This dissertation investigates the impact of customer satisfaction on the sales performance of the Adidas brand. The study examines the critical role of customer satisfaction as a key driver of sales, profit, and revenue maximization for businesses. The research identifies key issues affecting customer satisfaction within Adidas outlets, such as ineffective employee communication and a lack of personalized service, which are negatively impacting sales. Utilizing a positivism philosophy, deductive approach, descriptive design, and a survey research strategy with a sample of 50 customers, the study aims to understand the relationship between customer satisfaction and sales. The dissertation explores factors like store layout, after-sales service, communication, and personalized services, providing recommendations for improving customer satisfaction and, consequently, boosting sales. The research methodology includes primary data collection and quantitative analysis using SPSS, with findings presented through charts and graphs. The study concludes with recommendations focused on employee behavior, effective communication, and efficient after-sales service to enhance customer satisfaction and drive sales growth for Adidas.