# Michael Winkenbach

> 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/michael-winkenbach/3109325

## Registry facts

- Residence: Basel
- Nationality: CH
- Status: active

## Mandates (5)

- Keller AG (CHE-102.543.619) — manager — joint signing authority (any two to sign)
- Keller Swiss Group AG (CHE-113.296.098) — manager — joint signing authority (any two to sign)
- Keller Schweiz Holding AG (CHE-104.823.604) — manager — joint signing authority (any two to sign)
- Hofmann AG Zürich (CHE-101.341.071) — Mitglied der Geschäftsleitung (CFO) — joint signing authority (any two to sign)
- Zeltner Destillerie AG in Liquidation (CHE-174.942.384) — member of the board — joint signing authority (any two to sign) (company no longer active)

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Machine-readable variant of https://graph.swiss/people/michael-winkenbach/3109325: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt