Legal 500

“When it comes to cross-border mandates, Guillaume Grisel is very sophisticated.”


“Truly a very sharp lawyer, able to make things happen quickly and smoothly.”


“His solutions are continuously oriented towards our requirements while he always has a strategic view, knowing what comes next.”

Legal 500

“The cooperation with him is a real delight.”

Guillaume Grisel

Leticia Torres Fernandini


Guillaume Grisel is a Partner in Schellenberg Wittmer’s Private Wealth group. He assists high net worth individuals and families, including entertainers, art collectors and philanthropists. Guillaume Grisel regularly advises banks, wealth managers, family offices and professional trustees in compliance and regulatory matters too. He is the author of the only comprehensive textbook on trust law in Switzerland (Le Trust en Suisse). 


  • Estate and tax planning for high net worth individuals and families
  • Trust law, taxation of trusts
  • Regulation of financial institutions
  • Anti-money laundering law
  • Mutual assistance and automatic exchange of information in tax matters (CRS, FATCA)


Professional Experience
Partner at Schellenberg Wittmer
Partner at a Swiss law firm
Associate at a Swiss law firm
Trainee Lawyer at a Swiss law firm
Research and teaching assistant in commercial law, University of Lausanne
Education and Admission
Trust & Estate Practitioner (TEP)
LL.M., University of Cambridge (UK)
Dr. iur., University of Lausanne
Bar Admission in Switzerland
Lic. iur. Universities of Lausanne and Zurich
Additional Professional Activities
  • Chairman of the Lausanne Chapter of the British-Swiss Chamber of Commerce (BSCC)
  • Vice-Chairman of the Swiss & Liechtenstein STEP Federation
  • Committee member and former Chairman, STEP Lausanne

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