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.
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...
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...
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.
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...
Site2
Best for: SMB to Mid-Market orgs, Manufacturing, Education
Site2 provides managed IT and cybersecurity services to businesses in northeastern Pennsylvania, offering security monitoring and cloud solutions.
Smarttech247
Best for: SMB to Enterprise orgs, Technology, Retail & E-Commerce
Smarttech247 is an Irish managed detection and response provider delivering 24/7 SOC services, threat intelligence, and compliance support from its security ope...
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.
Solo Network
Best for: Mid-Market to Enterprise orgs, Manufacturing, Retail & E-Commerce
Solo Network is a Brazilian IT and cybersecurity services provider delivering managed security, Microsoft-centric solutions, and cloud services to enterprises a...
SoundWay Consulting
Best for: SMB to Mid-Market orgs, Government & Public Sector, Nonprofit
SoundWay Consulting provides managed cybersecurity and IT services to businesses in the Washington D.C. metropolitan area.