subsector: Managed Security Services (MSSP)

This directory includes brands that have been independently assessed, benchmarked, or scored using the Market Authority Index (MAI). Brands are listed by MAI score from highest to lowest. MAI Assessed brands have been individually evaluated. MAI Estimated brands are benchmarked against sector data.

Ergo Group

#1 in Managed Security Services (MSSP) · Ireland
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MAI Expected
MAI: 83
About: Irish enterprise managed security services
AI Buyer Signal: High — Major Irish managed security provider with strong HA (80) and SC (88); well-established enterprise buyer signals

WithSecure

#1 in Managed Security Services (MSSP) · Finland
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MAI Expected
MAI: 78
About: Finnish endpoint security and managed detection and response
AI Buyer Signal: High — strong HA (73), Finnish cybersecurity leader with F-Secure heritage (since 1988); well-positioned for AI-assisted enterprise security discovery

Advenica

#1 in Managed Security Services (MSSP) · Sweden
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MAI Expected
MAI: 71
About: High-security data diode solutions
AI Buyer Signal: Medium-High — High-security data diode specialist with strong niche authority; HA 65 and SC 81 indicate credible vendor signals

Orange Cyberdefense

#1 in Managed Security Services (MSSP) · France
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MAI Expected
MAI: 71
About: French managed security services provider, Orange Group subsidiary
AI Buyer Signal: Medium — major European MSSP and Orange Group subsidiary (3000+ specialists); strong structural credentials but limited independent B2B review presence

Clavister

#2 in Managed Security Services (MSSP) · Sweden
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MAI Expected
MAI: 70
About: Swedish cybersecurity for critical infrastructure
AI Buyer Signal: Medium-High — Listed Swedish cybersecurity vendor with solid HA (65) and strong SC (78); recognized in enterprise security segment

Ekco

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MAI Expected
MAI: 59
About: Irish managed cloud and security
AI Buyer Signal: Medium — Decent SC (72) but HA (50) at threshold; growing Irish cloud/security provider but not yet dominant