Commercial service

Tel: 02 727 70 00
Monday to Saturday: 8.30-17.00
Contact form 

Customer service merchants

Do you have questions concerning your accounting, the working of your payment terminal or the methods of payment that you accept? For all of your questions, you can contact one of the following telephone numbers:

Customer service for commercial and administrative questions    
02 727 88 99
Monday to Saturday: 8.00-20.00 - Sunday and holidays: 8.00-16.00 

Customer service for technical assistance Banksys terminals
02 727 88 33
Monday to Saturday: 8.00-20.00 - Sunday and holidays: 8.00-16.00

Customer service for transactions credit cards, Bancontact/Mister Cash and Proton
02 727 88 55
Monday to Saturday: 8.00-20.00 - Sunday and holidays: 8.00-16.00

Authorisation centre Visa/MasterCard                                     
02 205 80 80
7/7 - 24/24 

Fraud
Do not take any risk. If you remark something suspicious, call the telephone number below immediately. One of our collaborators will ask for your affiliation number, the number and expiry date of the client's card and the amount of the purchase. Afterwards you only have to mention 'Code 10'.
02 205 85 65
7/7 - 24/24 

Customer service cardholders - credit cards only

Tel: 02 205 85 85
Fax: 02 205 85 88
Monday to Friday: 8.30-18.00 - Saturday: 9.00-17.00
www.mijnkaart.be (Dutch) www.macarte (French)

You can contact our customer service for:

• information concerning the expenditure statement of your credit card
• possible contestation of transactions on the expenditure statement of your credit card. For this purpose, use the contestation forms that you will find here.

The issuer of your card is responsible for:

• the request of a card
• all modifications of data (address, personal data, ...)
• modification of the PIN code
• replacement of the card
• modification of the bank account number
• information concerning additional insurances
• modification of the spending limit

For information concerning Bancontact/Mister Cash, Proton, fuel cards and other cards, please contact the issuer of the card. 

On the websites mijnkaart.be and macarte.be you find more contact information in Dutch and in French

Customer service Epargnez&Cueillez

Tel: 0900 10 703 (€ 0,45/minute)
Fax: 02 756 09 92
Contact form
Website: www.epargnezetcueillez.be
Monday to Friday: 9.00-18.00

Card Stop

Tel: +32 70 344 344
7/7 - 24/24

Press office

Tel: +32 2 727 68 22
Contact form

Human resources

Contact form

Our address

Atos Worldline SA
Chaussée de Haecht 1442
1130 Brussels

Tel: +32 2 727 61 11

Click here for our access map.