Julien Widmayer

citizen of Rolle, Etagnières

Commercial register

Convivia Studio Sàrl

Chair of the executive board · joint signature by two · Romanel-sur-Lausanne

since Oct 27, 2026
Rénov-Tech Sàrl

Managing director · sole signature · Etagnières

since Oct 31, 2022
HBLE Sàrl

Managing director · avec 200 parts de CHF 100 · sole signature · Etagnières

since Nov 13, 2020
H&B agencement Sàrl en liquidation

Managing director · sole signature · Saint-Barthélemy (VD)

until Jan 16, 2024