How To Write A Compliance Letter To A Company . With this, you will be able to write a letter which is short and to the point. Check out an example letter that used this format. 50+ FREE Complaint Letter Templates DOC, PDF Free & Premium Templates from www.template.net How do you write a great compliance newsletter? Give a brief history of your efforts to resolve the problem, if the information helps explain why you’re writing to the company. Whatever the problem is, be specific about it.