Stephan Bolliger

citizen of Uerkheim, Eppenberg-Wöschnau

Commercial register

Wertim, Aktiengesellschaft für Wertschriften- und Immobilien-Verwaltungen

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

since Jan 12, 2026
RST Treuhand AG

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

since May 28, 2025
Schmid Streuli Holding AG

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

since Nov 20, 2023
Hochuli AG

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

since Jun 8, 2018
BDO AG

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

Max und Margarete Haar - Stiftung

Vice-chair of the foundation board · joint signature by two · Aarau

Member of the foundation board · joint signature by two

until Jun 6, 2025
Vorsorge der BDO AG

joint signature by two · Zürich

Chair of the foundation board · joint signature by two

until Feb 6, 2026
Weissenstein & Partner AG

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

until Dec 22, 2016
BDO AG

joint signature by two · Basel

until Mar 12, 2009

joint procuration by two

until May 18, 2001
BDO AG

joint signature by two · Laufen

until Mar 3, 2009
BDO AG

joint signature by two · Liestal

until Mar 3, 2009

joint signature by two

until Aug 6, 2007

joint procuration by two

until May 17, 2001
BDO AG

joint signature by two · Baden

until Oct 17, 2008

joint procuration by two

until May 25, 2001
BDO AG

joint signature by two · Aarau

until Oct 17, 2008

joint procuration by two

until May 25, 2001