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.

Nettitude logo

Nettitude

Best for: Mid-Market to Enterprise orgs, Energy & Utilities, Government & Public Sector

Nettitude is a London-based CREST-accredited MSSP and cybersecurity consultancy founded in 2003, delivering managed security, penetration testing, and incident...

London, UK200-500 employees30 minutes SLA
Managed Detection & Response (MDR)Penetration TestingIncident ResponseThreat Intelligence+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
View provider
Node4 logo

Node4

Best for: SMB to Mid-Market orgs, Legal, Manufacturing

Node4 is a UK-based managed services provider delivering cybersecurity operations, cloud services, and IT infrastructure management for mid-market organizations...

Derby, UK500-1000 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionVulnerability ManagementCloud Security+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider
NormCyber logo

NormCyber

Best for: SMB to Mid-Market orgs, Manufacturing, Technology

NormCyber is a UK-based managed security services provider offering cyber threat monitoring, vulnerability management, and compliance-as-a-service for mid-marke...

Fareham, UK51-200 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Vulnerability ManagementSecurity Awareness Training+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider

Ntiva

Best for: SMB to Mid-Market orgs, Government & Public Sector, Legal

Ntiva provides managed cybersecurity services, endpoint protection, and compliance support as a US-based managed IT services provider focused on mid-market orga...

McLean, VA200-500 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionVulnerability ManagementSecurity Awareness Training+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider

Omega Systems

Best for: SMB to Enterprise orgs, Manufacturing, Government & Public Sector

Omega Systems is a Philadelphia-area MSP/MSSP specializing in regulated industries, delivering managed detection and response, 24/7 SOC operations, endpoint and...

Exton, PA51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Extended Detection & Response (XDR)Endpoint Detection & Response (EDR)+7 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
View provider

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...

Carrollton, TX51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Cloud SecurityVulnerability Management+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider
Perch Security logo

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...

Tampa, FL51-200 employees1 hour SLA
Managed Detection & Response (MDR)SIEM ManagementNetwork Security MonitoringThreat Intelligence+2 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
View provider
Presidio logo

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...

New York, NY1000+ employees30 minutes SLA
Managed Detection & Response (MDR)Cloud SecurityVulnerability ManagementFirewall Management+4 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
View provider

Reliance Cyber

Best for: SMB to Enterprise orgs, Legal, Technology

Reliance Cyber is a UK-based managed cybersecurity provider delivering SOC services, MDR, and security consulting for mid-market and enterprise organizations ac...

London, UK51-200 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)SIEM ManagementVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
View provider
Sedara logo

Sedara

Best for: SMB to Mid-Market orgs, Manufacturing, Technology

Sedara provides managed detection and response with a focus on building long-term security maturity for mid-market organizations, combining SOC services with st...

Buffalo, NY51-200 employees30 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+4 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider
Socura logo

Socura

Best for: Mid-Market to Enterprise orgs, Technology, Legal

Socura is a UK managed detection and response provider delivering 24/7 SOC operations, threat hunting, and incident response with a focus on rapid threat contai...

Cardiff, UK51-200 employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Threat IntelligenceIncident Response+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
View provider
SolCyber logo

SolCyber

Best for: SMB to Mid-Market orgs, Technology, Manufacturing

SolCyber provides modernized managed security services with a curated technology stack, offering accessible enterprise-grade MDR for mid-market organizations.

Dallas, TX51-200 employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionEmail SecurityNetwork Security Monitoring+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
View provider