ADB Altorfer Duss & Beilstein

Andreas Helbing focuses on corporate tax law consultancy for groups and SMEs. He advises in particular on the special issues arising in cross-border situations. In addition, Andreas Helbing advises private clients who, due to complex financial circumstances, have particular tax-related consultancy needs. Andreas Helbing also acts as a representative in tax litigation cases.

Britta Rehfisch

Britta Rehfisch advises companies and private individuals on value-added tax (VAT) and customs law issues. Her expertise is focused on cross-border issues, real estate and collective investments. Alongside her specialisation in VAT, she also advises on corporate tax law. Britta Rehfisch is recognized as leading individual in Swiss tax law by the international professional services guide Women in Tax Leaders.

Fabian Duss

Fabian Duss works mainly in the area of national and international corporate tax, with a particular focus on tax effective supply chain management, transfer pricing, restructuring and corporate takeovers. He also advises in relation to capital market transactions and collective investments and industry-specific issues regarding banks, insurance companies and asset managers. In addition, Fabian Duss advises Family Offices and Executives.

Fabian Streule

Fabian Streule mainly advises companies and groups on national and international tax law. This includes in particular tax advice in relation to reorganisations, intra-group transactions and investment management structures. Fabian Streule also advises private individuals with a special focus on Swiss-German cross-border issues.

Jürg Altorfer

Jürg Altorfer specializes in advising entrepreneurial companies and their shareholders on national and cross-border tax and social security law. He also specializes in corporate restructurings and acquisitions (M&A). His clients appreciate his decades of experience in tax consulting, which he combines with his experience as a board member and entrepreneur. He lives out his affinity for sports in the sportlifeone network, which ADB co-founded in 2020. Sportlifeone offers advice to athletes during and after their sports career.

Manuel Dubach

Manuel Dubach works in the area of national and international tax law. His core areas of expertise include providing advice on domestic and international M&A transactions, restructurings, and tax matters related to start-ups and their founders. His tax expertise also includes complex employee stock plans in domestic and international contexts.

Marc Dietschi

Marc Dietschi advises on national and international tax law and specializes in international corporate tax, transfer pricing, international tax planning and tax effective supply chain management. Marc Dietschi also provides tax advice to private individuals.

Marco Buchmann

Marco Buchmann works in the area of national and international tax law. He is frequently involved in both domestic and cross-border M&A transactions and corporate restructurings.

Marco Greter

Marco Greter advises groups and SMEs in relation to corporate tax law and private clients who, due to their complex financial or personal circumstances, have particular tax-related consultancy needs. He also works in the area of real estate taxes, as an expert for tax opinions (including second opinions).

Mathias Häni

Mathias Häni focuses on corporate tax law consultancy for groups and SMEs. This includes amongst others national and international restructurings, intra-group transactions, financial reorganisations and tax privileges. He has particular expertise in the special issues arising in relation to the taxation of real estate

Michael Felber

Michael Felber specialises in questions relating to national and international corporate tax law, and in particular issues surrounding collective investments. In addition, he supports clients in judicial procedures and advises private clients in all matters of tax law and social security issues arising in cross-border situations.

Pascal Taddei

Pascal Taddei advises on national and international tax law and specialises in restructurings, M&A, intragroup transactions, financings, fund structures and the relocation of companies to and from Switzerland. Pascal Taddei also provides tax advice for private clients.

Urs Zeltner

Urs Zeltner mainly deals with business law. He assists companies in all matters of company law, during incorporation, restructuring, changes in capital and transactions and in the areas of contract law, employment law and immigration law. Urs Zeltner also advises private individuals inter alia in relation to asset and inheritance planning and estate administration.

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