The bank officially began conducting business on 3 November 1817, making it Canada's oldest bank. It underwent a name change to its current in 1822. In Canada, the bank operates as BMO Bank of Montreal and has more than 900 branches, serving over seven million customers. In the United States, it does business as BMO Financial Group, where it has substantial operations in the Chicago area and elsewhere in the country, where it operates BMO Harris Bank. BMO Capital Markets is BMO's investment and corporate banking division, while the wealth management division is branded as BMO Nesbitt Burns. The company is ranked at number 131 on the Forbes Global 2000 list.

In addition, BMO'S dividend payment history is recorded as one of the longest in the world. On December 12, 2021 Bank of Montreal announced the strategic acquisition of Bank of the West from BNP Paribas for US$16.3 billion.

该银行于1817年11月3日正式开始营业，使其成为加拿大最古老的银行。它在1822年改名为现在的名字。在加拿大，该银行以蒙特利尔银行（BMO Bank of Montreal）的名义运营，有900多个分支机构，为700多万客户提供服务。在美国，它以BMO金融集团的名义开展业务，在芝加哥地区有大量业务，在美国其他地方则经营BMO Harris银行。BMO资本市场是BMO的投资和企业银行部门，而财富管理部门的品牌是BMO Nesbitt Burns。该公司在福布斯全球2000强名单中排名第131位。

此外，BMO的股息支付历史被记录为世界上最长的之一。2021年12月12日，蒙特利尔银行宣布以163亿美元从法国巴黎银行战略收购西部银行。

官方网站：https://www.bmo.com/main/personal