Ms Deirdre O'Mahony > Arthur Cox > Dublin, Ireland > Lawyer Profile

Arthur Cox
10 EARLSFORT TERRACE
DUBLIN 2
D02 T380
Ireland

Work Department

Litigation, Dispute Resolution and Investigations

Position

Deirdre is a partner in the Litigation, Dispute Resolution, and Investigations Group. She specialises in investigations, commercial and regulatory disputes, and corporate / white-collar crime.

Deirdre advises a range of domestic and international clients on significant commercial and regulatory disputes, investigations (internal, regulatory, cross-border, and criminal), and criminal prosecutions. Deirdre is a founding member of the Ireland Chapter of the Women’s White Collar Defence Association (WWCDA), the Irish representative member of the European Criminal Bar Association Anti-Corruption Europe (ACE) Working Group and Committee member of the Health and Safety Lawyers’ Association of Ireland. Deirdre co-authored the Ireland chapter of the White-Collar Crime Guide 2019 for Chambers and Partners and the ACE Country Report for Ireland on anti-bribery / corruption. Deirdre is also an accredited CEDR mediator.

Deirdre is named as an expert in the Euromoney Expert Guide (White Collar Crime) for 2020 and was awarded “Rising Star in Litigation” at the Women in Business Law Awards Europe 2020 which celebrate women lawyers across Europe who are leaders in their field.

Career

Admitted as a Solicitor, 2009

Memberships

Law Society of Ireland; Founding member, Ireland Chapter of the Women’s White Collar Defence Association (WWCDA); Irish representative member, ECBA Anti-Corruption Europe (ACE) Working Group; Committee member, Health and Safety Lawyers’ Association of Ireland (HSLAI)

Education

Certificate in Local Government Studies, IPA/UCD, 2012
LL M, NUIG / Queen’s University, Belfast, 2006
LL B, University of Limerick, 2004

Lawyer Rankings

Ireland > Dispute resolution

(Next Generation Partners)

Deirdre O’Mahony  – Arthur Cox

Ireland > White-collar crime

Arthur Cox’s corporate crime team has built a strong reputation for representing clients in all phases of regulatory and criminal enforcement procedures, spanning from investigation to prosecution. The team has a sizable client base featuring a diverse set of domestic and international entities, including regulatory authorities, governmental agencies, private individuals, and financial institutions. Joanelle O’Cleirigh has extensive experience of handling whistleblowing and anti-bribery matters and jointly heads the team with Richard Willis, who specialises in cross-border data governance processes. Deirdre O’Mahony regularly defends organisations and senior individuals in criminal investigations. Senior associates Ciarán Egan and Tara Roche are also noted.