What Is The Sub-broker Program of IIFL? What Is The Sub-broker Program of IIFL? Share: The stock market is a powerful concept that allows individuals to invest in hypothetical wealth, wealth that can fluctuate wildly due to market forces. But the stock market has done more than just allow successful investors to enrich themselves, it has also led to the rise of numerous ancillary professions that facilitate these investments, one of which is the sub-broker. Who Is a Sub-broker? Since an individual cannot directly invest in stocks and shares, they need to do it via broking firms. The brokers that are part of these firms are authorised to trade and exchange shares on behalf of the individual or even an institution. However, there is a dwindling number of authorised brokers to acquire services from and in order to ensure that there is efficient match making between prospective investors and traditional brokers, the class of sub-brokers was created. A sub-broker acts on the behalf of a Trading Member of a Stock Exchange, and brings in clients that eventually go on to invest via the broker, enhancing their returns from their brokerage fees.