Riza Kosar

nationality: Germany, Diepoldsau

Commercial register

GB Mold GmbH

Managing director · sole signature · Baar

since Dec 9, 2025
GB Marble GmbH

Managing director · sole signature · Baar

since Dec 8, 2025
GB DEMIR CELIK INSAAT ENERJI SANAYI TICARET ANONIM SIRKETI, Pendik (TR), Zweigniederlassung Zürich

Leiter der Zweigniederlassung · sole signature · Zürich

until Feb 11, 2019