# Mario Hollenstein

> 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/mario-hollenstein/3546485

## Registry facts

- Residence: Winterthur
- Nationality: CH
- Status: active

## Mandates (3)

- Mario Hollenstein Architektur GmbH (CHE-313.329.758) — LLC member and member of the management board — individual signing authority
- Annemarie Staub Stiftung (CHE-297.604.705) — member of the foundation board — joint signing authority (any two to sign)
- M. + F. Hollenstein (CHE-108.223.395) — partner — individual signing authority (company no longer active)

---

Machine-readable variant of https://graph.swiss/people/mario-hollenstein/3546485: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt