What is the most important aspect of Mutual Fund Distribution Business? Marketing is no doubt the most important part of Mutual Fund Distribution but the major function of any marketing activity should not be about what you do but it should be aimed at establishing yourself as and knowledgeable, reliable and trusted MFD or IFA. Most investors don’t do the business with MDF/IFA they don’t trust. Investment decisions are the ones which affect their financial life and future directly, so it becomes very crucial for us to develop not only capability but also the credibility through our communication.