# Viviane 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/viviane-keller/122415

## Registry facts

- Residence: Montreux
- Nationality: CH
- Status: active

## Mandates (3)

- Marti Holding AG (CHE-107.905.960) — limited signing authority (individual)
- Marti Contractors Ltd. (CHE-107.905.954) — limited joint signing authority (any two to sign) (company no longer active)
- Marti Tunnel AG (CHE-103.588.122) — limited joint signing authority (any two to sign)

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Machine-readable variant of https://graph.swiss/people/viviane-keller/122415: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt