Guillaume’s activity focuses on tax efficient structuring of domestic and cross border M&A, private equity and real estate transactions.
He regularly advises investment funds, managers and multinational groups.
 
Guillaume also has a strong expertise in tax audits and dispute resolutions. 
 
Guillaume is a recognized practitioner by "Best Lawyers" since 2020 in Tax Law.

Recognition

Our recent deal was very well done and he gave very good quality advice. He knows the private equity sector extremely well
Chambers Europe, Tax, France, 2023
Guillaume Valois moves up in the rankings this year and regularly advises well-known multinationals, French corporates, public sector clients and private equity firms on the tax elements of M&A transactions. "Guillaume is very calm and has a very pragmatic approach to tax problems," states one impressed client.
Chambers Europe, Tax, France, 2022

Awards

  • Band 3, Tax, Chambers Europe, France, 2023
  • Leading Individual, Private Equity Tax, Legal 500 EMEA, France, 2023
  • Band 3, Tax, Chambers Europe, France, 2022
  • Leading Individual, Private Equity Tax, Legal 500 EMEA, France, 2022
  • Leading Individual, Transactional / Corporate Tax, Legal 500 EMEA, France, 2021
  • Guillaume is a recognized practitioner in Legal 500, 2018

Qualifications

Admissions

Admitted to the Paris Bar, 1998

Academic

DEES, Tax Law, University of Burgundy, Dijon, 1997

Degree, Business Law, University of Nancy II, Nancy, 1996

Languages

French
Disclaimer
A&O Shearman was formed on May 1, 2024 by the combination of Shearman & Sterling LLP and Allen & Overy LLP and their respective affiliates (the legacy firms). Any matters referred to above may include matters undertaken by one or more of the legacy firms rather than A&O Shearman.