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.

SpearTip
Best for: SMB to Enterprise orgs, Manufacturing, Education
SpearTip provides managed detection and response, cyber counterintelligence, and incident response services through its 24/7 Security Operations Center.
Spectrumwise
Best for: SMB to Mid-Market orgs, Manufacturing
Spectrumwise provides managed IT and cybersecurity services to businesses in Charlotte, North Carolina.
Stripe OLT
Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing
Stripe OLT is a UK managed cybersecurity and IT services provider delivering SOC operations, threat monitoring, and compliance services to enterprises.
Summit7
Best for: SMB to Mid-Market orgs, Defense & Aerospace, Government & Public Sector
Summit7 specializes in CMMC compliance and Microsoft-centric managed security services for defense industrial base contractors and government suppliers.
Supra ITS
Best for: SMB to Mid-Market orgs, Manufacturing
Supra ITS provides managed IT and cybersecurity services to businesses in Ontario, Canada.
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...
Sygnia
Best for: Mid-Market to Enterprise orgs, Technology, Energy & Utilities
Sygnia is an elite Israeli cybersecurity firm founded in 2015 by veterans of Unit 8200, delivering advanced incident response, threat hunting, and MDR services...
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...

Tech Mahindra
Best for: Enterprise orgs, Telecommunications, Manufacturing
Tech Mahindra delivers managed security services, SOC operations, and cybersecurity consulting as one of India's largest IT services companies, serving enterpri...
TechOnPurpose
Best for: SMB to Mid-Market orgs, Technology
TechOnPurpose provides managed IT and cybersecurity services to businesses in Austin, Texas, offering security monitoring and compliance support.
Telefonica Tech
Best for: Mid-Market to Enterprise orgs, Telecommunications, Government & Public Sector
Telefonica Tech is the cybersecurity and digital transformation arm of the Telefonica Group, providing managed security operations and MDR services across Europ...