ADB Altorfer Duss & Beilstein

The firm
ADB Altorfer Duss & Beilstein is one of the leading tax law firms in Switzerland. Founded in 1954 and located in Zurich, we offer national and international clients comprehensive consultancy focusing on Swiss and international tax law.

About us
From high-net-worth individuals to institutional investors. From the SME to the listed company. From incorporation through to succession planning. From the concept through to implementation and its reproduction in tax returns and tax assessments. We provide personal and individually tailored advice in relation to all aspects of life and business decisions with tax implications.

Our services are based on decades of professional experience and are characterised by recognised specialist expertise. With our avocational engagements as lecturers, specialist authors and judges we each provide our own additional contribution to the development of tax law.

Your tax experts
Our strength lies in the interdisciplinary approach to tax law in our team of lawyers and economists. Our experienced team of tax experts carefully attends to your interests in all tax matters.

Areas of practice
ADB will act as your partner in all areas of national and international tax law and in bordering issues of business law. The main focus of our work lies in the following activities:

• Analysis of the tax situation (chances and risks; health checks)
• Tax planning (concept elaboration including legal implementation)
• Tax ruling requests; negotiations with the tax authorities
• Expert opinions (including second opinions)
• Assistance in tax audits
• Representation in tax appeals
• Compliance (tax returns etc.)
• Value-added tax (VAT) advice and compliance
• Consulting in cross-border situations

Companies
We advise our clients, which originate from various sectors, regarding national and international corporate tax law (corporate income and capital taxes, withholding tax, issuance stamp tax and securities transfer tax). Moreover, our services include advice in relation to value-added tax and customs duties. If desired, we will not only prepare tax concepts made to measure for your company, but will also ensure the legal implementation and attend to their operational execution.

Private individuals
We advise private individuals in all areas of national and international tax law, the law on social security contributions and legal issues arising in the context of tax planning.