EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in Registration Statement Nos. 033-53801 and 333-281038 on Form S-8 of American Express Company of our report dated June 18, 2025, appearing in the Annual Report on Form 11-K of American Express Retirement Savings Plan for the year ended December 31, 2024.

/s/ McConnell & Jones LLP

McConnell & Jones LLP

Houston, Texas

June 18, 2025