How to measure customer satisfaction?

1-Realize that client satisfaction is subjective and in order to measure it, you will need to focus on collecting individual feedback and evaluating it to determine an overall understanding of customer satisfaction.2-Request that your customers fill in a survey3-Ask the right questions in your survey4-Familiarize yourself with customer expectations and work on meeting them5-Discover the level of customer satisfaction by recognizing where you are going wrong6-Find out who has more satisfied customers than you and why

by feedback form customer 

It can be measured by customer interaction and by audit of customer care departmental records

1.
Conduct customer satisfaction survey by working with professional external surveyor2.
Mystery shopper3.
Perform Quality Monitoring and Observation to each of your Staff