If you're a GBT travel programme manager, please contact your client manager.

If you’re a business traveler and need assistance, please call the number on your itinerary email.
Need to manage your itinerary?  Download the Amex GBT Mobile app from your app store. Find out more here.
If you’re a GBT travel programme manager, please contact your client manager.
If you’re enquiring about your American Express card, please call the number on the back of your card.