# Stephan 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/stephan-keller/732776

## Registry facts

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

## Mandates (3)

- Keller + Loser Architekten GmbH (CHE-385.031.789) — member and chairperson of the management board — individual signing authority
- Rellek Architektur GmbH (CHE-341.567.441) — LLC member and member of the management board — individual signing authority
- 2020 Properties AG (CHE-177.530.486) — chairperson of the board — individual signing authority

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Machine-readable variant of https://graph.swiss/people/stephan-keller/732776: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt