ADB Altorfer Duss & Beilstein

ADB Altorfer Duss & Beilstein AG is one of the leading tax law firms in Switzerland, offering expert advice in all areas of domestic and international tax law. Founded in 1954 and located in Zurich, the firm specialises in providing a wide range of tax services in all areas of corporate tax, individual tax, VAT, transfer pricing and tax litigation. The ADB team has decades of professional experience and comprises ten account leaders (five partners, four directors, one counsel) and eight highly qualified tax experts.

Clients include national and international public-listed and privately run businesses in various sectors, in addition to Swiss and international high-net-worth individuals and institutional investors. The firm provides a comprehensive consultancy service focused on Swiss and international tax law and bordering areas of Swiss business law. As a result of the longevity, ADB has formed well-established relationships with a large number of small and mid-sized Swiss law firms. ADB's tax expertise is also respected and utilised by a large number of banks, asset managers, family offices as well as accounting and fiduciary firms.

Ranking
ITR World Tax, The Legal 500, Chambers Global and Chambers Europe rank ADB as a leading tax law firm. Four of the firm’s partners feature in the Who's Who Legal and four partners in the The Expert Guides as leading specialists in tax law. All listings base these assessments on independent research.

Services include:

Audit services

• Integrated reporting
• IFRS

Tax services

• Corporate tax
• Indirect taxes
• Global mobility tax services
• Transfer pricing
• Private wealth

Advisory services

• M&A
• Transaction services
• Legal

Other services:

For companies:
Tax planning for groups and SMEs, incorporations and relocations, mergers and acquisitions, tax due diligence, international structuring, reorganisations and restructurings, collective investments schemes, financial and capital markets, real estate taxes, tax returns (compliance), prevention and compliance – advice in the area of penal tax law, tax audits and tax appeals, Value-Added Tax (VAT) and customs duties.

For private individuals:
Tax planning, inheritance planning and estate administration, relocation to and from Switzerland, real estate taxes, secondments and expatriates, social security law, tax returns (compliance) and prevention and compliance – advice in the area of penal tax law.