Olivier Sigg

Olivier Sigg


Walder Wyss AG

Recognized since 2023

Geneva, Switzerland

Practice Areas

Wealth Management Practice

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Olivier Sigg is a partner in the Private Clients team as well as an experienced employment lawyer. He heads our Geneva office. He is known, both in Geneva and in London, where he worked for one year, as an expert in complex crossborder matters and is regularly instructed by foreign lawyers, in particular from common law jurisdictions.

Olivier Sigg’s private client practice includes various estate-planning techniques. In particular, as a TEP expert, he specialises in trusts, foundations, last wills and testaments. He provides advice to international high-net-worth individuals on estate planning, asset protection, relocation and philanthropy (in particular, advice to international charities). His private client practice involves international succession litigation and trust disputes. Olivier Sigg also has a wealth of experience in employment law. He advises both employers and executives in contractual and contentious matters.

Olivier Sigg studied at the Universities of Geneva and Berne. He graduated in 2002 and was admitted to the Bar in 2005. Prior to joining Walder Wyss, he worked in Geneva and London as an associate in another major Swiss law firm of which he became a partner in 2015. His work experience also includes a secondment in the International Private Wealth Group of a prominent London law firm.

In 2012, Olivier Sigg was appointed as a conciliatory judge with the Geneva Labour Court, and prior to that worked as a clerk with the same court for eight years. Earlier in his career, he worked at the Geneva Court of Appeal.

Olivier Sigg is ranked as a leading private client lawyer by Chambers HNW, Legal 500 and Who’s Who Legal. He has been described by Legal 500 as a 'savvy litigator' who is 'sought after for his personable manner and precise answers given in record time'.

Olivier Sigg speaks French, Italian, English and Spanish and has a good command of German. He is a member of the Swiss Bar Association, the Geneva Bar Association, the International Bar Association (IBA), the International Association of Lawyers (UIA) and the Society of Trust and Estate Practitioners (STEP) as well as a committee member and the Student Liaison Officer of STEP Geneva. He is also contributing editor of the Journal of International Tax, Trust and Corporate Planning (JITTCP) and of the Lettre du Conseil (the Geneva Bar Association journal).

Contact & Links

Location

  • 3 Boulevard du Théâtre
    Geneva 1211
    Switzerland

Languages

  • French
  • German
  • Italian
  • Spanish

Recognized in The Best Lawyers in Switzerland 2023 for work in:

  • Wealth Management Practice

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