# Stefan 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/stefan-keller/1394618

## Registry facts

- Residence: Kleinandelfingen
- Nationality: CH
- Status: active

## Mandates (3)

- ValTrade Keller (CHE-153.988.819) — owner — individual signing authority
- BEREUTER BAU AG (CHE-115.205.511) — general manager — joint signing authority (any two to sign)
- Bolli Bau AG (CHE-489.732.420) — limited joint signing authority (any two to sign)

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Machine-readable variant of https://graph.swiss/people/stefan-keller/1394618: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt