Top 40 Network Security Companies in San Francisco
The Best of April 2026Looking for a top network security firm in San Francisco?
Network security is critical for businesses. Protecting sensitive data and preserving trust are top priorities. Network security companies offer services like threat detection, encryption, assessments, and incident response planning. By partnering with these experts, businesses can fortify their defenses and maintain their reputation in the face of evolving cyber threats.
To assist you in your search for a partner, we’ve compiled this list of the top network security service providers in San Francisco. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best San Francisco Network Security Providers
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31$1,000+50 - 249 employeesSanta Clara, CAGoognu data service pvt. Ltd is a business intelligence company. The Santa Clara, California-based firm focuses on BI & big data consulting & SI and cloud consulting & SI.Read More
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32Undisclosed10 - 49 employeesPalo Alto, CAEstablished in 2009, CIO Professional Services, LLC is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.Read More
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33$1,000+10 - 49 employeesFairfield, CAEstablished in 2008, nDataStor Inc, a small Cybersecurity company, is headquartered in Fairfield, California and Sacramento, California. Their team offers Cybersecurity and IT managed services.Read More
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34$1,000+10 - 49 employeesSanta Clara, CACyberHAWKS is an IT managed services company. Their small team is in Santa Clara, California. Their services include IT managed services and cloud consulting & SI.Read More
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35$1,000+10 - 49 employeesSan Jose, CARead More
SRS Networks is an IT firm based in Salinas, Calif. Founded in 1996, their team of 30 serves clients in the transportation sectors. Services include IT strategy and staff augmentation.
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36Undisclosed2 - 9 employeesPetaluma, CADeura Information Security Consulting LLC , a Compliance Consulting company, was launched in 2002. Based in Petaluma, California, the team specializes in Compliance Consulting and Cybersecurity.Read More
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37Undisclosed10 - 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
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38Undisclosed2 - 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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39Undisclosed10 - 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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40Undisclosed2 - 9 employeesSan Jose, CALaunched in 2010, DOSANJH USA Inc., a small IT strategy consulting company, is based in San Jose, California. Their team focuses on IT strategy consulting and Cybersecurity.Read More
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41Undisclosed2 - 9 employeesMilpitas, CACygne Noir Cyber, LLC, a Cybersecurity company, was established in 2023. The team specializes in Cybersecurity and IT managed services.Read More
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42Undisclosed2 - 9 employeesSan Jose, CAIT strategy consulting company Esudo Technology Solutions is in San Jose, California. Founded in 2001, the team specializes in IT strategy consulting and Cybersecurity.Read More
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43$10,000+10 - 49 employeesSan Jose, CALocated in San Jose, California and Vancouver, Canada, A-CX is a Cybersecurity company. They focus on Cybersecurity and Custom Software Development and were launched in 2020.Read More
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