Need help starting your business letter? Here are collection of business letter samples that may help you start your letter. When writing, make sure to always use the correct business letter format, introduce yourself in a polite manner, identify the purpose, and make sure to request some kind of action at the end. Remember to keep it short and straight to the point and make sure the reader can contact you if they have questions. There are over 500 different letter samples you can browse through, select one of the topic below that best suits your letter.