Visa Inc. ( or ) is an American
multinational financial services corporation headquartered in
Foster City,
California, United States. It facilitates
electronic funds transfers throughout the world, most commonly through Visa-branded
credit cards and
debit cards. Visa does not issue cards, extend credit or set rates and fees for consumers; rather, Visa provides financial institutions with Visa-branded payment products that they then use to offer credit, debit, prepaid and cash-access programs to their customers. In 2008, according to The Nilson Report, Visa held a 38.3%
market share of the credit card marketplace and 60.7% of the debit card marketplace in the United States. In 2009, Visa’s global network (known as VisaNet) processed 62 billion transactions with a total volume of $4.4 trillion.