25 Biggest Financial Firms in the World

3. Mastercard Incorporated (NYSE:MA)

Market Cap as of August 11: $421.99 billion

Being one of the largest financial companies in the world with a market value of $421.99 billion, Mastercard Incorporated (NYSE:MA) offers payment-related products and services, including transaction processing, across the United States and internationally. It uses the MasterCard, Maestro, and Cirrus brands to provide payment solutions and services. Moreover, MasterCard Incorporated (NYSE:MA) is enhancing fraud detection and platform security with artificial intelligence.