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.

Computacenter

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

Computacenter delivers managed cybersecurity services, SOC operations, and security consulting as one of Europe's largest independent IT infrastructure services...

Hatfield, UK1000+ employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Endpoint ProtectionFirewall ManagementCloud Security+2 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Computer Systems Incorporated logo

Computer Systems Incorporated

Best for: SMB to Mid-Market orgs, Manufacturing

Computer Systems Incorporated (CSI) provides managed IT and cybersecurity services to businesses in the Omaha area and across the Midwest.

Omaha, NE51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Comtrade System Integration

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

Comtrade System Integration provides managed security services, IT infrastructure solutions, and digital transformation consulting across Southeast Europe.

Belgrade, Serbia500-1000 employees30 minutes SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Cloud SecurityVulnerability Management+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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Convergence

Best for: SMB to Enterprise orgs, Energy & Utilities, Government & Public Sector

Convergence Group is a South African managed cybersecurity provider delivering SOC services, MDR, and IT security management for organizations across Southern A...

Johannesburg, South Africa200-500 employeesNot disclosed SLA
Security Operations Center as a Service (SOCaaS)Managed Detection & Response (MDR)Endpoint ProtectionCloud Security+1 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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CoreTek

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

CoreTek provides managed IT and cybersecurity services to mid-market organizations in Michigan, specializing in cloud security, Microsoft solutions, and complia...

Farmington, MI51-200 employees1 hour SLA
Managed Detection & Response (MDR)Cloud SecurityEndpoint ProtectionVulnerability Management+1 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Corsica Technologies logo

Corsica Technologies

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

Corsica Technologies provides managed security services as part of a full-service IT managed services practice, serving small and mid-size businesses primarily...

Centreville, MD51-200 employees1 hour SLA
Managed Detection & Response (MDR)Endpoint ProtectionVulnerability ManagementFirewall Management+4 more
Serves: Startups (1-50), SMB (51-200), Mid-Market (201-1000)
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Critical Start logo

Critical Start

Best for: Mid-Market to Enterprise orgs, Technology, Manufacturing

Critical Start is a Plano, TX-based MDR provider founded in 2012, known for their Cyber Operations Risk and Response (CORR) platform and transparent alert-resol...

Plano, TX200-500 employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint Detection & Response (EDR)Threat IntelligenceIncident Response+1 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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CrowdStrike logo

CrowdStrike

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

CrowdStrike provides fully managed endpoint protection and detection services built on the Falcon platform, offering turnkey MDR with their own security experts...

Austin, TX1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Endpoint ProtectionCloud SecurityIncident Response+3 more
Serves: SMB (51-200), Mid-Market (201-1000), Enterprise (1000+)
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Cyber Advisors

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

Cyber Advisors is a security-led managed services provider offering 24/7 managed detection and response, penetration testing, and compliance auditing for busine...

Maple Grove, MN51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Penetration TestingCompliance ManagementEndpoint Protection+2 more
Serves: SMB (51-200), Mid-Market (201-1000)
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Cyber Sainik

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

Cyber Sainik provides managed security services and SOC operations targeting mid-market organizations, offering threat monitoring, incident response, and compli...

US51-200 employeesNot disclosed SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Incident ResponseCompliance Management
Serves: SMB (51-200), Mid-Market (201-1000)
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CyberCX logo

CyberCX

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

CyberCX is the largest independent cybersecurity company in Australia and New Zealand, formed in 2019 by combining 14 leading firms with 1,400+ security profess...

Melbourne, Australia1000+ employees15 minutes SLA
Managed Detection & Response (MDR)Security Operations Center as a Service (SOCaaS)Incident ResponsePenetration Testing+3 more
Serves: Mid-Market (201-1000), Enterprise (1000+)
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CyberMaxx logo

CyberMaxx

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

CyberMaxx provides managed security services and incident response focused on mid-market organizations, with strength in healthcare and financial services compl...

Nashville, TN51-200 employees30 minutes SLA
Managed Detection & Response (MDR)SIEM ManagementVulnerability ManagementIncident Response+3 more
Serves: SMB (51-200), Mid-Market (201-1000)
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