All important contact information at a glance:

Customer service

The service number for general enquiries about your credit card and questions about transactions.

  • +41 44 659 61 86

24h HELP line

The emergency number to block cards and for notifying instances of misuse.

  • +41 44 659 69 03

Contact by e-mail or SMS

Make sure that we can contact you by SMS or e-mail.

About Swisscard AECS GmbH

As the issuer of American Express, Mastercard und Visa credit cards, Swisscard AECS GmbH assumes responsibility for product development and management, sales and marketing, customer service, risk management, card processing and the development/management of additional services and customer loyalty programs for these credit cards.

Our address

Swisscard AECS GmbH
Neugasse 18
P.O. Box
CH-8810 Horgen

Contact form

Please do not send us any of your credit card numbers or any information or orders to do with your card account!

Ms Mr

Please fill in all fields marked with a *.

With electronic exchange of information, any information will be transported via an open network accessible to anyone, and – even with appropriate data encryption – can possibly also be viewed or manipulated by third parties. Please take note of our terms and conditions regarding Internet utilisation, which also point out information about viruses and other detrimental software (“malware”) as well as the possibility of targeted hack attacks. For your own protection we will definitely return such information to you telephonically or in writing and not via e-mail, even if you nevertheless authorise us to the latter through disclosure of your e-mail address.