Global Headquarter

North America and Canada

SIENN AG (Head Office)
Industriestrasse 22
6060 Sarnen (Switserland)
t. +41 41 666 56 99

North America and Canada
100 Mill Plain Road, 4th floor 401
Danbury, CT 06811
t. +1 203 300 5514

Europe

 

DACH
Essenerstrasse 3
Oberhausen (Germany)
t. +49 208 40 95 88 46047

 

Benelux
De Grens 35e
6598 DK Heijen (the Netherlands)
t. +31 24 696 25 26

Eastern Europe
ul. Krakowska 119
50-428 Wrocław (Poland)
t. +48 71 717 32 02