# Sonja Keller

> 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-keller/3759658

## Registry facts

- Residence: Trachslau
- Nationality: CH
- Status: active

## Mandates (2)

- schreibkeller GmbH in Liquidation (CHE-372.605.735) — Gesellschafterin, Geschäftsführerin und Liquidatorin — individual signing authority (company no longer active)
- Boom AG, St. Moritz (CHE-107.050.548) — manager — individual signing authority

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Machine-readable variant of https://graph.swiss/people/sonja-keller/3759658: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt