hero banner
Laurent Decaen
Partner, Valuation Services

Laurent Decaen


Laurent has a wide international experience spanning over 31 years in the financial sector, serving insurance, banking, and asset management clients. He has worked in this capacity in four major jurisdictions (France, United States, United Kingdom, Luxembourg) and hold qualifications in the four countries.

Working with Grant Thornton in Luxembourg since 2013, he is partner in charge of the financial services activities of the audit practice with a strong focus on alternative investments and insurance.

Laurent leads the Valuation and Transaction Services practice since 2020. He has extensive experience in the insurance, asset management and the banking sectors (securities services) and has advised entrepreneurs in many other sectors.



  • Institut des Réviseurs d’Entreprises (Luxembourg)
  • ICAEW (« Institute of Chartered Accountants in England and Wales »)
  • Réviseur d’Entreprises Agréé (Luxembourg)
  • Expert-comptable (France)
  • Certified Public Accountant (USA) formerly licensed from 1996 to 1998; former member of the Massachusetts Society of Certified Public Accountants (1996-1998) and American Institute of Certified Public Accountants (1997-1999)
  • Chartered Accountant (UK)
  • Executive MBA - University of Oxford, Saïd Business School
  • MBA - Pace University, Lubin School of Business (New-York)
  • Neoma Business School
Laurent Decaen
Get in touch
Partner, Valuation Services
Laurent Decaen
Meet our People