Jean-François Defudes

Partner, Jean-François advises French and international groups in the context of their tax audits, as well as in their dematerialization projects (FEC, tax processing of data, electronic invoicing, etc.).


Jean-François has developed a broad expertise in tax dematerialization, whether it concerns computerized accounting controls, generation and validation of files of accounting entries, tax configuration of information systems or assistance with implementation of electronic invoicing, especially on the audit trail. He provides his customers with assistance and working tools adapted to new technological constraints and changes in tax administration practices.

He also has recognized expertise in the management and implementation of projects combining both legal and IT aspects. With his knowledge of project management and taxation, he frequently conducts training for tax directors and IT departments.

Jean-François has over 25 years of experience in taxation. After fifteen years in the tax administration, where he notably worked in audit brigades or in Bercy, Jean-François joined the international management of the Fidal cabinet, then took charge of the animation of the national network in charge of dematerialization within this same firm, before joining Taj in early 2020.

+33 (0)4 67 20 68 43


  • Contrôleur des impôts – Ecole nationale des impôts – 1998-1999
  • Inspecteur des impôts – Ecole nationale des impôts – 2005-2006


  • French
  • English

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