Deirdre O'Mahony

Arthur Cox
Chapter Social
Media Coordinator
Thought Leadership
Committee Member

My Contact Information

Arthur Cox
Phone 1: 35319201058

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Deirdre is a Partner in the Litigation, Dispute Resolution & Investigations Department of Arthur Cox specialising in investigations and white collar crime.  She has acted for financial institutions, domestic and multi-national clients on major investigations including internal, criminal and regulatory investigations.  Deirdre has over ten years’ experience acting for companies and senior executives under criminal investigation and prosecution in Ireland.

Deirdre is a founding member of the Irish Chapter of the Womens’ White Collar Crime Association (WWCDA) and a member of the European Criminal Bar Association’s (ECBA) working group on anti-corruption and bribery legislation (ACE). 

Deirdre co-authored the Ireland chapter of the White-Collar Crime Guide 2019 for Chambers and Partners and has lectured in Trinity College Dublin and University College Dublin on this area.  Deirdre is also an accredited CEDR mediator.

Practice Areas

  • Anti-Corruption
  • Complex Commercial Litigation
  • Corporate Crime
  • Due Diligence Investigations
  • Government Investigations
  • Internal Investigations
  • White Collar Crime