Andrew Lenny

Andrew Lenny | Arbitration Lawyer | Mediation | Arthur Cox | Ireland
  • Andrew Lenny
  • +353 1 920 1140
  • Arthur Cox, Ten Earlsfort Terrace, Dublin 2, D02 T380, Ireland


Andy is Head of the Litigation & Dispute Resolution Department and leads Arthur Cox’s Arbitration Practice.

Andy has extensive experience in both International and Domestic Commercial Arbitration including under the UNCITRAL, ICC, AAA and LCIA Rules.  Andy is a Joint Country Contributor to Kluwer Arbitration Smartcharts and to the IBA Arbitration Guide.

Andy also has extensive experience in Mediation and in the resolution of disputes through the Irish Courts including the Commercial Court.

His practice areas include disputes relating to Professional Negligence, banking and financial services, company acquisitions/sales, joint ventures and significant commercial and insurance and reinsurance contracts.


  • Advising a major Irish plc in relation to a significant international joint venture dispute under the ICC rules where the applicable law was a foreign law and the seat of the Arbitration was in Paris.
  • Advising on the investigation by IFSRA into foreign exchange issues at a major Irish bank. Andy advised the independent investigating accountant at all stages during its investigations on behalf of IFSRA.
  • Advising in a professional negligence claim brought by an Cayman Island insurer against a major accountancy firm in which the Plaintiff was claiming a sum in excess of $60 million.
  • Advising a major accountancy firm in relation to audits carried out by that firm of Irish funds involved in significant “Madoff” investments.
  • Advising a major French bank in a professional negligence claim against a fund administrator concerning significant investments made into specified funds.
  • LLB, 1989, University of Liverpool
  • Admitted as a solicitor in Ireland, 1997
  • Admitted as a solicitor in England & Wales (non-practising), 1993
  • CEDAR Accredited Mediator
  • Member of the Executive Committee of Arbitration Ireland