American Express is a global services company, providing customers with access to products, insights and experiences that enrich lives and build business success. American Express Company, also known as AmEx, is an American multinational financial services corporation headquartered in Three World Financial Center, Manhattan, New York City, New York, United States. Founded in 1850, it is one of the 30 components of the Dow Jones Industrial Average. The company is best known for its credit card, charge card, and traveler’s cheque businesses.