HSBC Bank USA, National Association, an American subsidiary of the British banking group HSBC, is a bank with its operational head office in New York City and its nominal head office in McLean, Virginia. HSBC Bank USA, N.A. is a national bank chartered under the National Bank Act, and thus is regulated by the Office of the Comptroller of the Currency (OCC), a part of the U.S. Department of the Treasury. The company has 22 branch locations.

HSBC Holdings plc is a British universal bank and financial services group headquartered in London, England, with historical and business links to East Asia and a multinational footprint. It is the largest Europe-based bank by total assets, ahead of BNP Paribas, with US$2.919 trillion as of December 2023. In 2021, HSBC had $10.8 trillion in assets under custody (AUC) and $4.9 trillion in assets under administration (AUA).