Matthias Keller

citizen of Schleitheim, Baden

Commercial register

CH Media Holding AG

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

since Jun 12, 2026
KGL Bau AG

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

since Jan 13, 2026
KGL Immobilien AG

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

since Jan 13, 2026
KGL Holding AG

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

since Nov 14, 2025
Viloni GmbH

Partner · no signing authority · Baden

since May 7, 2025
CH Media Holding AG

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

since Jul 18, 2023
CALMGARD AG in Liquidation

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

since Jul 14, 2023
contactify AG

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

since Jun 9, 2023
Conapro GmbH

Chair of the executive board · joint signature by two · Urdorf

since Jan 29, 2015
mesoneer AG

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

since Jan 30, 2014
Autexis AG

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

Member of the board of directors · joint signature by two

until Mar 23, 2026
Autexis Holding AG

Chair of the board of directors · joint signature by two · Wohlen (AG)

Member of the board of directors · joint signature by two

until Mar 23, 2026
Cognosco AG

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

Hotel Prätschli AG Arosa

Chair of the board of directors · sole signature · Arosa

Member of the board of directors · sole signature

until Sep 28, 2022
KK Invest AG

Member of the board of directors · sole signature · Cham

Member of the board of directors · joint signature by two

until Oct 9, 2015
KK Restaurationsbetriebe AG

Chair of the board of directors · sole signature · Zug

Member of the board of directors · sole signature

until Jan 9, 2025
Sustain Holding AG

Member of the board of directors · sole signature · Cham

Member of the board of directors · joint signature by two

until Feb 11, 2022
Altus Property AG

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

until Apr 7, 2025
BKW Building Solutions AG

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

until Jul 3, 2023
UMB AG

joint signature by two · Freienbach

until Jan 9, 2023

Member of the board of directors · joint signature by two

until Mar 15, 2022
UMB Cloud Native AG

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

until Mar 15, 2022