Sophie Blégent-Delapille

Partner, Sophie, advises leading international companies on their growth strategies worldwide and investment funds in mergers-acquisitions and international tax.


  • Fiscalité Internationale
  • Fusions-Acquisitions

Sophie Blégent-Delapille, Partner, is Managing Partner of the French Deloitte Tax & Legal Practice.

She advises French and European international groups on their growth strategies, business models and international expansion.

Based on data analytics and strategic development objectives, her aim is to ensure tax security and competitiveness. Her assistance combines the entire branch of Deloitte expertises, such as IT technology tools specialists, transfer pricing experts, legal specialists and consultants.

Furthermore, Sophie has developed a strong expertise in Mergers & Acquisitions, either with investment funds or major companies. She assists her clients on multi-country business units cessions (carve out), acquisitions structures and post-acquisition restructurings in order to ensure an efficient integration of operations.

Since 2021, Sophie is the DCE Member Firm Tax & Legal leader (over 20 countries in EMEA).


  • Attorney at the Hauts-de-Seine Bar - 1993
  • Master’s degree in Tax and Business Law – University Paris II Panthéon-Assas – 1989
  • Business Law Institute - 1989


  • French
  • English


  • Brexit que va-t-il se passer pour les entreprises? - - January 31, 2020
  • La nouvelle donne d'un no deal : nos entreprises en première ligne - La Tribune - September 10, 2019
  • Sophie Blégent-Delapille, Taj Société d’Avocats - Magazine Décideurs - November 22, 2018
  • Les Leaders économiques de demain - 2018 - Choiseul 100 - March 12, 2018
  • Taj aujourd'hui / La révolution numérique : anticiper et mettre en place des outils - Faire face à un double enjeu - Juriste Associés - October 20, 2017
  • Sophie Blégent-Delapille, managing partner de Taj - Lettre des Juristes Associés - June 6, 2016

Souad El Halfi joins Deloitte Société d’Avocats as a partner.

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