We've got all the information of real people who buy the services of The Plaza (Mall) near New York.
Nowadays this firm has a score of 4.5 stars out of 5 and that score has been based on 6654 reviews.
As you can read, the average of ratings that it reaches is nearly the top, and it's based on a large number of scores, so we may say that the rating is quite reliable. If there are many people who bothered to evaluate when they've done well, is that it works.
As you know, we don't usually bother to set scores when these are positive and we usually do it only if we have had a problem or issue...