# Petra Sieber

> 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/petra-sieber/590072

## Registry facts

- Residence: Horw
- Nationality: CH
- Status: active

## Mandates (3)

- Sipema Holding AG (CHE-363.821.398) — member — individual signing authority
- Sima Investment AG (CHE-378.948.760) — member — individual signing authority
- Lifa Verlag AG in Liquidation (CHE-101.825.995) — president + liquidator — individual signing authority (company no longer active)

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Machine-readable variant of https://graph.swiss/people/petra-sieber/590072: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt