Isabelle Chassé advises her clients in all matters of national and international tax law: Tax planning for individuals and corporate clients, tax litigation, criminal tax law and real estate taxation as well as social security matters. In addition, she focuses on estate and succession planning, inheritance and donation tax matters including the taxation of trusts and foundations; she advises on all aspects of complex national and international inheritances and execution of last wills. She is a member of both the Swiss and the Zurich Bar Association as well as of the International Fiscal Association (IFA). She is fluent in German, French (bilingual) and English.

Isabelle Chassé holds a bilingual law degree from the University of Fribourg (lic. iur. 2002) and was admitted to the bar in 2005. From 2003-2010, she worked with the tax team of Baker & McKenzie Zurich, from 2010-2016 she initially joined Tappolet & Partner as associate; 2017/18 she completed the Tax LL.M. program from the University of Geneva while building-up her tax practice as a Partner at the Zurich based law firm Bellerive Attorneys from 2018-2023. She joined Tappolet & Partner as a Partner in August 2023.