This report investigates the positive impacts of Corporate Social Responsibility (CSR), business ethics, and sustainability on the pharmaceutical industry, particularly in the United Kingdom. It examines how these factors influence a company's wealth, reputation, profitability, and brand integrity. The report highlights the growing importance of CSR in the pharmaceutical sector, driven by public expectations and the need to address past damages. It explores challenges such as government inefficiency, demand for greater disclosure, and changing employee and investor behaviors. The study emphasizes the benefits of adopting CSR, including enhanced public image, customer satisfaction, increased business opportunities, and improved financial performance, using GlaxoSmithKline as a case study. The report concludes that while CSR activities have both positive and negative impacts, ethical practices and societal contributions are crucial for rebuilding trust and improving the public perception of the pharmaceutical industry. The report also discusses the challenges pharmaceutical companies face while introducing CSR activities into their business operations.