Bank of China or Bank of China Limited in full, is one of Chinas four state-owned commercial banks. Its businesses cover commercial banking, investment banking and insurance. Members of the group include BOC Hong Kong, BOC International, BOCG Insurance and other financial institutions. The Bank provides a comprehensive range of high-quality financial services to individual and corporate customers as well as financial institutions worldwide. In terms of tier one capital, it ranked 18th among the worlds top 1,000 banks by The Banker magazine in 2005.

The Bank is mainly engaged in commercial banking, including corporate and retail banking, treasury business and financial institutions banking. Corporate banking is built upon credit products, to provide customers with personalized and innovative financial services as well as financing and financial solutions. Retail banking serves the financial needs of the Banks individual customers, focusing on providing them with such services as savings deposit, consumer credit bankcard and wealth management business. Treasury business includes domestic and foreign-currency trading and investment, fund management, wealth management, value-secured debt business, domestic and overseas financing and other fund operation and management services. Financial institution banking refers to services offered to banks, securities brokerages, fund companies and insurance companies worldwide ranging from clearing, inter-bank lending to agent and custodian services.