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.
Securitas Technology
Best for: Mid-Market to Enterprise orgs, Retail & E-Commerce, Energy & Utilities
Securitas Technology provides managed cybersecurity services alongside physical security solutions, delivering integrated digital and physical security operatio...
Security Validation
Best for: SMB to Mid-Market orgs, Retail & E-Commerce, Technology
Security Validation (SecVal) provides managed security services, compliance assessments, and penetration testing focused on helping organizations validate and s...

SecurityHQ
Best for: SMB to Enterprise orgs, Retail & E-Commerce, Government & Public Sector
SecurityHQ provides managed security services through a global network of SOCs, offering MDR, SIEM management, and incident response with a focus on the Middle...
Silent Breach
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
Silent Breach is a cybersecurity firm offering managed security services, penetration testing, and vulnerability assessments, powered by its proprietary AI-driv...

SISAP
Best for: SMB to Enterprise orgs, Telecommunications, Government & Public Sector
SISAP is Central America's leading cybersecurity company providing SOC operations, managed security services, and compliance solutions across Latin America.
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...
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.
SonicWALL
Best for: SMB to Enterprise orgs, Retail & E-Commerce, Education
SonicWall delivers managed security services through its network of global partners, leveraging its deep expertise in next-generation firewalls, threat intellig...
StartCloud
Best for: Startups to SMB orgs, Transportation & Logistics
StartCloud is a Perth-based managed security and IT services provider delivering 24/7 threat monitoring, incident response, endpoint and email security, vulnera...
Swisscom
Best for: Mid-Market to Enterprise orgs, Government & Public Sector, Manufacturing
Swisscom provides managed security operations, SOC services, and cybersecurity consulting as Switzerland's leading telecommunications company, with deep experti...
Systems Engineering
Best for: SMB to Mid-Market orgs, Manufacturing, Education
Systems Engineering provides managed IT and cybersecurity services to businesses in Maine and New England.

T-Systems Security
Best for: Enterprise orgs, Government & Public Sector, Manufacturing
T-Systems is Deutsche Telekom's enterprise IT division founded in 1995, providing managed security services to 3,000+ enterprise and government clients globally...