Visa

Visa operates a global digital payments network, processing transactions between consumers, merchants, financial institutions and government entities in more than 200 countries and territories. In the past year the network handled nearly 200 billion transactions and over $30 trillion in total payment volume, serving more than 14,000 financial institution clients and millions of merchants. The company is publicly traded on the NYSE under the ticker V.

Its technical work spans payment network technology, transaction processing, security technology and fraud prevention, applied at a scale of billions of transactions annually. Engineering priorities include the reliability and security of the underlying network, together with advanced fraud prevention and security technologies designed to protect consumers and businesses as commerce moves increasingly online.

The product portfolio comprises credit, debit, prepaid and commercial payment products, alongside the security and fraud prevention capabilities that support them. Visa states its purpose as uplifting everyone, everywhere by being the best way to pay and be paid, with a mission of connecting people to the global economy.