A suggestion letter is written to suggest something useful to a person or company so that they can improve their services or habits. It is a kind of letter where the sender attempts to advise the receiver in the most impressive and influential manner. There are many types of suggestion letters which are written for different people and organizations. So here we have professionally written and customizable suggestion letter templates that are easy to download and which will ease your tension so you don’t have to worry. These templates are available in various file formats like MS word, Apple Pages, and google docs.