This report provides an in-depth analysis of Marks and Spencer's (M&S) corporate social responsibility (CSR) initiatives. It begins with an introduction to CSR and its importance, followed by an overview of M&S and its commitment to CSR, particularly through its 'Plan A' strategy. The report examines M&S's ranking in the retail industry concerning CSR and details specific examples of the company's actions, including waste management, sustainable raw material sourcing, and initiatives related to climate change and employee/consumer health. The report also explores how CSR influences consumer purchasing power, including product evaluation, consumer awareness, loyalty, and ethical behavior. Furthermore, it discusses the relevance of CSR in the current business environment for M&S, highlighting its impact on public image, employee engagement, and competitive advantages. The report concludes by summarizing the key findings and emphasizing the significance of CSR for M&S's growth and success.