This report provides a comprehensive analysis of Marks and Spencer's business ethics, focusing on its corporate social responsibility (CSR) and sustainability practices. It delves into the company's economic, legal, ethical, and philanthropic responsibilities, highlighting how M&S integrates these aspects into its operations. The report discusses the Carroll's pyramid model to elucidate M&S's CSR approach, emphasizing its commitment to stakeholders, the general public, and its own profitability. Furthermore, it examines M&S's sustainability initiatives, including the triple bottom line model (people, planet, profit), and its Plan A program. The report also includes recommendations for future improvements and a conclusion summarizing the key findings.