This research sought to determine the type of relationship that exists between customer satisfaction and loyalty in the Julca EIRL company in the city of Iquitos. For this purpose, a non-experimental investigation of descriptive - correlational and cross-sectional scope was designed, which had 40 clients of this company as a sample; to whom a questionnaire with responses on a Likert-type scale was applied. The main result establishes that if there is a moderately strong correlation (Rho = 0.624) between customer satisfaction and customer loyalty, with a significance of 0.000; which allows validating the hypothesis of this research, in the sense that there is a positive and significant relationship between both variables. The company is recommended to improve customer satisfaction to increase their loyalty, which would allow it to consolidate its customer portfolio.