MR
Martina Ritzmann
Wilchingen
Key Person Risk Indicator
This person currently holds 11 active roles across different companies. Concentration of board-level responsibility in a single individual may represent governance risk.
Companies
11
11 total roles
Active Roles
11
Currently active
Longest Tenure
—
Across all roles
Role History
| Company | Role | Category | Since | Until | Status |
|---|---|---|---|---|---|
| JMS RISI AG Tief- und Spezialtiefbau CHE-388.196.524 Active | Prokuristin | Signatory | — | — | Active |
| Josal Holding AG CHE-103.154.539 Active | Unknown | Unknown | — | — | Active |
| JMS RISI AG Tief- und Spezialtiefbau CHE-388.196.524 Active | Unknown | Unknown | — | — | Active |
| Schmucki Kies + Tiefbau AG CHE-107.289.871 Active | Unknown | Unknown | — | — | Active |
| Beton AG Etzel + Linth CHE-105.979.746 Active | Unknown | Unknown | — | — | Active |
| Karl Rüegg Tiefbau und Transport AG CHE-101.265.317 Active | Unknown | Unknown | — | — | Active |
| Johann Müller AG, Kieswerk und Baggereiunternehmung CHE-105.812.655 Active | Unknown | Unknown | — | — | Active |
| Kustobar AG CHE-101.461.752 Active | Unknown | Unknown | — | — | Active |
| Landolt Transport AG CHE-109.828.997 Active | Unknown | Unknown | — | — | Active |
| Fürsorgestiftung der Firma Johann Müller AG, Kieswerk und Baggereiunternehmung CHE-109.728.284 Active | Board Member | Board | — | — | Active |
| Karl Rüegg Tiefbau und Transport AG CHE-101.265.317 Active | Unknown | Unknown | — | — | Active |