Describes a study performed in Leicestershire, United Kingdom to develop a reliable and valid scale for the measurement of the perceived service quality of bank services. The Cooperative Bank (CB) and Islamic Bank of Britain (IBB) which located in Leicester, UK has been chosen as a sample for the research field study. A sample of retail banking customers in The Cooperative Bank and Islamic Bank of Britain was surveyed through a questionnaire. The proposed scale is called SERVQUAL and comprises 33 items named CARTER with six dimensions (Compliance, Assurance, Reliability, Tangible, Empathy...