This research proposal aims to study the significance of social media marketing in enhancing customer satisfaction level, focusing on Tesco plc. The objectives include identifying the role of social media marketing in the retail sector, assessing ways to enhance customer satisfaction, determining different social media practices, and suggesting new ways for Tesco to build effective social media practices. The study will use primary and secondary data collection methods, interpretivism research philosophy, inductive research approach, and qualitative data analysis.