This article presents the research methodology used for a case study on the impact of customer service quality on customer engagement through customer satisfaction in a retail shop. It covers research philosophy, approach, strategies, investigation type, time horizons, data collection, analysis, and ethics. The selected research philosophy is positivism, the approach is deductive, the strategy is survey, the investigation type is quantitative, and the time horizon is cross-sectional. The data collection includes both primary and secondary methods, and the data analysis is quantitative. Ethical considerations are also discussed.