This report conducts an internal and external analysis of Tesco, a UK-based retail supermarket, and evaluates the impact of COVID-19 on the company. The report uses appropriate academic theory and industry examples to support the analysis. The internal analysis includes a SWOT analysis and STP marketing model, while the external analysis uses the PESTLE analysis model to identify the impact of political, economic, social, technological, legal, and environmental factors on Tesco.