Sean Larkin QC > Chambers of Mark Ellison QC > London, England > Lawyer Profile

Chambers of Mark Ellison QC
QEB Hollis Whiteman
Sean Larkin photo


Sean Larkin QC provides specialist advice and advocacy at all stages of criminal and regulatory proceedings, with a particular emphasis on financial and serious crime, regulatory or disciplinary breaches by individuals (particularly professionals) and companies. He is described as ‘incredibly bright and industrious’ and ‘absolutely superb’. Nominated for Crime Silk of the Year (Legal 500 2017) Professional Discipline Silk of the Year (Chambers UK 2017) and, he was also Times Lawyer Of The Week following his appearance in the Supreme Court in the landmark case on the definition of terrorism.

Recent cases include: advising corporate entities, directors and other professionals facing allegations of bribery, fraud and regulatory breaches; Operation Amazon (defending a CEO in largest e-disclosure case), Operation Cotton (prosecution of FCA’s largest case), defending a trader in Euribor, providing advice in Barclays-Qatar investigation, defence of a Dr accused of sexually assaulting patients over a period of years; several cases of serious violence, sexual assault and terrorism; Dr Pandya (GP accused of FGM), advising other healthcare professionals facing allegations of misconduct;  Operation Vaulter (defending director accused of laundering £900m), defence of a former CEO for £52m pension fraud; defence of company for workplace death.

Sean’s experience includes: advising, pre-charge through to representation or prosecution at trial, a variety of professionals (including lawyers, doctors, dentists, police officers, directors, IFAs, accountants and insolvency practitioners) in a wide variety of criminal, regulatory and disciplinary offences. He regularly speaks at conferences and conducts training sessions on a variety of legal topics. More information at



Called 1987. Silk 2010




Salesian College; Queen Mary College, University of London; Law.

Lawyer Rankings

London Bar > Business and regulatory crime (including global investigations)

(Leading Silks) Ranked: Tier 3

Sean Larkin QCQEB Hollis WhitemanHis empathetic and imperturbable manner puts people at ease.

London Bar > Crime

(Leading Silks) Ranked: Tier 3

Sean Larkin QCQEB Hollis WhitemanHe is tenacious, calm and an absolute pleasure to work with.

London Bar > Fraud: crime

(Leading Silks) Ranked: Tier 1

Sean Larkin QCQEB Hollis WhitemanHe grasps the key issues of a case with lightning-quick speed.

London Bar > Professional disciplinary and regulatory law

(Leading Silks) Ranked: Tier 3

Sean Larkin QCQEB Hollis WhitemanHe is very analytical, focused and level-headed.