The Bank of Montrea or BMO Financial Group, is one of the Big Five banks in Canada. The Bank of Montreal officially opened its doors for business on November 3, 1817. It was founded by John Richardson and eight merchants in a rented house in Montreal, Quebec. On June 23, 1817 the Articles of Association were signed, making it Canada's oldest bank. BMO's Institution Number (or bank number) is 001. In Canada, the bank operates as BMO Bank of Montreal and has more than 900 branches, serving over seven million customers. The company also has substantial operations in the Chicago area and elsewhere in the United States, where it operates as BMO Harris Bank.
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