According to best efforts offering, investment bank in return of providing services must

According to best efforts offering, investment bank in return of providing services must receive fee. An investment bank (IB) is a financial intermediary that performs a variety of services. Most Investment banks specialize in large and complex financial transactions, such as underwriting, acting as an intermediary between a securities issuer and the investing public, facilitating mergers and other corporate reorganizations and acting as a broker or financial adviser for institutional clients.