# Markus Portmann

> 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/markus-portmann/2275366

## Registry facts

- Residence: Cham
- Nationality: CH
- Status: active

## Mandates (10)

- Bright Advisory GmbH (CHE-109.042.347) — chairperson of the management board — joint signing authority (any two to sign)
- G. Kull AG (CHE-105.954.657) — limited joint signing authority (any two to sign)
- Rüesch Solartechnik AG (CHE-106.915.890) — member of the board — joint signing authority (any two to sign) (company no longer active)
- Büro Markus Portmann BMP Sanitär und Energie (CHE-106.582.400) — owner — individual signing authority (company no longer active)
- Solarwerk AG Dottikon in Liquidation (CHE-109.068.878) — member of the board — joint signing authority (any two to sign) (company no longer active)
- e4plus AG (CHE-161.790.604) — member — individual signing authority
- Swissolar (CHE-113.452.116) — member of the board — without signing authority
- Systegra AG (CHE-102.077.416) — member of the board — joint signing authority (any two to sign) (company no longer active)
- Neckerplast AG in Liquidation (CHE-105.905.653) — limited joint signing authority (any two to sign) (company no longer active)
- Swiss Household Services AG (CHE-113.310.404) — limited joint signing authority (any two to sign)

---

Machine-readable variant of https://graph.swiss/people/markus-portmann/2275366: registry facts only.
Site overview for agents: https://graph.swiss/llms.txt