Complaints Email Address
You can contact American Express UK for complaints through their customer support and official complaints process. American Express UK mainly handles complaints via phone, secure online chat, or written correspondence rather than a dedicated public complaints email address. Their official complaints procedure page also explains escalation options through the Financial Ombudsman Service.
For escalations and complaint-related communication, some publicly referenced email contacts include:
- ukregulatoryaffairs@aexp.com (commonly referenced for regulatory or complaint escalation matters)
- Financial Ombudsman Service Email: complaint.info@financial-ombudsman.org.uk
Official Complaints Procedure:
American Express UK Complaints Page
CEO Email Address
American Express officially lists Stephen J. Squeri as Chairman and CEO on its investor relations website.
The CEO of American Express is Stephen J. Squeri. Publicly referenced executive escalation email addresses associated with him include:
- steve.squeri@aexp.com
- chairmansoffice@aexp.com (Chairman’s Office escalation contact)
Email Format
The common email format used by American Express employees is:
- firstname.lastname@aexp.com
Example: john.smith@aexp.com
Other occasionally used formats include:
- firstinitiallastname@aexp.com
Example: jsmith@aexp.com - firstname_lastname@aexp.com
Example: john_smith@aexp.com
The domain used by American Express is @aexp.com.
Head Office Address and HQ Phone Number
The UK head office of American Express UK is located at:
Belgrave House
76 Buckingham Palace Road
London, SW1W 9AX
United Kingdom
The main American Express UK customer service and head office contact numbers include:
-
- 0800 917 8047 (within the UK)
- +44 (0)1273 696933 (from overseas) (American Express)
American Express also operates a major UK service centre at 1 John Street, Brighton, East Sussex, BN88 1NH.
Customer Service Number/Customer Service Email ID
You can contact American Express UK customer service through the following official support numbers:
- 0800 917 8047 (UK Customer Service – available 24/7)
- +44 (0)1273 696933 (from outside the UK) (American Express)
American Express UK does not publicly provide a dedicated general customer service email address for cardholders. Instead, customers are encouraged to use:
- Secure Message Centre via online account
- Live Chat support
- Phone support through the official Contact Us page (American Express)
For written complaints or escalation, publicly referenced email contacts include:
- ukregulatoryaffairs@aexp.com
- chairmansoffice@aexp.com (American Express)
About American Express UK

American Express UK is one of the leading financial services companies in the United Kingdom, offering a wide range of credit cards, charge cards, travel services, business payment solutions, and rewards programs. Known for its premium customer service and secure payment technology, American Express UK provides tailored financial products for individuals, small businesses, and corporate customers. Many UK consumers choose American Express for benefits such as cashback rewards, travel insurance, airport lounge access, and Membership Rewards points.
With a strong reputation in the UK banking and finance sector, American Express UK continues to expand its digital banking services and contactless payment options. The company focuses on delivering flexible spending solutions, fraud protection, and exclusive lifestyle benefits to cardmembers across the UK. Whether customers are searching for premium credit cards, business expense management tools, or travel rewards programs, American Express UK remains a trusted and globally recognised financial brand.