William Spiess

citizen of Eiken, Russikon

Commercial register

Legacy Performance Spiess

Owner · sole signature · Zürich

since Aug 27, 2026
IT-IS Consultancy Spiess

Owner · sole signature · Zürich

since Feb 2, 2021
Koster Engineering AG in Liquidation

Member of the board of directors · joint signature by two · Jona

until Apr 23, 2004

Member of the board of directors · joint signature by two

until Mar 17, 1998