MSSP Directory: Compare Managed Security Service Providers
This directory lists managed security service providers (MSSPs), the companies that run security monitoring, threat detection, and incident response for organizations without a full in-house security operations center. Filter the full list by service, industry, company size, and security platform to narrow it into a shortlist you can compare side by side.
Compare managed security service providers. Use filters to narrow your search. The directory covers providers across all major service categories (MDR, SIEM management, vulnerability scanning, incident response, and more) as well as a wide range of industries and security platforms. Use the filter sidebar to narrow results by the criteria that matter most to your organization, and combine multiple filters to zero in on the right shortlist. Each provider profile includes service details, certifications, platform expertise, and key operational facts so you can compare options without leaving the page. New to MSSPs? Read our guide on what managed security service providers do or see the best MSSP providers in 2026. To turn a long list into a focused evaluation set, use our MSSP provider shortlist guide.

Optiv Security
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Manufacturing
Optiv is one of the largest pure-play cybersecurity companies in North America, founded in 2015 in Denver with 2,000+ employees and offering managed security, c...
Orange Cyberdefense
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Telecommunications
Orange Cyberdefense is the cybersecurity arm of Orange Group, employing 3,000+ security experts across Europe and Asia and operating 18 SOCs to defend organizat...

OrbitalFire Cybersecurity
Best for: SMB to Mid-Market orgs, Manufacturing
OrbitalFire provides managed cybersecurity services and compliance solutions to small and mid-sized businesses in New York.
Owlneck Consulting Services
Best for: SMB to Mid-Market orgs, Technology
Owlneck provides managed cybersecurity and IT consulting services to organizations in India.

Palo Alto Networks Unit 42
Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Manufacturing
Palo Alto Networks delivers managed extended detection and response through its Cortex XMDR service, backed by Unit 42 threat research and incident response exp...
Paranet Solutions
Best for: SMB to Mid-Market orgs, Manufacturing, Legal
Paranet Solutions provides managed cybersecurity and cloud services to mid-market organizations in Texas, offering SOC operations, vulnerability management, and...
PCA Technology Solutions
Best for: SMB to Mid-Market orgs, Manufacturing, Education
PCA Technology Solutions delivers managed IT and cybersecurity services to businesses in Arkansas, offering comprehensive threat protection and compliance suppo...
Pearl Technology
Best for: SMB to Mid-Market orgs, Manufacturing, Education
Pearl Technology provides managed IT and cybersecurity services to organizations in the Midwest, offering threat monitoring, compliance support, and cloud secur...

Perch Security
Best for: Startups to Mid-Market orgs, Education, Government & Public Sector
Perch Security provides co-managed threat detection and response, combining community-driven threat intelligence with SOC services designed for small businesses...
Pondurance
Best for: SMB to Mid-Market orgs, Manufacturing, Government & Public Sector
Pondurance is an Indianapolis-based MDR firm founded in 2008 with a US-only SOC model, delivering human-led threat hunting and 24/7 detection and response with...

Presidio
Best for: Mid-Market to Enterprise orgs, Legal, Government & Public Sector
Presidio is a global digital services provider and Top 250 MSSP, delivering managed detection and response, cloud security, and comprehensive cybersecurity serv...
Proact IT
Best for: SMB to Mid-Market orgs, Manufacturing, Government & Public Sector
Proact IT Group provides managed security services, cloud operations, and IT infrastructure management as a Nordic IT services company serving organizations acr...