This case study outlines the key considerations for implementing a Mystery Shopping program to enhance service quality and customer experience across various industries. It covers the entire research process, from the definition of the goals of the study to results presentation. In first place, it emphasizes the importance of setting clear objectives and defining appropriate evaluation criteria to measure service quality. Additionally, the need to design a clear and well-structured evaluation guide, along with different assessment scenarios reflecting real interaction situations with the company, is highlighted to ensure the relevance of the evaluations conducted. Recruitment and selection of mystery shoppers are also crucial aspects to consider. The ideal profiles, necessary requirements, and recommendations are provided to ensure objectivity and discretion among these evaluators. Infor...