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Gian Andri Töndury

Gian Andri Töndury

Attorney at Law, LL.M., TEP

+41 (0)44 213 63 63


Gian Andri Töndury focuses his practice on complex estate and wealth planning issues as well as company law. He advises Swiss and international private clients, family offices and companies. Further, he represents private clients and foundations in inheritance and trust disputes. His additional areas of activity include the enforcement of wills, foundation law and tax planning.


  • Since 2018: Partner with Umbricht Attorneys
  • 2012-2017: Partner with Staiger, Schwald & Partner Ltd, Zurich
  • 2007-2012: Associate attorney with Staiger, Schwald & Partner Ltd, Zurich
  • 2004-2007: Associate attorney with Niederer Kraft & Frey, Zurich
  • 2004: Admission to the Bar, New York
  • 2003: Associate Attorney with Herzfeld & Rubin P.C., New York
  • 2003: Master's Degree (LL.M.) in Corporate Law
  • 2002-2003: New York University School of Law, New York
  • 2002: Admission to the Bar, Zurich
  • 2000-2001: Legal Clerk at the District Court of Horgen
  • 1999: lic.iur., University of Zurich
  • 1994-1999: University of Zurich Law School

Preferred Areas of Work

Inheritance Law and Estate Planning, Company Law, Foundation and Trust Law, Asset Structuring, Family Office Services, International Private Law


  • Member of the Zurich Bar Association (ZAV)
  • Member of the Swiss Bar Association (SAV)
  • Member of the New York State Bar Association (NYSBA)
  • Member of the Society of Trust and Estate Practitioners (STEP)
  • STEP Journal Editorial Board Member
  • Member of the International Bar Association (IBA)
  • Member of the Board of Trustees of the Pestalozzi Foundation for the Promotion of the Education of Young People from Swiss Mountain Regions
  • Various Board Memberships


  • Who’s Who Legal,
    Switzerland Private Client: Recommended
  • Chambers and Partners
    Chambers High Net Worth Switzerland


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