Customer Service Terminals

Customer Care

We are happy to answer your commercial questions concerning your terminal service contract, the statements or girocard transactions. We are also happy for you to send us any suggestions. Simply fill out the adjacent form and send it back to us.

c/o Worldline Payment Services (Germany) S.A.
Franklinstr. 61 - 63
60486 Frankfurt am Main
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Complaint to SIX Payment Services

Our primary focus is the satisfaction of our customers. If we didn’t fulfill your expectations, please bring your complaint to our attention.
A good way to submit your complaint is the contact form above.

Alternatively, a complaint can be resolved at any time with the assistance of an external party in accordance with the contact details below.

Customer complaints

You can contact us with your complaint through various channels.