A letter of work experience is a letter that is issues to someone as verification of their past work experience. These are extremely useful when applying for a new job where specific levels of experience are required. For example, if you were applying for a job at an accounting firm as a senior accountant, they may require you to have 5 years past experience as a junior accountant. So, to prove that, you would need to request a letter of work experience from your previous employer verifying that you meet those requirements. Sample letter of work experience : Margaret W. Moritz 2256 Maloy Court Kensington, KS 66951 Dear Mrs. Moritz, I am writing this letter to verify that Michael L. Bartlett has worked in the past at our accounting firm as a junior accountant. He began work with us in that position on July 14th, 1998, and continued to occupy that position until his resignation on April 5th, 2009. He worked for us for a total of just around 11 years. If you have any qu...