# Heinz Wiedmer

> Swiss commercial-register person record from Swiss Graph (graph.swiss),
> sourced from the Swiss Official Gazette of Commerce (SHAB/SOGC).
> Canonical profile: https://graph.swiss/people/heinz-wiedmer/2270017

## Registry facts

- Residence: Ittigen
- Nationality: CH
- Status: active

## Mandates (8)

- Gravière de Châtillon S.A. (CHE-101.273.653) — signature collective à 2
- Béton Centre S.A. (CHE-105.859.786) — signature collective à 2
- Transportbeton AG Kerzers (CHE-105.860.909) — Kollektivprokura zu 2 (company no longer active)
- H.+M. Wiedmer-Portmann Treuhand GmbH in Liquidation (CHE-108.422.894) — LLC member — without signing authority (company no longer active)
- Fritz Sollberger AG (CHE-105.791.562) — joint signing authority (any two to sign) (company no longer active)
- Holzschnitzel und Entsorgungs Bigenthal AG (CHE-101.377.123) — limited joint signing authority (any two to sign)
- SEVA Lotteriegenossenschaft in Liquidation (CHE-102.244.996) — limited joint signing authority (any two to sign) (company no longer active)
- SORTAG AG Entsorgungscenter Bigenthal (CHE-106.460.346) — limited joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/heinz-wiedmer/2270017: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt