Jonas Sigrist | Pestalozzi Attorneys at Law

Jonas Sigrist

Partner
Attorney at law, Swiss Certified Tax Expert
Head of Tax Practice Group

Feldeggstrasse 4
8008 Zurich
Suisse
T +41 44 217 93 26
jonas.sigrist@pestalozzilaw.com

vCard CV (pdf) Liste des publications (pdf)

Jonas Sigrist is absolutely fantastic, service-oriented and down to earth when it comes to discussing cases and solutions. He understands complicated cases and provides simple solutions.

Chambers Global, 2026

He stands out for his in-depth expertise and extensive experience.

Chambers Global, 2026

Jonas Sigrist is very strong in his field of expertise. He is able to focus on strategic risks and come up with a complete set of actions.

Chambers Global, 2026

Jonas has very good and deep tax expertise and provides great out-of-the-box thinking and advice.

Chambers & Partners, 2024

Deep and specific knowledge, good understanding of client’s needs, short reaction time.

The Legal 500, 2023

His technical knowledge and responsiveness are really impressive.

Chambers & Partners, 2023

Great industry knowledge, good connections to tax authorities.

The Legal 500, 2021

Jonas Sigrist and his team are highly skilled in corporate tax, both nationally and internationally, with an excellent knowledge of international M&A restructurings.

The Legal 500, 2023

Jonas is, next to being an excellent tax and M&A lawyer, also business minded and is very hands-on. He is always eager to help out and provides his technical advice in a clear way and all in a short time frame.

The Legal 500, 2023

Jonas Sigrist is a partner and head of Pestalozzi's Tax Practice Group. His area of practice involves a wide range of international and domestic tax matters. He has a particular focus on tax planning and structuring of international M&A transactions and corporate restructurings.

Jonas Sigrist qualified both as an attorney-at-law and a Swiss Certified Tax Expert. He is a summa cum laude graduate of the University of Zurich, where he specialized in international taxation and social security contributions.

Jonas Sigrist has developed broad experience in acquisitions, mergers, spin-offs, reorganizations, relocations, and tax reliefs. His tax practice also covers international employment and employee stock and option plans. His client portfolio varies from multinationals to small and medium-sized companies in life sciences, commodities, financial services, and other sectors.

Prior to joining Pestalozzi in 2009, Jonas Sigrist gained several years of experience in corporate taxation with a Big4 Company and as a consultant in financial services. He has regular speaking engagements and frequently publishes in tax journals. His professional languages are English and German and he has knowledge of French and Italian.

In 2025, Bloomberg Tax awarded Jonas the International Tax Portfolio Author of the Year.  

Carrière

2018
  • Partner at Pestalozzi
2016
  • Swiss Certified Tax Expert
2012
  • Associate at Pestalozzi
  • Bar admission: Switzerland
2009
  • Junior associate at Pestalozzi
  • University of Zurich: lic. iur. / Master of Law (summa cum laude)
2006
  • Scientific assistant in corporate taxation with a Big4 Company

Langues

Allemand, Anglais, Français, Italien

Adhésion

  • Swiss Bar Association (SAV)
  • Zurich Bar Association (ZAV)
  • EXPERTsuisse
  • International Bar Association (IBA)
  • International Fiscal Association (IFA)
Contact