# Walter Siegenthaler

> 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/walter-siegenthaler/3193813

## Registry facts

- Residence: Rapperswil-Jona
- Nationality: CH
- Status: active

## Mandates (9)

- Walter Siegenthaler (CHE-110.455.006) — owner — individual signing authority (company no longer active)
- Tiara Wohnbau AG (CHE-112.289.109) — member of the board — individual signing authority (company no longer active)
- Kaga-Gastro Sigi W. Siegenthaler (CHE-101.353.016) — owner — individual signing authority (company no longer active)
- First Bau AG (CHE-109.600.247) — member — individual signing authority (company no longer active)
- AT Invest AG in Liquidation (CHE-109.304.004) — member — individual signing authority (company no longer active)
- Lido Bau AG in Liquidation (CHE-109.381.387) — member — individual signing authority (company no longer active)
- Sivisa Finanz AG (CHE-101.606.200) — member of the board — individual signing authority
- IS Wohnbau AG (CHE-112.288.587) — member of the board — individual signing authority
- Wohnbaugenossenschaft Bundespersonal (CHE-101.899.456) — chairperson of the board — joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/walter-siegenthaler/3193813: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt