# Michel Ostertag

> 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/michel-ostertag/2820192

## Registry facts

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

## Mandates (4)

- Electro-Cal Boiler AG (CHE-106.078.544) — Kollektivprokura mit einem Verwaltungsrat
- Ostertag Sanitär (CHE-108.595.891) — owner — individual signing authority (company no longer active)
- Michel Ostertag GmbH (CHE-116.099.482) — LLC member and member of the executive board — individual signing authority
- Cembramo Advisors GmbH (CHE-467.444.585) — individual signing authority

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Machine-readable variant of https://graph.swiss/people/michel-ostertag/2820192: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt