American Express office and telephone numbers

How do I complain about American Express customer service

Resolver is a complaint resolution tool that solves problems that UK consumers connect directly with customer providers who can resolve their complaints.

By providing you with all the tools and contact details necessary to file and complain about you, we give you strong control over your concerns.

Contact details
Head Office Address
Belgrave House
76 Buckingham Palace Road
Phone number: 01273 693555
Please check with your telephone provider if you are not sure how much the call costs.