| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | Huwiler Solutions GmbH in Liquidation | 🇨🇭Svizzera | Liquidation | 04/07/2025 – present |
| Officer | Frei Infra AG | 🇨🇭Svizzera | Active | 04/10/2023 – present |
| Officer | Baumatec AG in Liquidation | 🇨🇭Svizzera | Liquidation | 01/05/2023 – present |
| Officer | L. Gasser & Co AG | 🇨🇭Svizzera | Active | 24/11/2022 – present |
| Officer | Leuthard Fassaden AG | 🇨🇭Svizzera | Dissolved | 01/02/2021 – present |
| Officer | Leuthard Bau AG | 🇨🇭Svizzera | Active | 01/02/2021 – present |
| Officer | STRABAG AG | 🇨🇭Svizzera | Active | 15/07/2016 – present |
| Officer | Beton AG Bürglen | 🇨🇭Svizzera | Active | 10/09/2018 – present |
| Officer | KIAG AG | 🇨🇭Svizzera | Dissolved | 27/10/2017 – present |
| Officer | BAZ Belag AG Zentralschweiz | 🇨🇭Svizzera | Active | 28/12/2016 – present |
| Officer | Belag AG Volketswil | 🇨🇭Svizzera | Active | 03/07/2020 – present |
| Officer | BHZ Baustoff Holding AG | 🇨🇭Svizzera | Active | 16/07/2020 – present |
| Officer | Reproad Ost AG | 🇨🇭Svizzera | Active | 10/03/2021 – present |
| Officer | BAB Belag AG Birmensdorf | 🇨🇭Svizzera | Active | 03/07/2020 – present |
04/07/2025
appointed
04/10/2023
appointed
28/12/2016
appointed