Information on transactions

If you have any questions regarding transactions, we recommend you log in to the "one" customer portal. You will find plenty of information on the individual transactions under Transactions.

Disputing a transaction
Surcharge for card payments
Go to FAQs

If you are unable to find what you need, please contact our customer service using the form below.
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Please note that e-mail communication is not guaranteed to be confidential or secure. It is therefore possible for third parties to gain unauthorized access to communications between you and Viseca Card Services SA ("Viseca") despite all the security measures implemented by Viseca. More information is available under Security. Viseca expressly rejects any liability or responsibility for losses or violations of confidentiality. If you receive this message in error, please notify us by e-mail and delete the message and any attachments. All unauthorized use or circulation of this information is prohibited.

Customer service

Monday to Friday from 8 a.m. to 5.30 p.m.

Tel.: +41 58 958 84 00
Fax: +41 58 958 88 85

Corporate card sales

Monday to Friday from 8 a.m. to 5.30 p.m.

Tel.: +41 58 958 84 01
Fax: +41 58 958 84 06

Blocking service (24 hours)

Tel.: +41 58 958 83 83
Fax: +41 58 958 83 30