# ATAG Ernst & Young Wirtschaftsprüfung AG

> Swiss commercial-register record from Swiss Graph (graph.swiss), sourced
> from the Swiss Official Gazette of Commerce (SHAB/SOGC).
> Canonical profile: https://graph.swiss/companies/atag-ernst-young-wirtschaftsprufung-ag/1442078

## Registry facts

- UID: CHE-431.858.386
- Status: deleted
- Legal form: swiss branch
- Registered: 1992-07-10
- Location: Zürich, zh
- Industry (NOGA): 692000, Accounting, bookkeeping and auditing activities; tax consultancy

## Registered officers

- Eduard Rufli — joint signing authority (any two to sign)
- Anton Roth — joint signing authority (any two to sign)
- Hans-Peter Fischer — limited joint signing authority (any two to sign)
- Werner Storz — joint signing authority (any two to sign)
- Mathias Burckhardt — member of the board — joint signing authority (any two to sign)
- Willy Eggenschwyler — member of the board — joint signing authority (any two to sign)
- Andreas Müller — member of the board — joint signing authority (any two to sign)
- Daniel Aerni — joint signing authority (any two to sign)
- Ancillo Canepa — joint signing authority (any two to sign)
- Jean Comtesse — joint signing authority (any two to sign)
- Eugen Ulrich — joint signing authority (any two to sign)
- Rudolf Fehlmann — joint signing authority (any two to sign)
- Verena Fontana — joint signing authority (any two to sign)
- Martin Frey — joint signing authority (any two to sign)
- Karl Geiger — joint signing authority (any two to sign)
- Werner Götte — joint signing authority (any two to sign)
- Beat Gysi — joint signing authority (any two to sign)
- Rolf Hartmann — joint signing authority (any two to sign)
- Armin Hegglin — joint signing authority (any two to sign)
- Wilhelm Holdener — joint signing authority (any two to sign)
- Walter Jakob — joint signing authority (any two to sign)
- André Jeanmonod — joint signing authority (any two to sign)
- Erich Kägi — joint signing authority (any two to sign)
- Peter Lämmli — joint signing authority (any two to sign)
- Heinz Mollet — joint signing authority (any two to sign)
- Urs Moser — joint signing authority (any two to sign)
- Arthur Müller — joint signing authority (any two to sign)
- Urs Müller — joint signing authority (any two to sign)
- Alfred Preisig — joint signing authority (any two to sign)
- Jonny Roos — joint signing authority (any two to sign)
- Beat Röthlisberger — joint signing authority (any two to sign)
- Roland Ruckstuhl — joint signing authority (any two to sign)
- Peter Sahli — joint signing authority (any two to sign)
- Antoine Sanzi — joint signing authority (any two to sign)
- Hans Schädeli — joint signing authority (any two to sign)
- Werner Schlapbach — joint signing authority (any two to sign)
- Alex Schmidlin — joint signing authority (any two to sign)
- Karen Schoepke — joint signing authority (any two to sign)
- Stefan Seiler — joint signing authority (any two to sign)
- Aldo Semadeni — joint signing authority (any two to sign)
- Yves Vontobel — joint signing authority (any two to sign)
- Hans Wülser — joint signing authority (any two to sign)
- Robert Zuberbühler — joint signing authority (any two to sign)
- Michele Balestra — limited joint signing authority (any two to sign)
- Jürg Denneberg — limited joint signing authority (any two to sign)
- Alice Maurer — limited joint signing authority (any two to sign)
- Shingo Watanabe — joint signing authority (any two to sign)
- Fritz Wiedmer — joint signing authority (any two to sign)
- Diego Bonato — joint signing authority (any two to sign)
- Thomas Huwyler — joint signing authority (any two to sign)
- Patrick Imgrüt — joint signing authority (any two to sign)
- Graziella Quadri — limited joint signing authority (any two to sign)
- Silvia Stieger — limited joint signing authority (any two to sign)
- Regula Bruggmann — joint signing authority (any two to sign)
- Markus Burri — joint signing authority (any two to sign)
- Max Kuratli — joint signing authority (any two to sign)
- Bruno Korrodi — joint signing authority (any two to sign)
- Caroline Gloor — limited joint signing authority (any two to sign)
- Arturo Giovanoli — joint signing authority (any two to sign)
- Armin Imoberdorf — joint signing authority (any two to sign)
- Romain Jaeger — joint signing authority (any two to sign)
- Paul Kallweit — joint signing authority (any two to sign)
- Andreas Kratzer — joint signing authority (any two to sign)
- Reinhard Oertli — joint signing authority (any two to sign)
- Martin Schneider — joint signing authority (any two to sign)
- Hansjürg Sieber — joint signing authority (any two to sign)
- Clemens Bourquin — limited joint signing authority (any two to sign)
