Brigitte Umbach-Spahn


Brigitte Umbach-Spahn is a partner on the Insolvency and Restructuring team. She advises creditors and debtors in national and cross-border restructuring and insolvency cases and represents clients in court in insolvency matters. She also acts as administrator/liquidator in complex insolvency proceedings and serves as a member of creditor committees. Brigitte Umbach-Spahn has been appointed by FINMA as an investigating agent for banks and financial institutions.

Brigitte Umbach-Spahn is past co-chair of the IBA Insolvency Section and since 2019 member of the advisory board of the IBA Insolvency Section. She regularly speaks at national and international conferences and publishes on topics relating to insolvency law.

Practice Areas:

Insolvency and Restructuring
Banking and Finance
Litigation and Arbitration


Extraordinary bankruptcy administrator Publicitas AG in bankruptcy liquidation
Liquidator Bank Hottinger & Cie AG in bankruptcy liquidation
Liquidator Petroplus Marketing Ltd in debt restructuring liquidation
Liquidator Petroplus Refining Cressier SA in debt restructuring liquidation
Liquidator Swiss Market Maker & Securities AG in bankruptcy liquidation
Liquidator AAA Beteiligungen AG in Liquidation
Liquidator AI Technology AG in Liquidation
Liquidator Diamonds24 AG in Liquidation
Liquidator Top 24 AG in Liquidation
Liquidator Stanford Group (Suisse) Ltd in liquidation


2007 Partner Wenger Plattner
2001 Attorney at Law Wenger Plattner
2001 University of Pennsylvania (LL.M.)
1999 Law clerk High Court Zurich
1997 Law clerk District Court Hinwil, Zurich
1996 Trainee at Baker & McKenzie, Zurich
1996   University of Zurich (lic. iur.)

Selected publications:

Kommentar zu Art. 305 - 313 SchKG
In: Basler Kommentar zum Bundesgesetz über Schuldbetreibung und Konkurs, Staehelin Daniel, Bauer Thomas, Lorandi Franco (Hrsg.), 3. Auflage, Basel 2021

Newsletter 2/18: My business partner won't pay up. What should I do?
An important business partner always pays my invoices late. And then eventually payments cease altogether. There are rumours in the industry that the business partner is about to go bust. What should I do?

Kommentar zu Art. 293-304 SchKG
In: Schulthess Kommentar zum Bundesgesetz über Schuldbetreibung und Konkurs SchKG, Kren Kostkiewicz Jolanta/Vock Dominik (Hrsg.), 4. Auflage, Zürich/Basel/Genf 2017, basierend auf der 1911 erschienenen 3. Auflage von Carl Jaeger

Anfechtungsklage (in German)
In: Kommentierte Musterklagen zur Zwangsvollstreckung und zu den Rechtsmitteln, Fischer Willi/Theus Simoni Fabiana/Gessler Dieter (Hrsg.), Band V, Zürich 2016, S. 73 ff.

Kommentar zu Art. 200 und Art. 285-292 SchKG (in German)
In: Kurzkommentar SchKG - Schuldbetreibungs- und Konkursgesetz, Hunkeler Daniel (Hrsg.), 2. Auflage, Basel 2014

Kommentar zu Art. 29 BankG (in German)
In: Basler Kommentar zum Bankengesetz, Watter Rolf / Vogt Nedim Peter / Bauer Thomas / Winzeler Christoph (Hrsg.), 2. Auflage, Basel 2013

Pauliana und Sanierung (in German)
In: Europa Institut, Sanierung und Insolvenz von Unternehmen, Sprecher Thomas (Hrsg.), Zürich 2011, S. 157 ff.


Brigitte Umbach-Spahn lic. iur., LL.M.
Attorney at Law
Wenger Plattner
Attorneys at Law Tax Advisors Public Notaries
Seestrasse 39 | P.O. Box
8700 Küsnacht-Zürich

T +41 43 222 38 00
F +41 43 222 38 01


Bar admission (1999)


German, English, French