This file provides a template of Recommendation letter that a customer writes to others to recommend one of the cleaning companies. A formal Recommendation letter mainly consists of three parts, the intention of the letter in the first part, the reason for recommending and the contact information. This template is created based on this format. This letter has presented the company's advantages over other cleaning companies in a very detailed way. Therefore, It's a good sample worth reading. You can download it for free and fill the blank for immediate use or modify to meet your special needs.