Change of bank account

Please fill in the following form so that we may change your bank account number.

In just one click, thanks to your Extranet

Change your bank details for payment and refund directly online, from your computer or smartphone.

Go to GMnet or GMapp

New bank account number (IBAN) *

Name and first name of bank account holder *

Valid from *

Client No.

Title

Name *

First name *

Date of birth *

Postcode and town *

Telephone *

Email address *

Does the request apply to other family members?

Message

Cancel

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