Our Team


Our team of professionals is able to communicate in several languages (Italian, German, French, English and Spanish), with an approach that aims to find and implement solutions for demanding clients with national and transnational interests. This ensures tax and legal interventions and services as the client’s sole interlocutor, across diverse geographical areas.


Peter Steimle

Senior Managing Partner, lic. oec. HSG, former CEO of a major Swiss consulting group, Peter is the founding partner and reference partner of the company. With a degree in economics from the University of St. Gallen, Peter has been assisting a diverse Swiss and international clientele for more than 30 years as a tax and legal advisor. He is a member of the International Fiscal Association and the International Tax Planning Association, and has served for many years as chairman of the British-Swiss Chamber of Commerce for canton Ticino and as British Honorary Consul. Peter has been a speaker at numerous seminars and conferences in Switzerland and abroad.


Beatrice Zibelli

Managing Partner, Beatrice holds the Swiss Federal Trustee Certificate issued by the Chamber of Trustees of Zurich (2000) and also the cantonal (Ticino) Trustee License. As she is ‘Swiss born and bred’, Beatrice has extensive knowledge and experience of all Swiss issues, limited not only to the tax world. Thanks to her long-standing professional experience in management of Swiss and international corporate and fiscal mandates, and her perfect knowledge of Italian, German, French and English, Beatrice provides efficient and effective advisory and managerial services to our national and international clients.


Serena Bonfanti

Serena graduated in Economics and Business Law from Bocconi University Milan. In 2011, she obtained her Master’s in Advanced Studies in Tax Law from SUPSI, Lugano, and holds the Cantonal (Ticino) Trustee License. Her training and extensive experience in the legal and corporate field, both Swiss and foreign, allow her to manage mandates that go beyond the mere Swiss tax area. Serena communicates fluently in Italian, English and French.


Donatella Cairoli

Donatella is an essential part of our team as assistant to our partners’ activities. She is responsible for the administrative management and general secretariat of the company in all the national languages and English.

Of counsels


Peter A. Jäggi

Tax lawyer, Swiss Certified Tax Expert, Doctor of Law and Barrister, Peter provides specialist advice as of counsel in corporate and individual taxation, tax litigation and administrative assistance/exchange of information in tax matters. He speaks Italian, French, English and German.


Stefano Scheller

Swiss Certified Tax Expert and Doctor in Economics and Legislation, Stefano provides specialist advice as of counsel in corporate and individual taxation, tax litigation and indirect taxation, and consults on corporate law issues. He speaks Italian, German, French and English.


Michele Romerio

Our long-lasting and fruitful collaboration (since 1995) with our external service provider Michele, accountant and financial expert with Swiss Federal Certificate, allows our clients to benefit from efficient accounting, personnel management and administrative tax services.