Thank you for choosing GBT for your business travel needs.

If you’re a business traveler and need assistance, please call the number on your itinerary email.
If you’re a American Express GBT Mobile App user, you can find your Trip ID on your itinerary card.
If you’re a  American Express GBT travel program manager, please contact your client manager.
If you’re inquiring about your American Express card, please call the number on the back of your card.