This dissertation undertakes a comprehensive financial analysis of Sainsbury's, a leading UK supermarket chain, from the perspective of retail investors. The study begins with an introduction outlining the research background, aims, objectives, questions, and significance, along with the research structure and hypothesis. A thorough literature review examines key factors influencing investment decisions, business models, opportunities, and risks within the UK retail industry, including the impact of Sainsbury's acquisition of Argos. The research methodology chapter details the research philosophy, design, approach, data collection methods (qualitative and quantitative), and analysis techniques. The findings chapter presents both qualitative data, exploring the competitive landscape and investor sentiment, and quantitative data, including detailed ratio analyses (profitability, liquidity, activity, and gearing ratios) of Sainsbury's. The conclusion links the findings to the research objectives and provides recommendations for investors. A reflective report is included to provide insights and understanding of the research process. The dissertation aims to assist investors in making informed decisions regarding investments in the retail sector, providing a detailed evaluation of Sainsbury's financial performance and market position.