Itaú Unibanco is a diversified financial services group serving individuals, businesses, and institutional clients across Brazil and Latin America. The company operates through three main segments: Retail Banking, which provides loans, payment services, wealth management, and insurance to consumers and small-to-medium enterprises; Wholesale Banking, which delivers investment banking, M&A advisory, capital markets services, and private banking to large corporations and high-net-worth clients; and Treasury and Corporate operations. The bank generates revenue primarily through interest income on a large loan and deposit base, supplemented by commissions and fees from card services, merchant acquiring, fund management, and insurance products.