# Sonja Portmann-Steinmann

> 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-portmann-steinmann/3750150

## Registry facts

- Residence: Aeugst am Albis
- Nationality: CH
- Status: active

## Mandates (1)

- Renate Steinmann Visuelles Design (CHE-108.425.160) — partner — individual signing authority

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Machine-readable variant of https://graph.swiss/people/sonja-portmann-steinmann/3750150: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt