Colin Monaghan


Colin is a partner in our Dispute Resolution team. Colin specialises in commercial litigation and corporate disputes, with a particular emphasis on financial institutions litigation, financial regulatory disputes, competition litigation, technology disputes, commercial property disputes, mergers and acquisitions litigation, shareholder disputes, and negligence claims.

Colin advises a wide variety of clients including financial institutions, statutory and Government entities, private and public companies, and individuals, in relation to all aspects of the litigation process and in respect of alternative dispute resolution mechanisms, including arbitration and mediation. Colin has extensive experience in dealing with multi-party disputes before the Commercial List of the High Court.


  • Commercial litigation
  • Financial institutions litigation
  • Financial regulatory disputes
  • Technology disputes
  • Commercial property disputes
  • Competition litigation


Colin was selected as the International Client Choice Awards winner for Litigation in Ireland for 2015. Established in 2005, Client Choice recognises those lawyers around the world that stand apart for the excellent client care they provide and the quality of their service. Nominations can only be made by corporate counsel.

Representative Matters

  • Acting for Facebook in on-going legal proceedings commenced by the Irish Data Protection Commissioner in the High Court seeking a preliminary reference ruling from the Court of Justice of the European Union on the validity of certain EU Commission decisions which permit data transfers from the EU to the United States pursuant to standard contractual clauses and appearing before the Court of Justice in respect of this preliminary reference.
  • Advising on court applications in respect of the restructuring of the banking and credit union sectors in Ireland following the financial crisis. 
  • Acting for a financial institution in defending multiple linked proceedings involving claims in excess of €150 million arising out of the appointment of a receiver to certain companies.


Legal 500, 2021

‘Next Generation Partner’, Colin is lauded for being “…extremely effective, knowledgeable, and intuitive in his thinking”. Clients remark on his “great ability to process detail and form expert legal opinions quickly.

Legal 500, 2020

Colin is "extremely astute, both commercially and legally". 

Speaking Engagements & Teaching

Colin lectures and tutors in commercial litigation at the Law Society of Ireland

  • LinkedIn

Areas of Expertise

Dispute Resolution Commercial Disputes Competition & Antitrust Financial Services Disputes Investigations & White Collar Crime

Professional Memberships

Law Society of Ireland

Dublin Solicitors Bar Association

Commercial Litigation Association of Ireland

International Bar Association


Trinity College Dublin, LL.B, 1998

The London School of Economics and Political Science, University of London, LL.M, Intellectual Property Law, 1999

University College Dublin, Diploma, Financial Services Law, 2001

Law Society of Ireland, Admitted as a solicitor, 2002