Thank you, for wanting to contact us

Do you have feedback or want to ask a question? You can reach us via our main Swiss telephone number, the numbers of our German offices, via e-mail or the contact form. We also welcome you in our offices. Here you will find all our addresses.

How can we help?

Would you like to visit us or have a question for BSI? We look forward to your contact.

Contact form

Contact form


BSI Business Systems Integration AG
Täfernweg 1
CH-5405 Baden

Phone +41 56 484 19 20
Fax +41 56 484 19 30
Google Maps


BSI Business Systems Integration Deutschland GmbH
Altheimer Eck 2
DE-80331 München

Phone +49 89 189 170 900
Fax +49 89 189 170 910
Google Maps

New Jersey

BSI Business Systems Integration Inc.
115 Route 46, Building F Mountain Lakes,
NJ 07046, USA

Phone: +1 973 261 5913