# Leo 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/leo-keller/670269

## Registry facts

- Residence: Herisau
- Nationality: CH
- Status: active

## Mandates (3)

- Markt im Engelhof GmbH in Liquidation (CHE-108.571.376) — LLC member — without signing authority (company no longer active)
- Keller + Marquart Immo AG (CHE-107.875.810) — chairperson of the board — individual signing authority
- Engelhof Immobilien Treuhand AG (CHE-102.044.457) — chairperson of the board — joint signing authority (any two to sign)

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Machine-readable variant of https://graph.swiss/people/leo-keller/670269: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt