Silvia Bietenharder

citizen of Hasle bei Burgdorf, Jona

Commercial register

Strulik GmbH

Managing director · sole signature · Lichtensteig

since Sep 1, 2005
Künzle Treuhand AG

sole signature · Rapperswil-Jona

Member of the board of directors · sole signature

until Jun 9, 2023

Member of the board of directors · sole signature

until Feb 28, 2007
Gerteis Maschinen + Processengineering AG

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

until Jan 19, 2017

Member of the board of directors · no signing authority

until Mar 12, 2007
Elwisu AG

Chair of the board of directors · sole signature · Lichtensteig

until Feb 12, 2015
Gregg Marketing AG

Director · sole signature · Benken (SG)

until Nov 12, 2012
Hintermeister AG

Member of the board of directors · sole signature · Rapperswil (SG)

until Nov 1, 1991