England Cybersecurity Providers

BAE Systems is the UK's largest defence contractor, producing military aircraft, naval vessels, armoured vehicles, and electronic warfare systems. The company is a major supplier…

BAE Systems Digital Intelligence provides AI, data analytics, and cybersecurity solutions for aerospace and defence clients, supporting mission-critical systems and intelligence programmes.

Bridewell is a UK cybersecurity services company providing managed security operations, OT/ICS security, and compliance consulting for critical national infrastructure operators.

BT Group is a British multinational telecommunications company providing fixed-line, broadband, mobile, and enterprise networking services across the UK and internationally.

Claranet is a UK managed services provider privately held by NMT Group, offering cloud, networking, and cybersecurity solutions across Europe.

CybSafe is a UK human risk management platform using behavioural science and AI to reduce cybersecurity risks caused by human error. It helps enterprises measure,…

Garrison is a UK cybersecurity company providing hardware-enforced browser isolation technology that protects enterprises from malicious web content without software vulnerabilities.

Immersive Labs is a UK cybersecurity workforce development platform providing hands-on cyber labs and crisis simulations to build enterprise security team capabilities.

Intercede is a UK digital identity and credential management company providing PKI-based identity solutions for government, defence, and enterprise clients.

Pentest People is a UK penetration testing and security assurance company providing red team assessments, vulnerability management, and security testing services to enterprises.

Praxis Security is a UK cybersecurity consultancy providing penetration testing, red team assessments, and security architecture services for enterprise clients.

Praxis Security Labs is a UK cybersecurity research and assessment company providing bespoke security testing, red team operations, and vulnerability research for enterprise clients.

Quantexa is a UK AI company providing contextual decision intelligence platforms for financial crime detection, customer intelligence, and risk management in financial services.

Sapien Cyber is a UK AI-powered cyber threat detection company providing automated threat hunting and incident triage for enterprise security operations centres.

Senseon is a UK AI cybersecurity company providing autonomous threat detection and investigation using AI to correlate signals across endpoints, network, and cloud.

Titania is a UK network security assurance company providing automated configuration audit tools for network devices, helping enterprises identify and fix security misconfigurations.

Trustonic is a UK device security company providing trusted execution environment technology for mobile devices, IoT, and connected vehicles to protect sensitive operations.