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Wenger & Vieli LTD

Work +41 58 958 58 58
Zug, Zurich

Bignia Vieli

Work +41 58 958 58 58
Wenger & Vieli LTD

Work Department

Banks & Financial Services Providers; Corporate & Commercial Law; Inheritance Law & Estate Planning; Litigation & Arbitration.


Bignia Vieli works mainly in banking and stock exchange law as well as commercial and corporate law. She is co-head of the Financial Services practice group at Wenger & Vieli Ltd.

Her area of expertise includes establishing and obtaining regulatory approvals for Swiss financial institutions and providing them with comprehensive advice in regulatory matters, including compliance. She advises Swiss and international clients in the financial services sector with regard to banking contracts, asset management and investment advisory contracts as well as transaction issues. She represents financial institutions and clients of financial institutions in regulatory and civil proceedings before authorities and courts.

Bignia Vieli also practices commercial and corporate law, including litigation in this area, and advises private clients on all aspects of estate planning and inheritance law.

Prior to joining Wenger & Vieli Ltd., Bignia Vieli worked as an associate for international business law firms in New York und Zurich. She was admitted to the bar in the Canton of Zurich in 1988. In 1990 she earned an LL.M. from the New York University School of Law.


Since 1995, Partner at Wenger & Vieli Ltd.; 1993-1995, Lawyer at Wenger & Vieli Ltd.; 1991-1993, Lawyer at CMS von Erlach Henrici Ltd., Zurich; 1990-1991, Lawyer at Gibson, Dunn & Crutcher, New York; 1988-1989, Lawyer at CMS von Erlach Henrici Ltd., Zurich; 1986-1987, Junior Lawyer at Homburger, Zurich; 1985, Junior Lawyer at Gide, Loyrette & Nouel, Paris.


German, English and French.


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


1990, New York University School of Law (LL.M.); 1988, Admission to the Bar; 1984, University of Zurich (lic. iur.).


Banking and finance: Zurich

Within: Banking and finance: Zurich

Wenger & Vieli LTD provides regulatory and FINMA-related advice, as well as assisting with fintech projects including currencies and founding trade venues, and handling syndicated loans, lending and security issues and defending banks against contentious claims. In a recent highlight, Martin Hess advised Utrust Switzerland on setting up a payment system in digital currencies, involving its ICO and regulatory aspects. Bank supervisory lawyer Bignia Vieli, transaction partner Andreas Hünerwadel and litigator Georg Zondler form the core team.

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Dispute resolution: litigation

Within: Dispute resolution: litigation

Wenger & Vieli LTD's team includes 'excellent litigators handling high-profile cases', such as liability, pharmaceutical, banking, insurance, private client and employment disputes. Marco Cereghetti leads the team, while 'diligent and detail-oriented' Nicolas Bracher is also noted. The practice also includes banking litigator Peter Altorfer, as well as corporate and financial specialists Bignia Vieli and Philipp Lindenmayer.

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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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