# Nadine Keller

> 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/nadine-keller/3185759

## Registry facts

- Residence: Aarau
- Nationality: CH
- Status: active

## Mandates (3)

- RingSTR Immo AG (CHE-171.726.499) — member of the board — individual signing authority
- 4insiders Baden AG (CHE-109.516.948) — general manager — joint signing authority (any two to sign)
- 4insiders Heimberg AG (CHE-105.073.716) — general manager — joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/nadine-keller/3185759: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt