Banco de Chile operates as a full-service financial institution, offering a wide array of banking and financial services across Chile. The bank's business model is structured around four primary segments: Retail Banking, Wholesale Banking, Treasury, and Subsidiaries. The Retail Banking segment, which is the largest revenue contributor, provides consumer and commercial loans, checking accounts, credit cards, and mortgage loans to individuals and SMEs. The Wholesale Banking segment caters to corporate clients and large companies, offering liquidity management, debt instruments, foreign trade financing, and derivative contracts. The Treasury segment manages the bank's securities portfolio, currency trading, and derivatives positions, while the Subsidiaries segment includes mutual fund management, securities brokerage, insurance brokerage, and factoring services. Banco de Chile benefits from a strong funding moat, with a significant portion of its assets funded by non-interest-bearing demand deposits, ensuring high profitability and a robust net interest margin. The bank operates a vast national network of branches and ATMs, and maintains international branches to support cross-border transactions. It is jointly controlled by Quiñenco S.A. and Citigroup, providing it with both deep local market expertise and global financial integration.