Offices – France
Explore all Offices
Global Reach
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS Francis Lefebvre partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
Insights – France
Explore all insights
About CMS – France
How can we help you ?
How can we help you ?

If you're not looking for legal advice, or you're not sure who to contact, fill in the form below and one of our teams will get back to you.

Contact us
Expertise
Insights
Insights

CMS lawyers can provide future-facing advice for your business across a variety of specialisms and industries, worldwide.

Explore topics
Offices
Global Reach
Global Reach

Apart from offering expert legal consultancy for local jurisdictions, CMS Francis Lefebvre partners up with you to effectively navigate the complexities of global business and legal environments.

Explore our reach
CMS France
Insights
About CMS
How can we help you ?
How can we help you ?

If you're not looking for legal advice, or you're not sure who to contact, fill in the form below and one of our teams will get back to you.

Contact us

Select your region

François Hellio
Partner

François Hellio

Chairman of the Executive Board

Languages
  • French
  • English
  • German
Social media

François Hellio joined CMS Francis Lefebvre in 1990.

He has over twenty-five years' professional experience and is involved in all aspects of international taxation, particularly in transfer pricing and litigation.

Having spent more than six years in the Berlin office, he has developed an expertise in Franco-German taxation. His publications focus mainly on this expertise. He is the author of reference works on French taxation in Germany and numerous articles on taxation both in France and Germany.

His clients are mainly French and foreign listed corporate groups or family businesses.

Awards & Recognitions
01
  • Quote
    Best Lawyer, Tax Law
    Best Lawyers 2025

Relevant experience

  • Bureau Francis Lefebvre Berlin (1992-1998)
  • Teaches at the University of Strasbourg
  • Speaker at the University of Vienna on the International Taxation LLM

Publications

  • Französische Sanierungsstrategien für Tochtergesellschaften, co-author - IWB 17/2020
  • Das französische Finanzgesetz 2020 - Überblick über die bedeutendsten neuen Steuervorschriften für deutsche Investoren, co-author - IWB 11/2020
  • L’Allemagne face au Covid-19 - Panorama des mesures adoptées, co-author – CMS Law (04/2020)
  • Die Besteuerung der deutschen GmbH & Co. KG in Frankreich, co-author - IWB 6/2020
  • Allemagne : chronique de l'année 2019, co-auteur - Revue de Droit fiscal n°12 (03/2020)
  • Le traitement fiscal en France des sociétés en commandite allemandes (GmbH & Co. KG) : de nouvelles précisions, co-author – Option Finance n°1546 (02/2020)
  • Update zum französischen Finanzgesetz 2019, co-author - IWB 9/2019
  • Latest news in French Taxation : when the going gets tough, will the tough  get going ?, co-author – Bloomberg Tax / BNA (04/2019)
  • Allemagne : chronique de l'année 2018, co-author - Revue de Droit fiscal n°10 (03/2019)

Memberships & Roles

  • Chairman of the Executive Board (since 2024)
  • Member of the firm’s Advisory Board (2009-2012)
  • Member of IACF (French Institute of Tax Lawyers)
  • Member of IFA (International Fiscal Association)
  • Member of ACE (French Association of Corporate Legal Advisors)

Education

  • HEC Business School (1988)
  • Post-graduate diploma in Law, University of Paris I - Panthéon-Sorbonne (1992)
  • Specialisation in Tax Law