Sophie Jouniaux has been a partner in the Tax practice since 2020. She advises on national and international taxation for French and multinational groups in mergers and acquisitions, private equity deals, as well as corporate restructuring. Her practice includes assisting directors and employees in setting up management packages and employee profit-sharing plans. She also handles tax audits and tax disputes.

Sophie has developed specific expertise in the healthcare sector, advising pharmaceutical and medical device companies and laboratories.

Sophie started her professional career in 1999 with Arthur Andersen, then was partner from 2008 to 2015 at Baker & McKenzie. Sophie also headed the tax department of Osborne Clarke for four years.

Sophie is recognized in Best Lawyers in France, The Legal 500 EMEA and The Legal 500 Paris. Sophie is praised for "her professionalism", she is also described as « very capable, always available and very pragmatical». One client adds that he "can’t think of any better tax professional in France for a foreign group".

Sophie was admitted to the Paris Bar in 2001. She holds a D.E.S.S. in Tax Law as well as a diploma of Corporate Counsel (D.J.C.E) delivered by the University of Strasbourg.

She has published numerous articles on international and French tax law and has participated in tax seminars as a speaker. She teaches at Université Paris Cité (Master's degree in business law) and was a visiting lecturer in French and international corporate taxation at HEC Paris and Université de Montpellier I.

Sophie Jouniaux is a member of the IACF (Institut des Avocats Conseils Fiscaux), the IFA (International Fiscal Association), WIN (Women IFA Network) and the A3F (Association Française des Femmes Fiscalistes).

Recent accolades

‘I would specially mention Sophie Jouniaux for her professionalism and tax knowledge. She always tries to understand where our problem is and thinks of the best option for us in the most efficient way. I also appreciate her transparency and honesty. In sum, I can’t think of any better tax professional in France for a foreign group.’ – The Legal 500 EMEA 2023 – Tax

‘Sophie Jouniaux is very capable, always available and very pragmatical.’ – The Legal 500 EMEA 2023 – Tax

‘Great responsiveness and tailor-made capacity’. – The Legal 500 EMEA 2023 – Tax




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