The three largest banks in Canada are Bank of Montreal, Scotiabank, and Canadian Imperial Bank of Commerce.

1. Bank of Montreal.

The Bank of Montreal was founded in 1817 and is one of the five largest banks in Canada. Currently, Bank of Montreal has 45,234 employees and serves more than 12 million customers. It provides retail banking, wealth management and investment banking products and services. As of 2016, the bank's total revenue was US$15.574 billion and total assets were US$548 billion.

2. Scotiabank.

The Bank of Nova Scotia was founded in 1832 and is headquartered in Toronto, Ontario, Canada. The bank is involved in personal and commercial banking, wealth management, corporate and investment banking. Currently, Scotiabank has approximately 90,000 employees serving 23 million customers in 55 countries. In 2016, the bank's total revenue was US$20.76 billion and total assets were US$714.4 billion.

3. Canadian Imperial Bank of Commerce.

Canadian Imperial Bank of Commerce was founded in 1867 and is headquartered in Toronto, Canada. The bank operates through 3 strategic business units: Retail and Commercial Banking, Wealth Management and Capital Markets. Canadian Imperial Bank of Commerce is the world's third-largest bank, according to Bloomberg Markets magazine.

Bank of Montreal's business operations:

1. Providing banking services to individuals: Bank of Montreal mainly provides installment loans, mortgages and other loans to individual consumers in Canada and the United States. Provides deposits, credit cards and other services, and provides guarantees to private investors.

The bank is also Canada's main financial institution responsible for direct taxation. In order to improve operating efficiency, the bank has established a banking automatic machine network in North America, and customers can handle various accounts through customer terminals.

2. Provide various banking services to enterprises: Bank of Montreal provides deposits and loans to Canadian enterprises. Provides foreign exchange and cash management. The bank provides various services such as payroll and consulting for enterprises. The bank also provides various short-term and long-term loans and public fund management services to schools, hospitals and other public service institutions.

3. Provide agricultural financial services.