Pierre-Antoine Klethi
Pierre-Antoine Klethi
Loyens & Loeff
Tax lawyer

Pierre-Antoine Klethi, partner, is a member of the Tax and Investment Management Practice Groups in our Luxembourg office. He focuses on fund and deal structuring and corporate tax advice, and he also jointly leads the Luxembourg Tax Controversy Team.

He advises predominantly PE and private debt fund managers in structuring their funds and investment platforms, as part of the Loyens & Loeff Luxembourg's fully integrated Investment Management team. He also helps large MNE groups navigate through an increasingly complex EU and Luxembourg tax environment, and he represents taxpayers in pre-litigation discussions with tax authorities and before the courts. He is member of the IFA and participates in the work of several tax groups in industry-representative bodies such as AmCham, UEL (Luxembourg business union) and ALFI (Luxembourg’s fund industry association). He is furthermore a member of the editorial board of the Luxembourg tax review "Revue Générale de Fiscalité Luxembourgeoise".

Memberships

  • Luxembourg Bar (List II), 2015
  • International Fiscal Association (IFA)

Qualifications

  • M., King’s College London (United Kingdom), 2013
  • Master’s degree in European Economic Law, University of Strasbourg (France), 2012
  • Degree of Sciences Po Paris, Sciences Po Paris Law School (France), 2012
  • Degree of Sciences Po Strasbourg, Sciences Po Strasbourg (France), 2012

Languages

English, French, German, Italian, Spanish

Speaking at

London
Wednesday, 15 October 2025
15.00 - 15.10
Speed briefing: tax developments

Stay ahead of the curve with this fast-paced, high-impact briefing on the latest tax developments affecting the industry. In just seven minutes, you’ll get a focused overview of key updates, regulatory shifts, and emerging trends. Perfect for busy professionals, this speed briefing session distills complex developments into clear, actionable insights to help you anticipate impact, manage risk, and make informed decisions.

Pierre-Antoine Klethi
Pierre-Antoine Klethi
Loyens & Loeff

Tax lawyer