Reply #5 by backlinktalk
Editorial follow-up: ask for useful feedback
A practical closing question is: “Which part of the process was least clear, and what would have made the deliverable easier to use?” This invites information that can improve the service.
If you later request a public testimonial, let the client use their own words and confirm permission before publishing it. Do not convert private praise into an invented quotation or imply measured business results that the client has not established.