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Work 0207 583 8392
Fax 0207 681 2248
DX 450 LDE

Kate McMahon

Work 020 7583 8392
Edmonds Marshall McMahon

Work Department

Private prosecutions/white-collar crime.


Kate is a specialist, dual-qualified prosecutor. Prior to co-founding Edmonds Marshall McMahon, Kate prosecuted for the Serious Fraud Office (SFO) where she worked as a senior lawyer on some of the UK’s largest criminal prosecutions, including the “Innospec” case. This was the first global settlement in the UK and involved systemic corruption by a UK/USA company in Iraq and Indonesia. The case resulted in a US$12.7 million fine in the UK and a US$14.1 million fine in the USA and successful prosecutions of the Company Directors and employees. Kate now specialises in cases involving serious fraud, serious and violent crime, international crime and perverting the course of justice.

Kate is known for her incisive analysis and strategic vision, having had conduct of large fraud, corruption and trademark cases. She is highly regarded by her clients and has a reputation for being extremely determined and driven in all her cases. She has been described as an “outstanding prosecutor” who provides “intellectual leadership”. She is praised for her “high intelligence, tactical acumen and great client care skills.”


Senior caseworker SRA, London 2005-06; public prosecutor Department of Public Prosecutions, Brisbane 2007-08; senior prosecution lawyer GLS UK, London 2008-12; partner Edmonds, Marshall, McMahon 2012-todate.


The Law Society; Proceeds of Crime Lawyers Association (POCLA); Fraud Lawyers Association (FLA); The Female Fraud Forum; The Fraud Women’s Network; Fraud Advisory Panel; AIJA (International Association of Young Lawyers).


Loerto College 1993-97; Queensland University of Technology 1998-2004.

London: Crime, fraud and licensing

Fraud: white-collar crime

Within: Fraud: white-collar crime

Committed, client focused and inventive’, Edmonds Marshall McMahon is ‘a nimble boutique firm’ that specialises in private prosecutions. The firm continues to act for Murli Mirchandani in the case of R v Ketan Somaia which relates to confiscation proceedings valued at around £39m. Key practitioner Kate McMahon has ‘sympathy, enthusiasm, experience and sheer dynamism’, she is supported by the ‘wiseAndrew Marshall who has ‘experience and a measured approach’. Tamlyn Edmonds is ‘an experienced prosecutor who constantly seeks innovative ways to pursue cases’. David Jugnarain has ‘a particular strength in research and legal analysis’. Mike Jackson, previously at the SFO, joined as head of investigations.

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