# Christian 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/christian-keller/751855

## Registry facts

- Residence: Marthalen
- Nationality: DE
- Status: active

## Mandates (7)

- BRUSA HyPower AG (CHE-443.176.106) — limited joint signing authority (any two to sign)
- CMK Consulting GmbH in Liq. (CHE-101.921.400) — LLC member — without signing authority (company no longer active)
- ATLAS Immobilien & Handels GmbH (CHE-107.906.238) — chairperson of the management board — individual signing authority
- Pro Vitam Holding AG (CHE-143.697.496) — member of the board — individual signing authority
- ATLAS NATURSTEINE AG (CHE-109.893.411) — general manager + member of the board — limited signing authority (individual)
- Green Solutions GmbH (CHE-115.298.151) — member of the executive board — individual signing authority
- Schwaninger + Keller GmbH (CHE-115.835.310) — president of the management — individual signing authority

---

Machine-readable variant of https://graph.swiss/people/christian-keller/751855: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt