BMO (United States)
BMO Bank, N.A. (colloquially BMO; ) is an American national bank that is headquartered in Chicago, Illinois. It is the U.S. subsidiary of the multinational investment bank and financial services company Bank of Montreal, which owns it through the holding company BMO Financial Corporation (formerly Bankmont Financial Corporation, then Harris Financial Corporation). , it was the 8th largest bank in the United States by total assets. The bank was founded in 1882 as N.W. Harris & Co. before changing its name to Harris Trust and Savings Bank in 1907, and then Harris Bank in 1972. After the Bank of Montreal acquired the company in 1984, it eventually became branded as BMO Harris Bank by 2011. Under the Bank of Montreal's ownership, the company increased its presence in the U.S. through a series of acquisitions of other banks, such as Suburban Bancorp in 1994, Marshall & Ilsley in 2011, and Bank of the West in 2023. Coinciding with the Bank of the West merger, BMO announced that it would retire the "BMO Harris Bank" brand in favor of the global "BMO" brand of its Canadian parent company. History In 1882, Norman Wait Harris established N.W. Harris & Co., a Chicago-based municipal