Sustainability and Corporate Social Responsibility (CSR) represent integrated business approaches aimed at meeting organizational objectives while promoting environmental stewardship, social welfare, and ethical governance. In increasingly competitive and socially conscious markets, companies are expected to move beyond profit maximization and contribute positively to society. This article explores how sustainability and CSR initiatives influence business reputation, stakeholder engagement, regulatory compliance, and organizational performance. It highlights the importance of Environmental, Social, and Governance (ESG) frameworks, corporate ethics programs, and community development activities. Organizations that strategically embed sustainability and CSR principles into their operations demonstrate enhanced credibility, customer loyalty, risk management capability, and long-term value creation.