| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | BREBAU Holding AG in Liquidation | 🇨🇭Svizzera | Liquidation | 30/07/2019 – present |
| Officer | B. Steinmann AG in Liquidation | 🇨🇭Svizzera | Dissolved | 19/12/2017 – present |
| Officer | Künzli Immobilien AG | 🇨🇭Svizzera | Active | 20/12/2017 – present |
| Officer | Egli Immobilien und Projektierungs AG | 🇨🇭Svizzera | Active | 02/09/2021 – present |
| Officer | Bretscher Immobilien AG in Liquidation | 🇨🇭Svizzera | Liquidation | 04/01/2024 – present |
| Officer | Opus AG Bauunternehmung | 🇨🇭Svizzera | Active | 02/04/2019 – present |
30/07/2019
appointed
11/07/2019
appointed
20/12/2017
appointed