If you have a support team and you'd like to have a think about the care and thought being put into your replies, this article should prove useful:
Measuring customer satisfaction thus becomes an easy metric to spin your wheels on. But you shouldn’t throw the baby out with the bath water; for many teams, a simple approach will do. Here are three questions to answer: 1) Overall, are customers’ expectations being met when they talk to support? 2) How likely are customers to recommend us to their friends and colleagues? 3) How much effort do customers expend when they solve their problems with us?