Top 25 Cybersecurity companies based in the United Kingdom

“HackerOne is a global leader in Continuous Threat Exposure Management (CTEM) and the only solution provider that pairs the simultaneous trust of the Fortune 500 and the world's…”

“SailPoint equips the modern enterprise to seamlessly manage and secure access to applications and data through the lens of identity – at speed and scale.”

“Darktrace is a global leader in AI cybersecurity, providing the essential cybersecurity platform to secure organizations today and for an ever-changing future.”

“Hack The Box is the leading AI-powered cybersecurity readiness and upskilling platform, trusted by 1,500+ organizations worldwide, including Fortune 500 enterprises, government…”

“ZeroFox is the solution to discover, validate, and disrupt external cyber threats before they harm revenue or reputation.”

“Netwrix secures the foundation of modern business: data and identity.”

“SISA is a global forensics-driven cybersecurity solutions company, trusted by leading organizations for securing their businesses with robust preventive, detective, and corrective…”

“Claroty has redefined cyber-physical systems (CPS) protection with an unrivaled industry-centric platform built to secure mission-critical infrastructure.”

“At Roke, we stand at the forefront of defence and security, delivering cutting-edge intelligence and engineering solutions that protect nations, troops, borders, and businesses.”

“Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.”

“Everfox delivers trusted connectivity to protect the world's most critical environments, safeguarding the sensitive information behind decision advantage.”

“MASS, part of the Cohort plc group, helps you realise the value of your data.”

“WithSecure™ is Europe's cybersecurity partner of choice.”

“Yubico (Nasdaq Stockholm: YUBICO) is a modern cybersecurity company on a mission to make the digital world safer for everyone.”

“Integrity360 is a leading independent cyber security and PCI specialist operating across EMEA and North America, with offices spanning the UK and Ireland, Bulgaria, Italy, Sweden…”

“Bridewell is the trusted cyber security partner for organisations operating within Critical National Infrastructure (CNI), as well as companies who want the highest standard of…”

“At Quorum Cyber, we're on a mission to help good people win.”

“At VIPRE Security, our mission is to help humanity prosper by creating a high level of trust that enables digital safety for all.”

“Netcraft provides powerful phishing detection, cybercrime disruption and website takedown solutions to the world's largest organizations”

“The Redesign Group is a global technology and cybersecurity consulting firm leveraging design thinking, interdependent subject matter expertise, and emerging technology solutions…”

“Intragen is a cyber security business focused on managed Identity solutions and services.”

“Looking after the things people care about, wherever they are’.”