Greg has over 20 years of Arthur Cox experience in various litigious commercial matters in the High Court, Commercial High Court, Supreme Court and European Court of Justice.

Greg has also advised directors and officers of corporations on their duties and obligations relating to money laundering issues, legal mutual requests, search warrants, freezing orders and indictments. Greg has considerable expertise in advising on investigations by foreign regulators such as the UK Serious Fraud Office, German authorities, Italian authorities, the US Department of Justice, the US Internal Revenue Service and the US Securities Exchange Commission. He has spoken at fraud conferences in Ireland, England, Germany, Austria, Holland and the USA.

Relevant Experience

  • Advising an online seller in relation to cross-border fraudulent activity on its online seller account with a large online retailer, including advising on Irish and US offences
  • Acting for UBI Banca in respect of their claim of over €12m regarding sums invested in Thema, a UCITS Fund, in respect of which HSBC acted as custodian. It is alleged that all of the monies invested by UBI Banca and other shareholders in Thema were channelled to the fictitious “hedge fund” operated by Bernard Madoff
  • Advising a State Company in a Commercial Court dispute with a Spanish Company and US Company regarding the supply of defective products. Successfully mediating the case between the parties.  Dealing with jurisdictional issues to include seeking leave to issue and serve the Commercial Court proceedings outside the jurisdiction, and arguing that the contract concluded in Ireland, so as to allow the Irish entity retain control of the proceedings in Ireland
  • Advising a state body on a C&AG Investigation / SEC Investigation
  • Advising a company director in relation to an IRS/DoJ Investigation
  • Successfully represented an Irish leasing company in respect of their claims against an Italian company where the Irish entity sought orders for judgment and possession arising out of sums due under helicopter leases where the helicopters were based in Kosovo and Italy. The case had a multi-jurisdictional aspect
  • Advising an Irish citizen in relation to an application to lift approximately 60 freezing orders made by An Garda Síochána pursuant to section 17 of the Criminal Justice (Money Laundering and Terrorist Financing) Act 2010 in respect of trusts’ accounts and funds over a five year period
  • Advising a Canadian citizen regarding his indictment from an online gambling company action in the US and his extradition from Dublin to New York
  • Highly contentious dispute between four shareholders of a successful Irish company with another shareholder. Injunction relief was threatened and the parties then agreed to mediate the matter. Following an extensive mediation process the matter resolved amicably
  • Successfully represented Russian and Irish entities in a complex employment/insolvency related dispute involving an injunction application and cross-border jurisdictional issues


+353 1 920 1170

Ten Earlsfort Terrace
Dublin 2
D02 T380

  • JD, 1988, Suffolk University Law School, Boston, Massachusetts
  • LL.B, 1983, University College, Galway
  • BA, 1980, University College, Galway
  • Admitted to the Massachusetts Bar, 1988
  • Admitted as a solicitor in Ireland, 1984
  • Member of Advisory Board of FraudNet and chair of the FraudNet Marketing Committee
  • Chair of Lex Mundi Cross-Border Investigations: Business Crimes and Compliance

“Gregory Glynn is internationally renowned for his excellence in the business crime field.”
Who’s Who Legal 2018

Gregory Glynn is “a truly excellent lawyer.”

Global Investigations Review 2017

Gregory Glynn is a “seasoned professional. He has comprehensive knowledge at a practical level from real experience, and he is excellent at building a holistic strategy and looking at the problems from a broad set of perspectives.”

Chambers Global: The World’s Leading Lawyers for Business, 2017

Gregory Glynn is “an excellent strategist and tactician, who is very clear and concise.”

Chambers Global: The World’s Leading Lawyers for Business, 2016

Cookie Policy

This website uses cookies to improve your experience. You may opt out if you wish. Read more.