This research proposal examines the impact of COVID-19 on the UK retail industry, focusing on market changes, consumer behavior, and the strategies employed by businesses, particularly Sainsbury. The introduction outlines the research problem, which includes the economic downturn and challenges faced by the retail sector. The research rationale highlights the need to understand the pandemic's effects on sales, online presence, and supply chains. The proposal includes specific research aims, objectives, and questions, along with a detailed methodology that covers research approaches (inductive and deductive), research design (qualitative and quantitative), data collection methods (surveys, questionnaires), and participant selection. It also addresses validity, reliability, and data analysis techniques, including the use of SPSS. The conclusion emphasizes the importance of adapting to the changing market conditions and offers recommendations for the industry's recovery and growth, providing a comprehensive overview of the challenges and opportunities in the post-pandemic retail landscape.