The objective of this research was to determine to what extent the quality of service is related to customer satisfaction in the Hostal Scorpio, Trujillo 2018. The sample was for convenience, and consisted of 90 guests. As an instrument, the SERVQUAL questionnaire modified and adapted by Cabello and Chirinos (2010) was used. The results allow us to conclude: the quality of service from the perspective of the guest in the Scorpio, Trujillo 2018 a 61% i qualify it without quality, and only 39% qualify it with quality. The dimensions that most influenced this result were the response capacity that I qualify with a 80% without quality, another dimension that contributed were the tangible aspects with a 61% of dissatisfaction. Regarding the satisfaction of the hosting service, a 61% of the sample I qualify as not satisfied, while 31% i qualify it satisfied, and 8% was very satisfied. The dime...