Nigel Brown
Profile Verified by The Marque
Last Updated: 22 Sep 2026
Founder & Chief Executive Officer
London, GB
Profile Verified by The Marque
Last Updated: 22 Sep 2026
THE MARQUE
In Their Own Right
Biography
Nigel Brown is the Founder and CEO of Lancelot Central Limited, a London-based consultancy specialising in investigations and risk management, providing solutions to complex challenges worldwide.
A highly decorated former police officer and veteran of Scotland Yard, he is internationally recognised as a leading detective and award-winning forensic investigator. He has held senior positions at several premier security and risk-mitigation firms since retiring from the Metropolitan Police. A subject matter expert, Nigel is a sought-after speaker on corporate risk and crisis management. He has successfully supported numerous Fortune 500 and FTSE 100 companies in managing high-stakes crises across multiple jurisdictions, frequently collaborating with legal teams.
Nigel also serves as the Head of International Risk for an investment firm with investments and interests across the globe in a range of industries such as cyber security, commodity trading, future financial market infrastructure and the technological and scientific exploration of meditation.
The Record
Background
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2020 — Present
Founder & Chief Executive Officer
Lancelot Central Limited
Lancelot Central Limited is a consultancy specialising in investigation and risk management.
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1978 — 1992
Police Officer
Metropolitan Police Force
Working as a Metropolitan Police Officer, Nigel was operational in multiple disciplines and areas of law enforcement. He received a number of commendations for bravery and ability. Nigel retired after suffering an operational injury whilst on duty.
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1992 — 1994
Senior Managing Director
ICTS
Nigel was responsible for developing the Investigations and Risk division internationally for ICTS. During his tenure, the firm was an aviation security business.
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1994 — 2005
Co-Founder
International Security Consultancy (ISC Global)
Nigel co-founded ISC Global, an International Security Consultancy.
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2018 — 2019
Director of EMEA
5 Stones intelligence Inc.
5Si is a company based in Miami, Florida U.S, offering professional intelligence services globally. Managing the largest private Human Intelligence from Human Sources network worldwide, 5Si supports the collection and analysis of intelligence, global investigations, and operations for both governments and corporations.
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2014 — 2017
Founding Partner
Barringtons
Nigel was a Founding Partner of Barringtons, a global firm providing investigative services, risk analysis as well as litigation support services.
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2013 — 2014
Founding Partner
DANGATE CONSULTING LTD
DANGATE CONSULTING LTD is a global investigation firm.
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2009 — 2013
Partner
Begbies Traynor Group
Nigel was responsible for the development of the consulting and investigations division for Begbies Traynor Group during this time. Begbies Traynor is a professional services consultancy operating in the UK and working with stakeholders on restructuring and turnaround, insolvency, commercial real estate advisory, corporate finance, forensic accountancy, investigations and risk consultancy.
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2005 — 2007
Founder & CEO
GSS Global
Nigel drove global expansion and growth at GSS Global, concluding in the sale of the business.
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2007 — 2009
Senior Managing Director
GardaWorld
Nigel was the consulting and investigations lead at GardaWorld.
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2007 — 2009
Senior Managing Director
Kroll Security International
Nigel was responsible for operations in high-risk locations like Afghanistan, Iraq and Gaza whilst dealing with hostage situation resolutions worldwide.
Areas Of Focus