Aisling Billington is an associate in the Litigation & Trial Department of the London office of Latham & Watkins. She is a solicitor advocate and a member of the firm’s International Arbitration and Complex Commercial Litigation practices. She advises on international arbitration, public international law, and complex litigation in England and overseas.

Ms. Billington has worked on cases before arbitral tribunals, the English High Court, the English Court of Appeal, and the Judicial Committee of the Privy Council. She has experience of taking cases both to trial and appellate hearings, and is also well-versed in securing advantageous settlements for her clients.

Her cases have included disputes concerning joint ventures, post-M&A matters, company law, banking law, allegations of conspiracy, cartels, fraud, ESG issues, public international law, and human rights law.

Ms. Billington’s pro bono work also includes representing clients before English social security tribunals.

Prior to qualification, Ms. Billington trained in the firm’s London office, gaining experience in litigation and trial, project finance, leveraged finance, mergers and acquisitions, and private equity matters.

During her LLM studies, Ms. Billington was a Research Assistant to The Rt Hon Lord Collins of Mapesbury.

Ms. Billington's experience includes advising:

  • One of Asia’s largest and most diversified conglomerates following the lapse of a US$2 billion M&A deal during the global pandemic
  • A major investment bank in both the High Court and Competition Appeals Tribunal in relation to alleged FX manipulation
  • An international bank on its duty of confidentiality in respect of requests for UK-based documents by foreign criminal enforcement agencies
  • An appellant before the Judicial Committee of the Privy Council in a case concerning alleged breaches of the BVI Business Companies Act 2004
  • A syndicate of banks in an LCIA arbitration enforcing equity support and completion guarantees
  • A State party in an investment treaty arbitration under the UNCITRAL Rules concerning a bank rescue program
  • Investors in two separate emergency arbitrations against Moldova conducted under the rules of the SCC*
  • An international oil company in an LCIA arbitration against another international oil company concerning a dispute under a share purchase agreement
  • A major European integrated energy company in an ICC arbitration concerning a long-term gas supply contract
  • A global energy and resources private equity firm in an LCIA arbitration concerning energy projects in Africa
  • Facebook in various litigation and regulatory inquiries
  • An international humanitarian NGO on matters related to international labor law and international refugee law
  • Multiple commercial corporations on directors’ duties, conflicts, and insurance issues

*Matter handled prior to joining Latham

Bar Qualification

  • England and Wales (Solicitor)
  • England and Wales (Solicitor-Advocate)


  • Bachelor of Civil Law (BCL), University College Dublin
  • Legal Practice Course, University of Law
  • LLM, University College London

Languages Spoken

  • English