This report provides a comprehensive analysis and evaluation of Marks and Spencer Plc's financial performance over a ten-year period. The study employs a quantitative research strategy, utilizing secondary data extracted from the company's financial statements. The core of the analysis revolves around the application of ratio analysis to assess key financial aspects, including profitability, liquidity, and business efficiency. The report begins with an introduction that provides the background of the company and sets the research aims and objectives. A literature review explores relevant concepts like working capital management and its impact on firm performance, along with an overview of Marks and Spencer. The methodology section details the research philosophy, variable definitions, data collection methods, and analytical procedures. The findings are presented with the help of graphs and charts. The report aims to identify financial strengths and weaknesses, and it concludes with a summary of the findings and implications for Marks and Spencer's financial strategies, especially in the context of recent financial downturns. The analysis also considers the impact of working capital management on the company's performance.