Dear

__(Name of Organization)__ is currently attempting to measure its performance levels over the last __(length of time)__. Through this assessment process, we hope to be able to identify areas that need our attention, while strengthening the current relationship we have with our __(clients/customers)__. It is very important to us that we provide the best possible service to you.

In that regard, we ask that you kindly complete the __(enclosed/attached)__ Customer Survey questionnaire. This should only take __(length of time – e.g. a few moments)__ of your time. Your candid comments are greatly appreciated in helping us with our evaluation and we wish to assure you that your response in its entirety, will be treated with the utmost confidentiality. Please return the completed questionnaire to us by __(date)__ by using the enclosed postage-paid envelope. We extend our deepest gratitude to you for taking the time to provide us with your valued feedback. Thank you.

Yours very truly,