Martin ZweifelCounsel


+41 44 208 10 10


Swiss and international tax law
Criminal tax law
Property tax law
Constitutional law

Social Media


Specialty / Expertise

Preparing expert opinions and advising and representing individuals, companies and authorities regarding Swiss and international tax law, constitutional law and international treaties.

Martin Zweifel

Career / Education

Independent lawyer and Counsel of Tax Advisors & Associates Switzerland AG, Zurich
President of the Administrative Court of the Canton of Zurich 2011-2013, 2004-2007 and 1995-1998
Part-time Federal Supreme Court judge on the Swiss Federal Supreme Court, in public law department (in charge of tax law issues)1996-2002
Honorary professor of tax law at the University of Zurich 1995
Private lecturer of tax law at the University of Zurich 1988
President of the diploma dissertation commission for the Swiss tax specialist examinations 1987-2001
Full-time administrative judge/president of the 2nd department of the Administrative Court of Zurich dealing with tax issues 1985-2013
Full-time president of the tax appeals commission (Tax Appeals Court) of the Canton of Zurich 1979-1985
Tax commissioner with special duties for the Zurich cantonal tax office (department for construction and real estate companies) 1978
Called to the bar of the canton of Zurich 1975
Court clerk, head court clerk and full-time special assistant judge for the District Court of Meilen 1973

Awarded doctorate (Dr. iur) from the University of Zurich 1973
Obtained law degree (Lic. iur); assistant to Prof. Dr. Arthur Meier-Hayoz for trade and corporate law at the University of Zurich 1971

Teaching activities
Professor at the University of Zurich
President, seminar leader and speaker at the Institute for Swiss and International Tax Law (ISIS)
Course instructor and lecturer at the Swiss Institute for Tax Studies (SIST)

Zürcher Anwaltsverband (bar association of Zurich)
Schweizerischer Anwaltsverband (bar association of Switzerland)
Swiss Association of Tax Law Professors (SATLP)
International Fiscal Association (IFA)
Schweizerischer Juristenverein (Swiss lawyers’ association)

German, English, French and Italian


Martin Zweifel’s publications are listed on his website.


Martin Zweifel’s seminars are listed on his website.