Give some consideration to the concept of a client advisory council. It’s an unbelievable bang for the buck in terms of investment of time, money, and effort. Just invite six or eight of your favorite clients to a lunch or a dinner and simply tell them that you take a lot of pride in the client experience you provide, but you know you can always raise the bar. Let them know that they, the clients, are the only critics whose opinions really count - and that you want to make them the voice you listen to.