Service quality is by nature evaluative; how far appropriate service is rendered and met customers’ expectations. In most services the customer is present at the moment of service presentation i.e. what customer perceives is not limited only to the kind of service but how that very service is being rendered. On the other hand looking at quality it seems that good service stands at one end and poor service at the other end. The interface between these two ends includes different degrees of quality. Defining service quality as something beyond customer expectations we may represent the quality of perceived service(s) as follow