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Welcome to ADB

ADB – these three letters stand for Altorfer Duss & Beilstein AG, which
was founded in 1954 as a partnership in Zurich and was transformed into a corporation in 2005. It has been a well-respected company among the independent tax counsellors in Switzerland for years.

The partners Dr. iur. Marco Duss, Dr. iur. Werner Beilstein, Dr. oec. HSG
Jürg Altorfer, Dr. iur. Marco Greter, Dr. iur. Urs Zeltner and Dr. iur. Andreas Helbing offer a wide range of advice, with an emphasis on internal and international Swiss tax law, to clients in Switzerland as well as abroad. Their services are based on decades of experience and a well-founded reputation for expertise.

The partners are supported by a team of some ten qualified employees, most of whom have a university degree in law or economics and are certified tax experts or attorneys at law.

A well-established network with foreign tax counsellors enables ADB to provide its clients with competent services on international matters.