In 1828, RBS Citizens Financial Group got its start as a small community bank called the High Street Bank in Providence, Rhode Island. Citizens Financial Group, Inc. is an American bank headquartered in Providence, Rhode Island, which operates in the states of Connecticut, Delaware, Illinois, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island and Vermont.

Citizens is a wholly owned subsidiary of The Royal Bank of Scotland Group, with head office in Edinburgh, Scotland.

Its subsidiaries has more than 1,400 branches, approximately 3,600 ATMs and approximately 18,950 colleagues. It operates its branch network in 12 states and has non-branch retail and commercial offices in more than 30 states. As of 2011, Citizens was the 15th-largest bank in the United States.