Bancolombia S. A. provides banking products and services in Colombia, Panama, Puerto Rico, El Salvador, Costa Rica, and Guatemala. The company operates through nine segments: Banking Colombia, Banking Panama, Banking El Salvador, Banking Guatemala, Trust, Investment Banking, Brokerage, International Banking, and All Other.

It offers checking and savings accounts, fixed term deposits, and investment products; trade financing, loans funded by domestic development banks, working capital loans, credit cards, personal and vehicle loans, payroll loans, and overdrafts; financial support to real estate developers and mortgages for individuals and companies; factoring; and financial and operating leasing services. The company also provides hedging instruments, including futures, forwards, options, and swaps; and brokerage, investment advisory, and private banking services, including selling and distributing equities, futures, foreign currencies, fixed income securities, mutual funds, and structured products. In addition, it offers cash management services; foreign currency transaction services; life, auto, commercial, and homeowner's insurance products; and online and computer banking services.

Further, the company provides project and acquisition finance, debt and equity capital markets, principal investments, M&A, hedging strategies, restructurings, and structured financing; money market accounts, mutual and pension funds, private equity funds, payment and corporate trust, and custody; internet-based trading platform; inter-bank lending and repurchase agreements; managing escrow accounts, and investment and real estate funds; and transportation, securities brokerage, maintenance and remodeling, and outsourcing services. Bancolombia S. A. was incorporated in 1945 and is headquartered in Medellín, Colombia.