Martin Kummer

citizen of Lohn-Ammannsegg, Schinznach

Commercial register

MCT Progresso AG

Member of the board of directors · joint signature by two · Holderbank (AG)

since Jun 5, 2026
TKU Holding AG

Member of the board of directors · joint signature by two · Holderbank (AG)

since Jun 4, 2026
BuWy Immo AG

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

since Jan 18, 2024
WCS Immobilien AG

Member of the board of directors · sole signature · Lupfig

since Jun 18, 2021
Lindhof AG

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

since Sep 24, 2020
Immo Treier AG

Member of the board of directors · sole signature · Holderbank (AG)

Member of the board of directors · sole signature

until Jan 22, 2014

Chair of the board of directors · sole signature

until Feb 15, 1999

Chair of the board of directors · sole signature

until Jul 29, 1996
Treier AG

Chair of the board of directors · sole signature · Schinznach Dorf

Member of the board of directors · sole signature

until Jan 22, 2019

Member of the board of directors · sole signature

until Jan 28, 2014
Bildungsstiftung des baumeister verbandes aargau

Chair of the foundation board · sole signature · Aarau

until May 26, 2023
FairBau Solutions GmbH

Managing director · sole signature · Lupfig

until Apr 9, 2019

Chair of the executive board · joint signature by two

until May 19, 2017