Stefan Helfenstein
citizen of Sempach, Sempach
Commercial register
Chair of the executive board · sole signature · Sempach
since Jun 17, 2026joint procuration by two · Hüttwilen
since Mar 25, 2019joint procuration by two
until Jul 29, 2014Chair of the board of directors · sole signature · Unterägeri
Member of the board of directors · sole signature
until Nov 16, 2021Member of the board of directors · sole signature
until Dec 28, 2011joint procuration by two · Altendorf
until Dec 24, 2018Member of the board of directors · no signing authority · Feusisberg
until Oct 24, 2018Member of the board of directors · no signing authority · Baar
until Nov 23, 2000Member of the board of directors · no signing authority
until Jan 22, 1998