- Martha Mauchle — limited joint signing authority (any two to sign)
- Peter Spori — chairperson of the board — joint signing authority (any two to sign)
- Daniela Geissbühler — joint signing authority (any two to sign)
- Rudolf Lanz — joint signing authority (any two to sign)
- Dr. Widmer — joint signing authority (any two to sign)
- Elmar Wohlgensinger — joint signing authority (any two to sign)
- Reto Steiger — limited joint signing authority (any two to sign)
- Antoine Praz — joint signing authority (any two to sign)
- Philippe Tischhauser — joint signing authority (any two to sign)
- Marie-Noëlle Tromeri — limited joint signing authority (any two to sign)
- Bruno Bleisch — joint signing authority (any two to sign)
- Konrad Althaus — joint signing authority (any two to sign)
- Peter Bohnenblust — joint signing authority (any two to sign)
- Joan McKay Jost — joint signing authority (any two to sign)
- Beat Unternährer — joint signing authority (any two to sign)
- Bruno Wild — joint signing authority (any two to sign)
- Reto Sonderegger — limited joint signing authority (any two to sign)
- Peter Schöni — joint signing authority (any two to sign)
- René Schwarzenbach — joint signing authority (any two to sign)
- Christine Beetschen-Abegg — limited joint signing authority (any two to sign)
- Hans Wehrli — joint signing authority (any two to sign)
- Suzanne Affentranger — joint signing authority (any two to sign)
- Marius Aregger — joint signing authority (any two to sign)
- Jürg Dannecker — joint signing authority (any two to sign)
- Uwe Dingeldein — joint signing authority (any two to sign)
- Robert Fleischmann — joint signing authority (any two to sign)
- René Forster — joint signing authority (any two to sign)
- Jörg Heierli — joint signing authority (any two to sign)
- Christoph Lerch — joint signing authority (any two to sign)
- Britta Müller-Ganz — joint signing authority (any two to sign)
- Felix Ort — joint signing authority (any two to sign)
- Irmela Schnebel — joint signing authority (any two to sign)
- Eduard Schwarz — joint signing authority (any two to sign)
- Robert Wightman — joint signing authority (any two to sign)
- Beat Arbenz — limited joint signing authority (any two to sign)
- Hans-Ulrich Riesen — limited joint signing authority (any two to sign)
- Gerda Zürrer Baumgartner — limited joint signing authority (any two to sign)
- Marc Häsler — limited joint signing authority (any two to sign)
- Jérôme Barras — joint signing authority (any two to sign)
- Claudio Ernst — joint signing authority (any two to sign)
- Martin Stäubli — joint signing authority (any two to sign)
- Peter Heiniger — limited joint signing authority (any two to sign)
- Rainer Hausmann — limited joint signing authority (any two to sign)
- Anette Ulmer Huber — joint signing authority (any two to sign)
- Ralph Flösser — limited joint signing authority (any two to sign)
- Ivo Gut — limited joint signing authority (any two to sign)
- Urs Schüpfer — limited joint signing authority (any two to sign)
- Bruno Wassmer — limited joint signing authority (any two to sign)
- Marcel Maglock — member of the board — joint signing authority (any two to sign)
- Pierangelo Beltrami — joint signing authority, restricted to the branch office (any two to sign)
- Andreas Furrer — joint signing authority, restricted to the branch office (any two to sign)
- André Hirsbrunner — joint signing authority, restricted to the branch office (any two to sign)
- Kaspar Hösli — joint signing authority, restricted to the branch office (any two to sign)
- Markus Huber — joint signing authority, restricted to the branch office (any two to sign)
- Markus Kühne — joint signing authority, restricted to the branch office (any two to sign)
- Jörg Reinecke — joint signing authority, restricted to the branch office (any two to sign)
- Peter Schiess — joint signing authority, restricted to the branch office (any two to sign)
- Andreas Spillmann — joint signing authority, restricted to the branch office (any two to sign)
- René Stauber — joint signing authority, restricted to the branch office (any two to sign)
- Christoph Thüring — joint signing authority, restricted to the branch office (any two to sign)
- Jürg Walter — joint signing authority, restricted to the branch office (any two to sign)
- Rudolf Brunner — limited joint signing authority, restricted to the branch office (any two to sign)
- Martin Gröli — limited joint signing authority, restricted to the branch office (any two to sign)
- Siegfried Hampl — limited joint signing authority, restricted to the branch office (any two to sign)
- Achilles Handschin — limited joint signing authority, restricted to the branch office (any two to sign)
- Willy Hofstetter — limited joint signing authority, restricted to the branch office (any two to sign)
- Clemens Jenni — limited joint signing authority, restricted to the branch office (any two to sign)
- Thomas Müller — limited joint signing authority, restricted to the branch office (any two to sign)
- Pascal Petruccelli — limited joint signing authority, restricted to the branch office (any two to sign)
- Hans-Jörg Trüb — limited joint signing authority, restricted to the branch office (any two to sign)
- Peter Schmid — joint signing authority, restricted to the branch office (any two to sign)
- Oliver Wöhr — limited joint signing authority, restricted to the branch office (any two to sign)
- Kevin McCabe — joint signing authority (any two to sign)
- René Röthlisberger — limited joint signing authority (any two to sign)
- Silvio Campestrini — joint signing authority, restricted to the branch office (any two to sign)
- Urs Brügger — joint signing authority (any two to sign)
- Stephan Haagmans — joint signing authority (any two to sign)
- Roland Schär — joint signing authority (any two to sign)
- Christoph Nüssli — joint signing authority, restricted to the branch office (any two to sign)
- Daniel Kesselring — limited joint signing authority (any two to sign)
- Gianluca Airaghi — limited joint signing authority, restricted to the branch office (any two to sign)
- David Dowse — limited joint signing authority, restricted to the branch office (any two to sign)
- Marcel Wermuth — limited joint signing authority, restricted to the branch office (any two to sign)
- Anton Widler — joint signing authority, restricted to the branch office (any two to sign)
- Rosmarie Knecht — joint signing authority, restricted to the branch office (any two to sign)
- Elisabeth Hermann — joint signing authority (any two to sign)
- Christian Schibler — joint signing authority (any two to sign)
- Jan Birgersson — joint signing authority (any two to sign)
- Andreas Bommel — joint signing authority (any two to sign)
- Jean-Pierre Brenn — joint signing authority (any two to sign)
- Michael Bugs — joint signing authority (any two to sign)
- Heinrich Christen — joint signing authority (any two to sign)
- Andreas Keller — joint signing authority (any two to sign)
- Günter Rordorf — joint signing authority (any two to sign)
- Hans-Peter Rudolf — joint signing authority (any two to sign)
- Raymond Schmid — joint signing authority (any two to sign)
- Roland Suter — joint signing authority (any two to sign)
- Hans Kurz — limited joint signing authority, restricted to the branch office (any two to sign)
- Karin Oertli-Bressan — limited joint signing authority, restricted to the branch office (any two to sign)
- Stella Polasek — limited joint signing authority, restricted to the branch office (any two to sign)
- Georg Engeli — joint signing authority (any two to sign)
- Rosmarie Bischof — limited joint signing authority (any two to sign)
- Peter Hurni — member of the board — joint signing authority (any two to sign)
- Willi Fischer — member of the board + manager — joint signing authority (any two to sign)
- Willy Glaus — member of the board + manager — joint signing authority (any two to sign)
- Dr. Grossmann — member of the board + manager — joint signing authority (any two to sign)
- Kaspar Hofmann — member of the board + manager — joint signing authority (any two to sign)
- Dr. Urs Neuenschwander — member of the board + manager — joint signing authority (any two to sign)
- Robert Pennone — member of the board + manager — joint signing authority (any two to sign)
- Bernhard Binzegger — manager — joint signing authority (any two to sign)
- Willi Dietschi — manager — joint signing authority (any two to sign)
- Heinrich Gehring — manager — joint signing authority (any two to sign)
- Heinz Grob — manager — joint signing authority (any two to sign)
- Hans Hunziker — manager — joint signing authority (any two to sign)
- Yves Meili — manager — joint signing authority (any two to sign)
- Martin Schneider — manager — joint signing authority (any two to sign)
- Rudolf Sigg — manager — joint signing authority (any two to sign)
- Jürg Wenger — manager — joint signing authority (any two to sign)
- Robert Wightman — manager — joint signing authority (any two to sign)
- Karl Wüthrich — manager — joint signing authority (any two to sign)
- Dieter Hierholzer — deputy manager — joint signing authority (any two to sign)
- Othmar Huber — deputy manager — joint signing authority (any two to sign)
- Markus Iten — deputy manager — joint signing authority (any two to sign)
- Emil Keller — deputy manager — joint signing authority (any two to sign)
- Ferdinand Leimbacher — deputy manager — joint signing authority (any two to sign)
- Andreas Meuli — deputy manager — joint signing authority (any two to sign)
- Orlando Rabaglio — deputy manager — joint signing authority (any two to sign)
- Irene Salvi — deputy manager — joint signing authority (any two to sign)
- Roland Schär — deputy manager — joint signing authority (any two to sign)
- Peter Schöni — deputy manager — joint signing authority (any two to sign)
- Arthur Sommerhalder — deputy manager — joint signing authority (any two to sign)
- Marco Syfrig — deputy manager — joint signing authority (any two to sign)
- Stefan Tobler — deputy manager — joint signing authority (any two to sign)
- Ernst Walder — deputy manager — joint signing authority (any two to sign)
- Fritz Otto Wiedmer — deputy manager — joint signing authority (any two to sign)
- Kurt Wild — deputy manager — joint signing authority (any two to sign)
- Hedwig Biron — deputy manager — joint signing authority (any two to sign)
- Daniela Geissbühler — deputy manager — joint signing authority (any two to sign)
- Markus Huber — deputy manager — joint signing authority (any two to sign)
- Veronica James — deputy manager — joint signing authority (any two to sign)
- Andrea Keller — deputy manager — joint signing authority (any two to sign)
- Siegfried Kersten — deputy manager — joint signing authority (any two to sign)
- Ernst Kölliker — deputy manager — joint signing authority (any two to sign)
- Eva Neyroud — deputy manager — joint signing authority (any two to sign)
- David Ryser — deputy manager — joint signing authority (any two to sign)
- Hans Schmid — deputy manager — joint signing authority (any two to sign)
- Kurt Schweizer — deputy manager — joint signing authority (any two to sign)
- Walter Sommer — deputy manager — joint signing authority (any two to sign)
- Hans Stamm — deputy manager — joint signing authority (any two to sign)
- Shingo Watanabe — deputy manager — joint signing authority (any two to sign)
- Dieter Weber — deputy manager — joint signing authority (any two to sign)
- Esther Zimmermann Grob — deputy manager — joint signing authority (any two to sign)
- Dr. Peider Mengiardi — joint signing authority (any two to sign)
- Karl Müller — joint signing authority (any two to sign)
- Dr. Schär — joint signing authority (any two to sign)
- Heinrich Wiki — joint signing authority (any two to sign)
- Kaspar Blättler — limited joint signing authority (any two to sign)
- Stephan Blättler — limited joint signing authority (any two to sign)
- René De Coi — limited joint signing authority (any two to sign)
- Ursula Duewell — limited joint signing authority (any two to sign)
- Georg Engeli — limited joint signing authority (any two to sign)
- Elisabeth Farner — limited joint signing authority (any two to sign)
- Regula Häfelin — limited joint signing authority (any two to sign)
- Kurt Haller — limited joint signing authority (any two to sign)
- Elisabeth Hermann — limited joint signing authority (any two to sign)
- Wilhelm Hüppi — limited joint signing authority (any two to sign)
- Kevin McCabe — limited joint signing authority (any two to sign)
- Rolf Melliger — limited joint signing authority (any two to sign)
- Christoph Pauli — limited joint signing authority (any two to sign)
- Henry Reinhardt — limited joint signing authority (any two to sign)
- Heinrich Schellenberg — limited joint signing authority (any two to sign)
- Dr. Schwarzenbach — limited joint signing authority (any two to sign)
- Marina Planta — limited joint signing authority (any two to sign)
- Christoph Weber — limited joint signing authority (any two to sign)
- Martin Wipfli — limited joint signing authority (any two to sign)
- James Searson — joint signing authority (any two to sign)
- Bernard Roduit — member of the board — joint signing authority (any two to sign)
- Georg Engeli — limited joint signing authority (any two to sign)
- Roger Priester — limited joint signing authority (any two to sign)
- Helen Robinson — limited joint signing authority (any two to sign)
- Patrick Wild — limited joint signing authority (any two to sign)
- Peter Bühler — member of the board — joint signing authority (any two to sign)
- Hermann Trostel — member of the board — joint signing authority (any two to sign)
- Andreas Keller — joint signing authority (any two to sign)
- Hans-Rudolf Künzel — joint signing authority (any two to sign)
- Eva Neyroud — joint signing authority (any two to sign)
- Irene Salvi — joint signing authority (any two to sign)
- Hans Schmid — joint signing authority (any two to sign)
- Gregor Scholz — joint signing authority (any two to sign)
- Hans Stamm — joint signing authority (any two to sign)
- Dieter Weber — joint signing authority (any two to sign)
- Urs Wolfensberger — joint signing authority (any two to sign)
- Peter Zingg — joint signing authority (any two to sign)
- Andrea — limited joint signing authority (any two to sign)
- Stefano Caccia — limited joint signing authority (any two to sign)
- Katharina Gericke — limited joint signing authority (any two to sign)
- Arturo Giovanoli — limited joint signing authority (any two to sign)
- Stephan Glaab — limited joint signing authority (any two to sign)
- Hanna Grossenbacher — limited joint signing authority (any two to sign)
- Stephan Haagmans — limited joint signing authority (any two to sign)
- Peter Heid — limited joint signing authority (any two to sign)
- Irmela Heimstädt-Schnebel — limited joint signing authority (any two to sign)
- Jakob Huber — limited joint signing authority (any two to sign)
- Armin Imoberdorf — limited joint signing authority (any two to sign)
- Marcel Schmid — limited joint signing authority (any two to sign)
- Anette Ulmer-Huber — limited joint signing authority (any two to sign)
- René De Coi — limited joint signing authority (any two to sign)
- Rolf Melliger — limited joint signing authority (any two to sign)
- Roger Priester — limited joint signing authority (any two to sign)
- Katharina Gericke Meier — limited joint signing authority (any two to sign)
- Kaspar Hofmann — member of the board — joint signing authority (any two to sign)
- Christian Schibler — limited joint signing authority (any two to sign)
- Irmela Heimstädt-Schnebel — limited joint signing authority (any two to sign)
- Helen Hanimann-Robinson — limited joint signing authority (any two to sign)
- Hedwig Biron — joint signing authority (any two to sign)
- Martin Wipfli — joint signing authority (any two to sign)
- Kim Ludvigsen — limited joint signing authority (any two to sign)
- Jan Birgersson — joint signing authority (any two to sign)
- Kevin McCabe — joint signing authority (any two to sign)
- David Ryser — joint signing authority (any two to sign)
- Stephan Glaab — limited joint signing authority (any two to sign)
- Markus Kuratli — joint signing authority (any two to sign)
- Anette Ulmer-Huber — limited joint signing authority (any two to sign)
- Kaspar Blättler — joint signing authority (any two to sign)
- Roland Schär — joint signing authority (any two to sign)
- Marc Häsler — limited joint signing authority (any two to sign)
- Stephan Haagmans — joint signing authority (any two to sign)
- Dieter Beeler — limited joint signing authority (any two to sign)
- Urs Brügger — limited joint signing authority (any two to sign)
- Daniela Gobbi — limited joint signing authority (any two to sign)
- Christophe In-Albon — limited joint signing authority (any two to sign)
- Mario Irminger — limited joint signing authority (any two to sign)
- André Lorenz — limited joint signing authority (any two to sign)
- Urs Meier — limited joint signing authority (any two to sign)
- Rezio Moretti — limited joint signing authority (any two to sign)
- Bruno Müller — limited joint signing authority (any two to sign)
- Stephan Pfenninger — limited joint signing authority (any two to sign)
- Alfred Rüdisühli — limited joint signing authority (any two to sign)
- Angelina Umbelino Ferreira Joho — limited joint signing authority (any two to sign)
- Werner Widmer — limited joint signing authority (any two to sign)
- Rudolf von Siebenthal — member of the board — joint signing authority (any two to sign)
- Nicolas de Buman — joint signing authority (any two to sign)
- Christine Beetschen-Abegg — limited joint signing authority (any two to sign)
- Christophe In-Albon — limited joint signing authority (any two to sign)
- Eva Neyroud — joint signing authority (any two to sign)
- Marco Syfrig — joint signing authority (any two to sign)
- Thomas Neidhart — joint signing authority (any two to sign)
- Renée Lynn Crowley — limited joint signing authority (any two to sign)
- Daniel Kesselring — limited joint signing authority (any two to sign)
- René Röthlisberger — limited joint signing authority (any two to sign)
- Stephan Blättler — joint signing authority (any two to sign)
- Christoph Castelberg — limited joint signing authority, restricted to the branch office (any two to sign)
- Daniel Senn — limited joint signing authority, restricted to the branch office (any two to sign)
- Stefan Wicki — limited joint signing authority, restricted to the branch office (any two to sign)

---

Machine-readable variant of https://graph.swiss/companies/atag-ernst-young-wirtschaftsprufung-ag/1442078: registry facts only; the HTML
profile adds the corporate network, publications and live enrichment.
Site overview for agents: https://graph.swiss/llms.txt