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.

Locknet Managed IT logo

Locknet Managed IT

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

Locknet Managed IT provides cybersecurity and managed IT services to businesses across the Midwest, specializing in proactive threat monitoring and compliance s...

Wausau, WI51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionNetwork Security MonitoringSecurity Awareness Training+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
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NetCov logo

NetCov

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

NetCov provides managed cybersecurity services to businesses in the New England area, offering threat monitoring, vulnerability management, and compliance suppo...

Danvers, MA51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionVulnerability ManagementNetwork Security Monitoring+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
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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)
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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)
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ScienceSoft logo

ScienceSoft

Best for: SMB to Enterprise orgs, Retail & E-Commerce, Manufacturing

ScienceSoft provides managed security services as part of its broader IT consulting and software development practice, offering security monitoring, vulnerabili...

McKinney, TX500-1000 employees1 hour SLA
SIEM ManagementVulnerability ManagementCompliance ManagementCloud Security+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Secure logo

Secure

Best for: Startups to Mid-Market orgs, Manufacturing, Education

Secure Cyber Defense provides managed SOC services, threat monitoring, and incident response to small and mid-sized businesses in the Ohio region.

Moraine, OH51-200 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementEndpoint Protection+2 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
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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)
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Sikich logo

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...

Chicago, IL1000+ employees1 hour SLA
Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability ManagementEndpoint Detection & Response (EDR)+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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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...

New York, NY51-200 employees1 hour SLA
Managed Detection & Response (MDR)Penetration TestingVulnerability ManagementCloud Security+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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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...

Balcatta, Western Australia
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)SIEM ManagementVulnerability Management+11 more
Serves: Startups (1-50), SMB (51-200)
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Summit7 logo

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.

Huntsville, AL51-200 employees1 hour SLA
Managed Detection & Response (MDR)Cloud SecurityCompliance ManagementVulnerability Management+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Thrive

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

Thrive is a managed services provider delivering cybersecurity operations, cloud services, and IT management for mid-market organizations across the US.

Foxborough, MA200-500 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionVulnerability ManagementCloud Security+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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