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Pietro Sansonetti

Partner, Certified Tax Expert

Schellenberg Wittmer Ltd
15bis, rue des Alpes

P.O. Box 2088

1211 Geneva 1

T +41 22 707 8000
F +41 22 707 8001

French, English, German, Italian

T +41 22 707 8000
F +41 22 707 8001

Pietro Sansonetti is a Partner in Schellenberg Wittmer's Geneva office, where he heads the Taxation Group. He advises clients on all tax matters, both domestic and international.

Practice Areas / Sectors and Industries

Expertise and Experience

  • He has in-depth knowledge of complex tax situations and extensive experience in dealing with tax authorities and enforcement matters including international exchange of information
  • He is active in corporate matters, in particular reorganizations such as mergers and real estate transactions, as well as on non-profit entities including international non-governmental as well as official organisations
  • He also works with individuals on family businesses, on partnership and private clients-related tax matters such as trusts and inheritance related issues as well as on tax litigation including investigations and enforcement procedures


Professional Experience
Partner at Schellenberg Wittmer
Chief tax officer at the Geneva Tax Authority
Tax Manager at Arthur Andersen
Tax Consultant at Fides (now KPMG)

Education and Admission
Swiss Certified Tax Expert
Bar Admission in Switzerland
lic. iur., University of Geneva

Additional Professional Activities
  • Lecturer at international and Swiss seminars
  • He belongs to the faculty of the Executive master in advanced studies in international taxation at the University of Lausanne (formerly Neuchâtel) and also lectured on criminal tax law at the Swiss Tax Academy
  • He is involved in the tax community (Swiss Fiduciary Chamber, International Fiscal Association and Tax Chapter of the Swiss-American Chamber of Commerce in particular).
  • He was the chairman of the Swiss examination commission for tax experts between 1999 and 2004


  • Chambers Global / Europe: Taxation
  • Legal 500: Taxation
  • Who's Who Legal: Corporate Tax
  • Expert Guides: Tax
  • Leaders League International Corporate Finance Guide

Selected Publications

La jurisprudence fiscale du Tribunal féderal 2015-2016
Pietro Sansonetti, Thierry Obrist, Robert Danon
Co-éd par Thierry Obrist et Robert Danon; Jérome Bürgisser (et al.) In: Revue de droit administratif et de droit fiscal, Partie 2, Droit discal – Lausanne; Geneve – Annéè 73 (2017), Vol 1-2, P1-192
Commentaires sur "Dispositions pénales: Art.174 à 179,181 à 195 et 205b bis"
Danielle Hostettler, Pietro Sansonetti, Yves Noël Florence; Aubry Girardin
in: Commentaire romand: Impôt fédéral direct: Commentaire de la loi sur l'impôt fédéral direct. - 2ème édition. - Helbing Lichtenhahn,2017. - pp. 1963-2100, 2124-2125
La jurisprudence fiscale du Tribunal fédéral en 2014
co-éd. par Thierry Obrist et Robert Danon ; contrib. de Denis Berdoz [et al.] In: Revue de droit administratif et de droit fiscal. Partie 2, Droit fiscal. – Lausanne ; Genève. - Année 71(2015), no 1, p. 84-96