This dissertation investigates Corporate Social Responsibility (CSR) as a strategic tool for fostering long-term sustainability within Johnson & Johnson (J&J), a leading pharmaceutical company. The study explores the background of CSR, its importance in building a distinct image, and the need to meet stakeholder expectations for competitive advantage. It examines J&J's CSR initiatives, such as the Health for Humanity 2020 program, and its impact on reducing health issues. The research aims to assess how CSR contributes to J&J's long-term sustainability, addressing stakeholder theory, the characteristics of stakeholder groups, and their influence on business performance. It also investigates the interaction between the company and its stakeholders and analyzes how CSR strategies can build sustainability. The dissertation includes a literature review on CSR and stakeholder theory, and it outlines the research methodology, data analysis, and findings, followed by conclusions and recommendations to enhance the sustainability of pharmaceutical companies.