Quorum Cyber

Quorum Cyber

Edinburgh, United Kingdom

Managed SecurityDetection & ResponseThreat IntelligenceIncident Response24/7 SOCIncident-response hotline
Founded 2016201-500 employeesServes Enterprise, Public Sector
Profile last updated: August 15, 2026

About

Founded in 2016, Quorum Cyber is a cybersecurity company based in Edinburgh, United Kingdom working in managed security, detection & response, threat intelligence +6 more.

Quorum Cyber is a Microsoft-first cyber security services provider founded in Edinburgh in 2016. It protects around 400 organisations across four continents. The company delivers managed detection and response, threat intelligence, incident response, professional and consulting services, and data and OT security, with a focus on the Microsoft Security stack including Microsoft Sentinel and Microsoft 365 Defender. Its managed services are run by SOC analysts and threat hunting teams, available 24/7 and 365 days a year. Clarity is the name of its customer platform and service framework. The company operates from offices in the UK, US and Canada and has over 350 employees. It holds Microsoft Solutions Partner for Security status and a Microsoft Security Copilot Partner designation.

Location

Edinburgh, United Kingdom

Founded

2016

Employees

201-500

Focus areas

Microsoft SentinelManaged Detection and ResponseMicrosoft SecurityThreat IntelligenceIncident ResponseManaged XDRThreat HuntingOT SecurityData Loss Prevention

Languages

EN

Services & products

Security domains

Managed SecurityDetection & ResponseThreat IntelligenceIncident ResponseCloud SecurityData ProtectionOT/ICS SecurityOffensive SecurityIdentity & Access

How they deliver

Managed ServicesProfessional ServicesConsulting

Operations

Runs a 24/7 security operations centrePublishes an incident-response hotline on its website

Products

Clarity Defend

MDR

Managed detection and response service powered by Microsoft Sentinel and AI, providing 24/7 monitoring, detection and response across the Microsoft environment.

Clarity Extend

MDR

Enhanced detection and response covering the Microsoft Cloud and third-party technologies across the wider IT ecosystem.

Clarity Protect

MDR

Advanced detection and response service, including continuous threat exposure management (CTEM).

Clarity Data & AI

Data security

Helps organisations understand, protect and govern data, reduce insider and AI-related risk, and secure AI adoption.

Clarity OT

OT/ICS security

Managed operational technology detection and response.

Customers

EnterprisePublic Sector

Industries served

Financial ServicesPublic SectorHigher EducationHousing AssociationsRetail and Hospitality

Compliance & partners

Technology partners

Microsoft

Credentials & affiliations

Certifications

Microsoft Solutions Partner for Security

Issued by: Microsoft

Microsoft Security Copilot Partner

Issued by: Microsoft

Microsoft Advanced Specialization: Threat Intelligence

Issued by: Microsoft

Industry memberships

Microsoft Intelligent Security Association

People

Management & team (8)

+ 4 more

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