# Claude Siegenthaler de Boer

> 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/claude-siegenthaler-de-boer/91684

## Registry facts

- Residence: Zürich
- Nationality: CH
- Status: active

## Mandates (15)

- HEFTI. HESS. MARTIGNONI. Basel AG (CHE-303.417.303) — member of the board — joint signing authority (any two to sign) (company no longer active)
- HEFTI. HESS. MARTIGNONI. Holding AG (CHE-404.574.957) — member of the board — joint signing authority (any two to sign)
- Building Information Technology AG (CHE-379.771.518) — member of the board — individual signing authority
- HEFTI. HESS. MARTIGNONI. 4U AG (CHE-396.727.263) — member of the board — joint signing authority (any two to sign)
- HEFTI. HESS. MARTIGNONI. Bern AG (CHE-113.710.554) — member of the board — joint signing authority (any two to sign)
- HEFTI. HESS. MARTIGNONI. St. Gallen AG (CHE-295.431.730) — member of the board — joint signing authority (any two to sign)
- HEFTI. HESS. MARTIGNONI. Aarau AG (CHE-108.095.594) — member of the board — joint signing authority (any two to sign)
- HEFTI. HESS. MARTIGNONI. Zürich AG (CHE-105.331.108) — member of the board — joint signing authority (any two to sign)
- MOOR ELEKTROPLAN AG (CHE-106.476.181) — member of the board — joint signing authority (any two to sign)
- Authentic Development GmbH (CHE-396.001.189) — LLC member and member of the executive board — individual signing authority
- HEFTI. HESS. MARTIGNONI. Zug AG (CHE-107.553.476) — member of the board — joint signing authority (any two to sign)
- Ernst Schweizer AG (CHE-101.365.261) — chairperson of the board — joint signing authority (any two to sign)
- Rflect AG (CHE-402.686.433) — member of the board — joint signing authority (any two to sign)
- Educa Swiss Schweizerische Stiftung für Bildungsförderung und -finanzierung (CHE-493.606.942) — chairperson of the foundation board — joint signing authority (any two to sign)
- PCP Impulse AG (CHE-318.557.806) — member of the board — joint signing authority (any two to sign)

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Machine-readable variant of https://graph.swiss/people/claude-siegenthaler-de-boer/91684: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt