American Express Travel
76 Buckingham Palace Road
American Express Travel Related Services Company, Inc., is a wholly owned subsidiary of the American Express Company—a diversified worldwide travel and financial services company founded in 1850. It is a leader in charge and credit cards, Travellers Cheques, travel, financial planning, investment products, insurance, and international banking. American Express and Concur work together to deliver solutions that work seamlessly to satisfy several hundred joint customers.