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.

SecuriCentrix

Best for: Mid-Market to Enterprise orgs, Technology

SecuriCentrix is an Irish managed security services provider delivering SOC operations and cybersecurity consulting to enterprises across Ireland and the UK.

Dublin, Ireland51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementIncident Response+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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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...

Oradell, NJ51-200 employees1 hour SLA
Managed Detection & Response (MDR)Penetration TestingVulnerability ManagementCompliance Management+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
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SecurityHQ logo

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...

London, UK200-500 employees15 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), Enterprise (1000+)
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Securonix logo

Securonix

Best for: Mid-Market to Enterprise orgs, Technology, Government & Public Sector

Securonix provides managed SIEM and UEBA services through its cloud-native analytics platform, specializing in insider threat detection and advanced behavioral...

Addison, TX500-1000 employeesNot disclosed SLA
SIEM ManagementManaged Detection & Response (MDR)Threat IntelligenceCloud Security+1 more
Serves: Mid-Market (201-1000), Enterprise (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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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...

Sydney, Australia51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Penetration TestingCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Sennovate logo

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.

San Ramon, CA51-200 employees15 minutes SLA
Identity & Access Management (IAM)Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Cloud Security
Serves: Mid-Market (201-1000), Enterprise (1000+)
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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...

Little Rock, AR200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Extended Detection & Response (XDR)Endpoint Detection & Response (EDR)Identity & Access Management (IAM)+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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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.

Walnut Creek, CA200-500 employees15 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Extended Detection & Response (XDR)Compliance Management+4 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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shelt logo

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.

Strovolos, Cyprus51-200 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Vulnerability ManagementCompliance Management
Serves: SMB (51-200), Mid-Market (201-1000)
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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.

Alpharetta, GA51-200 employees24 hours SLA
Penetration TestingVulnerability ManagementCompliance Management
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (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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