| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Hutter Schlosserei Sieber Zäune GmbH in Liquidation | 🇨🇭Svizzera | Dissolved | 16/11/2021 – present |
| Officer | Valrheno Immobilien AG | 🇨🇭Svizzera | Active | 16/05/2017 – present |
| Officer | Bad Immobilien AG | 🇨🇭Svizzera | Active | 05/01/2018 – present |
| Officer | Remo Sieber Architektur AG | 🇨🇭Svizzera | Dissolved | 01/09/2016 – present |
16/11/2021
appointed
19/06/2020
appointed
01/09/2016
appointed