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Wenger & Vieli LTD

Work +41 58 958 58 58
Zug, Zurich

Dr iur Michael Mráz

Work +41 58 958 58 58
Wenger & Vieli LTD

Work Department

Litigation & Arbitration; White-Collar Crime.


Michael Mráz deals with white-collar crime, international judicial and mutual administrative assistance as well as matters relating to the Financial Market Supervisory Authority (FINMA). He specializes in advising and representing clients in criminal and regulatory proceedings.

Michael Mráz represents individuals and companies who are themselves involved in criminal proceedings, as well as those who have been harmed by a criminal offense. As part of judicial and mutual administrative assistance, he assists persons in matters of extradition and the transmission of information to foreign authorities. Another focus of his work is providing advice and support to clients in their compliance and prevention efforts as well as internal investigations.

Michael Mráz also represents parties as their lawyer in commercial matters before Swiss courts and national and international arbitral tribunals. In addition, he advises Swiss clients with business activities in Eastern Europe as well as foreign clients, specifically from the Czech Republic, Russia and Ukraine.

Michael Mráz is also a lecturer and author in his fields of expertise.


Since 2009, Partner at Wenger & Vieli Ltd.; 2001-2008, Lawyer at Wenger & Vieli Ltd.; 2001-2003, Research Fellow and Teaching Assistant at the University of Lucerne; 1999-2001, Junior Lawyer at Wenger & Vieli Ltd.; 1997-1999, Federal Office for Foreign Economic Affairs, Department "Law and International Investments"; 1995-1997, Assistant at the Institute for Public International Law of the University of Zurich (Prof Thürer).


German, English, French, Russian and Czech.


Swiss Bar Association (SAV); Zurich Bar Association (ZAV); Swiss Arbitration Association (ASA).


2015, Certified Specialist SBA Criminal Law; 2002, University of Zurich (Dr. iur.); 2001, Admission to the Bar; 1995, University of Zurich (lic. iur.).


Dispute resolution: arbitration

Within: Dispute resolution: arbitration

Wenger & Vieli LTD is 'an excellent shop for arbitration', especially regarding contractual, commercial, intellectual property, post-M&A, energy and construction disputes. The 'very experienced, reliable and respected' practice lead Urs Weber-Stecher is recommended alongside 'outstanding arbitratorsDaniel Girsberger and Michael Mráz, who have 'a friendly, down-to-earth attitude'.

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Legal Developments by:
Wenger & Vieli LTD

  • Swiss Capital Contribution Principle

    As per 1 January 2011 a new regulation in the Swiss tax law concerning the tax treatment of the repayment of capital contributions enters into force. According to the new rules the repayment of capital contributions is exempt from Swiss income tax (if the shares are owned as private means) and Swiss withholding tax.
    - Wenger & Vieli

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