This research study aims to investigate the impact of Brexit on supply chain operation with a case study on Tesco. It includes a literature review on the concept of Brexit regarding the retail industry, analysis of the impact of Brexit on the supply chain of organizations, and strategies for reducing the Brexit impact over the organizational functionality. The research methodologies involve qualitative research strategy, interpritivis research philosophy, inductive research approach, exploratory research design, primary data collection method, thematic data analysis, and ethical considerations. The research plan includes research objectives, questions, and limitations.