# Helga Mertens

> 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/helga-mertens/1189631

## Registry facts

- Residence: Zürich
- Nationality: DE
- Status: active

## Mandates (4)

- Diethelm Holding AG (CHE-102.823.674) — limited joint signing authority (any two to sign) (company no longer active)
- Diethelm Immobilien AG (CHE-100.150.597) — limited signing authority (individual) (company no longer active)
- Diethelm & Co AG (CHE-105.781.144) — limited joint signing authority (any two to sign)
- Diethelm Keller Management AG (CHE-109.041.796) — limited joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/helga-mertens/1189631: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt