Stefan Breu

citizen of Oberegg, Märstetten

Commercial register

WINGS GmbH

Partner · sole signature · Pfyn

since Feb 11, 2026
Baukonzept AG

Chair of the board of directors · sole signature · Tobel-Tägerschen

since Mar 15, 2023
Pensionskasse der Rhätischen Bahn

Managing director · joint signature by two · Chur

since Aug 8, 2016
Breu Unternehmensberatung

Owner · sole signature · Basadingen-Schlattingen

Owner · sole signature

until May 17, 2001
Famro Immobilien AG

Member of the board of directors · sole signature · Tobel-Tägerschen

Member of the board of directors · sole signature

until Sep 24, 2020
Kyburz Switzerland AG

joint signature by two · Freienstein-Teufen

Member of the board of directors · joint signature by two

until Jul 10, 2026

joint signature by two

until Jul 15, 2025
Mosy Immobilien AG

Member of the board of directors · sole signature · Zürich

Member of the board of directors · sole signature

until Jun 10, 2014
Wohnbaugenossenschaft Wartau

Chair of the board of directors · joint signature by two · Wartau

Vice-chair of the board of directors · joint signature by two

until Jun 7, 2021

Mitglied der Verwaltung · no signing authority

until Sep 22, 2020
SC Haller AG

joint procuration by two · Frauenfeld

until Feb 22, 2019
Personalvorsorgestiftung der OC Oerlikon Balzers AG

Managing director · joint signature by two · Wartau

until Jul 22, 2016
Oscar Fäh AG

joint procuration by two · Oberbüren

until Sep 27, 2012
Kraftwerke Gougra AG

Member of the board of directors · no signing authority · Sierre

until Jan 26, 2006
Kernkraftwerk Gösgen-Däniken AG

Member of the board of directors · no signing authority · Däniken

until Dec 28, 2005

Member of the board of directors · no signing authority

until Oct 27, 2004
Kernkraftwerk Leibstadt AG

Member of the board of directors · no signing authority · Leibstadt

until Sep 2, 2005
Électricité d'Émosson SA

Chair of the board of directors · joint signature by two · Martigny

until Jul 1, 2005
Bouygues E&S InTec AG

Member of the board of directors · joint signature by two · Olten

until Jun 27, 2005
Kraftwerk Ryburg-Schwörstadt AG

Member of the board of directors · no signing authority · Rheinfelden

until Jun 21, 2005
Alpiq Hydro Aare AG

Member of the board of directors · joint signature by two · Olten

until Jun 17, 2005
Aare Energie AG (a.en)

Vice-chair of the board of directors · joint signature by two · Olten

until May 25, 2005
Aare Versorgungs AG (AVAG)

Chair of the board of directors · joint signature by two · Olten

until May 11, 2005
Engadiner Kraftwerke AG

Member of the board of directors · no signing authority · Zernez

until Apr 27, 2005
Lucendro SA

Member of the board of directors · joint signature by two · Airolo

until Feb 7, 2005
Durena AG

Chair of the board of directors · joint signature by two · Lenzburg

until Feb 26, 1999