| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | Baumgartner Kranservice AG | 🇨🇭Switzerland | Disuelta | 24/1/2022 – presente |
| Cargo | Hämmerli & Kämpf GmbH | 🇨🇭Switzerland | Activa | 12/10/2018 – presente |
| Cargo | DBU Immobilien AG | 🇨🇭Switzerland | Activa | 16/3/2016 – presente |
| Cargo | Skyworker Trade AG | 🇨🇭Switzerland | Disuelta | 14/12/2023 – presente |
| Cargo | Blum Haustechnik AG | 🇨🇭Switzerland | Disuelta | 29/1/2019 – presente |
| Cargo | DBU Holding AG | 🇨🇭Switzerland | Activa | 3/9/2019 – presente |
| Cargo | Maltech AG | 🇨🇭Switzerland | Activa | 11/12/2023 – presente |
| Cargo | Maltech Holding AG | 🇨🇭Switzerland | Activa | 13/12/2023 – presente |
| Cargo | DBU Facility Services AG | 🇨🇭Switzerland | Activa | 29/1/2019 – presente |
| Cargo | DBU Management AG | 🇨🇭Switzerland | Activa | 3/9/2019 – presente |
24/1/2022
appointed
12/10/2018
appointed
16/3/2016
appointed