Stu, Lilly, Evelyn and the team over at RAVE define 5-stars.
Every cleaners I've used in each city has been the same...collars quickly discolor and suits/pants tend to get "shine" after cleaning. Consider these problems things of the past when visiting Rave.
I initially found them by luck but have found they are the "go to" cleaners at just about all of the high end clothing stores. This is not the "bang and hang" cleaners that are everywhere.
Consider the prices you pay here insurance for your garments...they last longer and look better.