This dissertation, submitted by Anis Sahraoui, investigates the impact of business ethics on the organizational performance of Iceland Retail Company in the UK. The research employs a mixed-methods approach, combining qualitative and quantitative data analysis to examine the relationship between ethical conduct and organizational success. The study explores the meaning and concept of business ethics, addresses its impact on Iceland Retail, and recommends strategies to promote ethical practices. The dissertation includes a comprehensive literature review, examining relevant theories such as the Employee Risk Triangle Theory and the Stress Facilitation Theory, along with empirical studies. Findings indicate a positive correlation between business ethics and organizational performance, emphasizing the importance of ethical considerations in business operations. The research also provides a detailed overview of Iceland Retail, its market position, and its corporate social responsibility initiatives, supported by data analysis and case studies. The dissertation concludes with recommendations for improving business ethics within the organization to enhance its overall performance and image.