# Stefan Frauenfelder

> 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/stefan-frauenfelder/2502272

## Registry facts

- Residence: Winterthur
- Nationality: CH
- Status: active

## Mandates (2)

- Frauenfelder Engineering (CHE-397.339.509) — owner — individual signing authority
- Frauenfelder Engineering (CHE-305.070.995) — owner — individual signing authority (company no longer active)

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Machine-readable variant of https://graph.swiss/people/stefan-frauenfelder/2502272: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt