The present research work has been carried out in order to determine the influence of the quality of service on the satisfaction of the clients of the Clinic Prontto, Trujillo 2017. The problem formulated for the investigation was: What is the relationship that exists between the quality of the service and the satisfaction of the clients of the Prontto Salud Clinic, Trujillo 2017? And it was hypothesized: There is a direct relationship between the quality of the service and the satisfaction of the clients of Clínica Prontto Salud, Trujillo, 2017. The population under study was made up of monthly users and / or patients who attend the different services provided by the Prontto Salud Clinic. It was considered, according to data of the company, a monthly average of 2450 users and / or patients, having as sample to 332 users. The research design used was descriptive-transversal and the meth...