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.
enhanced.io
Best for: Mid-Market to Enterprise orgs, Technology, Legal
enhanced.io is a Scottish cybersecurity firm providing managed detection and response, security operations, and consulting services to enterprises across the UK...
eSecurity Solutions
Best for: SMB to Mid-Market orgs, Technology, Retail & E-Commerce
eSecurity Solutions provides managed cybersecurity services including SIEM management, SOC operations, and compliance monitoring for organizations across the US...
eSentire
Best for: Mid-Market to Enterprise orgs, Legal, Insurance
eSentire is a global MDR leader founded in 2001, protecting 2,000+ organizations across 80+ countries with 24/7 threat detection, containment, and response.
ESET
Best for: SMB to Enterprise orgs, Education, Technology
ESET delivers managed detection and response through its ESET PROTECT platform, combining decades of endpoint security research with 24/7 threat monitoring and...
Espresso Labs
Best for: Startups to Mid-Market orgs, Manufacturing, Technology
Espresso Labs is an AI-native managed IT, cybersecurity, and compliance provider delivering 24/7 monitoring, endpoint detection and response, cloud and email se...
Eventus Security
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
Eventus Security is an Indian cybersecurity company providing managed SOC services, threat intelligence, and incident response to enterprises across India and t...
Expel
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
Expel provides transparent, technology-driven managed detection and response that gives customers full visibility into how security decisions are made and threa...
EY Cybersecurity
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
EY (Ernst & Young) is a Big Four professional services firm with a global managed security practice, delivering threat detection, incident response, and cyber r...
Eye Security
Best for: SMB to Mid-Market orgs, Manufacturing, Retail & E-Commerce
Eye Security is a Dutch managed cybersecurity provider delivering endpoint protection, MDR, and cyber insurance integration for mid-market organizations across...
Field Effect
Best for: Startups to Mid-Market orgs, Technology, Government & Public Sector
Field Effect is a Canadian cybersecurity company providing MDR through its Covalence platform, designed to deliver enterprise-grade threat detection to organiza...
ForeNova
Best for: SMB to Enterprise orgs, Manufacturing, Technology
ForeNova provides network detection and response as a managed service, specializing in identifying threats through network traffic analysis for small and mid-si...
Foresite Cybersecurity
Best for: SMB to Mid-Market orgs, Technology, Manufacturing
Foresite is an Overland Park, KS-based MSSP and MDR provider founded in 2013, delivering 24/7 security operations, compliance management, and threat hunting for...