Contact options for business customers

E-Mail contact

General requests:
info@qsc.de

Questions concerning invoicing:
business-rechnung@qsc.de

Questions concerning your order:
info@qsc.de

Call us (free of charge): 0800 77 22 375 (national)

Questions concerning your invoice or technical problems with our Q-DSL home products.

We will call you back at the time of your choice:

Please use our online contact form to get in touch with us.

Our Media Team provides information for journalists and media representatives.

Contact (german)

The QSC Investor Relations team is looking forward to your questions and comments.

Information for the reporting of network abuse can be found here.

Do you have any questions?
Call us on our national business customer info line (free of charge):

0800 77 22 375

QSC AG - Zentrale Köln
Mathias-Brüggen-Str. 55
D-50829 Köln

Fon: +49 (0) 221-6698-000
Fax: +49 (0) 221-6698-009

QSC AG supports

Alle Preise verstehen sich zzgl. der gesetzlichen MwSt.