# Sonja Helfenstein

> 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/sonja-helfenstein/1565383

## Registry facts

- Residence: Richterswil
- Nationality: CH
- Status: active

## Mandates (4)

- Sonja Helfenstein HR Consulting (CHE-490.585.918) — owner — individual signing authority
- Landis+Gyr AG (CHE-108.553.639) — authorised to sign — joint signing authority (any two to sign)
- Gate Gourmet Switzerland GmbH (CHE-109.801.828) — limited joint signing authority (any two to sign)
- Personalvorsorge Gate Gourmet Switzerland (CHE-109.932.695) — member of the foundation board — joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/sonja-helfenstein/1565383: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt