Willy Gonçalves Siqueira Costa
citizen of Brésil, Monthey
Commercial register
Chair of the board of directors · sole signature · Montreux
since Aug 31, 2026Chair of the executive board · sole signature · Montreux
since Oct 17, 2022Chair of the executive board · joint signature by two · Monthey
since Oct 21, 2015Chair of the executive board · avec 100 parts de CHF 100 · sole signature · Montreux
Chair of the executive board · avec 10 parts de CHF 1'000 · joint signature by two · Le Mont-sur-Lausanne
until Feb 13, 2026