QSC AG: Communication services for SMEs – simple, meaningful, efficient.

 

Contact options for business customers

E-Mail contact

General requests:
info@qsc.de

Technical requests:
business-support@qsc.de

Questions concerning invoicing:
business-rechnung@qsc.de

Questions concerning your order:
info@qsc.de

Infoline

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

Residential customers

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

Contact

GENERAL CONTACT OPTIONS

Contact form

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

Contact

Media contact

Our Media Team provides information for journalists and media representatives.

Contact (german)

Investor Relations contact

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

Contact