# Sonja Hadorn

> 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-hadorn/3464248

## Registry facts

- Residence: Reitnau
- Nationality: CH
- Status: active

## Mandates (4)

- Hadorn Hauswartung GmbH (CHE-115.891.455) — member and chairperson of the management board — joint signing authority (any two to sign)
- Eden Treuhand AG (CHE-158.524.462) — manager — individual signing authority
- AVANTA TREUHAND AG (CHE-112.002.443) — Authorized signatory — limited joint signing authority (any two to sign) (company no longer active)
- KBT Treuhand AG Zug (CHE-484.412.037) — Authorized signatory — limited joint signing authority (any two to sign) (company no longer active)

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Machine-readable variant of https://graph.swiss/people/sonja-hadorn/3464248: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt