Browse MSSP Providers
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 top MSSPs in 2026.
SEK - Security Ecosystem Knowledge
Best for: Mid-Market to Enterprise orgs, Telecommunications, Energy & Utilities
SEK is a leading Latin American cybersecurity company delivering managed security operations, threat intelligence, and incident response services across Brazil...
Sekuro
Best for: SMB to Enterprise orgs, Technology, Government & Public Sector
Sekuro is an Australian cybersecurity services company providing managed security operations, penetration testing, and security consulting for mid-market and en...
SemTech IT Solutions
Best for: SMB to Mid-Market orgs, Manufacturing
SemTech IT Solutions provides managed IT and cybersecurity services to businesses in Central Florida.
Sennovate
Best for: Mid-Market to Enterprise orgs, Technology, Government & Public Sector
Sennovate provides managed identity security, SOC-as-a-Service, and zero trust solutions with expertise in IAM and privileged access management.
Sequretek
Best for: SMB to Enterprise orgs, Manufacturing, Government & Public Sector
Sequretek is a cybersecurity company providing AI-powered managed detection and response, endpoint security, and identity management through its unified Percept...
SharkStriker
Best for: SMB to Enterprise orgs, Technology, Manufacturing
SharkStriker provides AI-powered managed detection and response, SOC-as-a-Service, and compliance automation through its unified cybersecurity platform.
shelt
Best for: SMB to Mid-Market orgs, Government & Public Sector, Technology
shelt is a Cypriot cybersecurity company providing managed security services and compliance solutions to organizations in Cyprus and the Eastern Mediterranean.
Siemba
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
Siemba provides pentesting-as-a-service and continuous security validation through its AI-powered platform.
sigmavista IT consulting
Best for: Mid-Market to Enterprise orgs, Manufacturing, Government & Public Sector
sigmavista is an Austrian IT consulting and managed security services provider delivering cybersecurity operations and compliance support across Central Europe.
Sikich
Best for: SMB to Enterprise orgs, Manufacturing, Government & Public Sector
Sikich is a Chicago-based professional services firm founded in 1982 operating a full-scale 24/7 MSSP practice with approximately 2,000 employees, serving corpo...
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.