Entrepreneur UK’s London 100: Risk Ledger

Risk Ledger is revolutionising third-party risk management by uniting organisations and suppliers into a proactive community to defend against supply chain cyber threats

By Patricia Cullen | Jun 05, 2025
Risk Ledger
Risk Ledger co-founder, Haydn Brooks

Opinions expressed by Entrepreneur contributors are their own.

You're reading Entrepreneur United Kingdom, an international franchise of Entrepreneur Media.

Industry: Cybersecurity

Haydn Brooks, CEO and co-founder, founded Risk Ledger to solve the efficiency and effectiveness flaws at the heart of third-party risk management (TPRM).

It’s no longer enough to focus solely on the security of direct suppliers and partners. “Recent attacks like SolarWinds, Log4J, and MOVEit Transfer have shown how vulnerabilities in the extended supply chain – beyond just third parties – can cause serious harm. Today’s complex, interconnected supply chains require a new approach,” says Brooks.

Risk Ledger brings together security teams at client organisations with those of their suppliers and industry peers, creating a community that can Defend-as-One against supply chain attacks.

This shifts TPRM from being a reactive, administrative risk management task to becoming a form of active cyber defense.

Industry: Cybersecurity

Haydn Brooks, CEO and co-founder, founded Risk Ledger to solve the efficiency and effectiveness flaws at the heart of third-party risk management (TPRM).

It’s no longer enough to focus solely on the security of direct suppliers and partners. “Recent attacks like SolarWinds, Log4J, and MOVEit Transfer have shown how vulnerabilities in the extended supply chain – beyond just third parties – can cause serious harm. Today’s complex, interconnected supply chains require a new approach,” says Brooks.

Risk Ledger brings together security teams at client organisations with those of their suppliers and industry peers, creating a community that can Defend-as-One against supply chain attacks.

This shifts TPRM from being a reactive, administrative risk management task to becoming a form of active cyber defense.

Related Content

Entrepreneurs

UK100 Start-Ups: TransHumanity

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent. Most agentic AI solutions are targeting the enterprise market with […]
Entrepreneurs

UK100 Start-Ups: Recombine

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent. Recombine is the leading self-hosted conversational AI agent platform. Recombine […]
Entrepreneurs

UK100 Start-Ups: On Sale Live

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent. In 2025, On Sale Live built and sold out […]
Entrepreneurs

UK100 Start-Ups: Home Owner’s Passport

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent. Government is looking at mandating Digital Property Logbooks in 2026 […]
Entrepreneurs

UK100 Start-Ups: Monumo

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent. Cambridge-based Monumo’s AI engine ‘Anser’ is transforming engineering in […]
Entrepreneurs

UK100 Start-Ups: Fractile

This article is part of The UK100 Start-Ups, a special edition by Entrepreneur UK showcasing the most exciting startups redefining business in 2026. From climate and health to AI and creativity, these innovators are tackling big challenges—while racing to scale, secure funding, and attract top talent. Founded in London in 2022 by Walter Goodwin, Fractile […]