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
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33$1,000+2 - 9 employeesWest Hollywood, CASecure Origin is a Cybersecurity and IT managed services company based in West Hollywood, California. They focus on Cybersecurity and IT managed services.Read More
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34Undisclosed2 - 9 employeesFresno, CAHeadquartered in Fresno, California, Royalty Site Design is a branding firm. They specialize in Branding and Search Engine Optimization.Read More
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35$5,000+10 - 49 employeesSan Francisco, CAFounded in 2007, Snap Tech IT is a cybersecurity company. The company focuses on cybersecurity, cloud consulting & SI, and IT managed services and has a small team.Read More
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36Undisclosed250 - 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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37Undisclosed50 - 249 employeesSan Jose, CADigital Strategy company Catalyst Business Partners was established in 2002. The firm specializes in Digital Strategy and cloud consulting & SI, and is midsize.Read More
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38UndisclosedFreelancer employeesSan Diego, CAVulnalysis LLC is a Cybersecurity company based in San Diego, California. They specialize in Cybersecurity and IT strategy consulting and were launched in 2023.Read More
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39$5,000+250 - 999 employeesPleasanton, CANet at Work LLC is a midsize IT managed services company. The New York, New York-based firm was established in 1996. Their team specializes in IT managed services and Cybersecurity.Read More
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Palmer HollandIndustries
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40$10,000+1,000 - 9,999 employeesSan Ramon, CARead More
Neurealm is a Cybersecurity company. They specialize in Cybersecurity, Custom Software Development, Artificial Intelligence, Generative AI, and more and were founded in 1998. Their large team is headquartered in Princeton, New Jersey; San Ramon, California; Santa Clara, California and Chennai, India.
Industries
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