Sylvie Mastrosimone (nom d'usage Siegenthaler)

citizen of France, Romont (FR)

Commercial register

Société pour la gestion de placements collectifs GEP SA

joint signature by two · Lausanne

since Jan 12, 2026
Etha AG

joint signature by two · Lausanne

since Dec 23, 2025
S.I. Tour d'Entrebois A S.A.

joint signature by two · Lausanne

since Oct 27, 2025
FIR FR SA

joint signature by two · Lausanne

since Oct 8, 2025
FIR GE SA

joint signature by two · Lausanne

since Oct 8, 2025
FIR NE SA

joint signature by two · Lausanne

since Oct 8, 2025
FIR VD SA

joint signature by two · Lausanne

since Oct 8, 2025
FIR VS SA

joint signature by two · Lausanne

since Oct 8, 2025
S.I. La Fin du Craux SA

joint signature by two · Lausanne

since Oct 8, 2025
S.I. Pré du Marché 41 SA

joint signature by two · Lausanne

since Oct 8, 2025