Merchant Banking is a combination of Banking and consultancy services. It provides consultancy to its clients for financial, marketing, managerial and legal matters. Consultancy means to provide advice, guidance and service for a fee. It helps a businessman to start a business. It helps to raise (collect) finance. It helps to expand and modernize the business. It helps in restructuring of a business. It helps to revive sick business units. It also helps companies to register, buy and sell shares at the stock exchange.
In short, merchant banking provides a wide range of services for starting until running a business. It acts as Financial Engineer for a business.