This research aims to identify the effects of corporate social responsibility (CSR) on customer loyalty, with a focus on the UK retail industry. The study will analyze the importance of CSR in managing business operations, the relationship between CSR activities and customer loyalty, and ways in which Marks & Spencer can enhance customer loyalty through CSR. The research methodology will involve a quantitative approach, using questionnaires to collect data. The findings will provide insights into the impact of CSR on customer loyalty and guide organizations in managing their CSR activities.