Dear
Thank you for your ongoing support of __(Name of company)__. To ensure we are meeting our customers’ needs we would we would very much appreciate it if you would take a few minutes to fill out the customer survey __(attached/listed below/by clicking on the link below/etc.)__.
This survey includes __(number)__ questions and should take __(only a few/less than 5)__ minutes to complete.
Our goal is to better serve our customers and your feedback is extremely valuable in helping us to reach that end.
Thank you!