This dissertation explores the relationship between Customer-Centricity, Corporate Purpose, and Corporate Sustainability, offering valuable insights for academia and practice. The central research question examines how organizations can achieve Corporate Sustainability by effectively integrating Customer-Centricity and Corporate Purpose. The introduction sets the stage by defining Corporate Sustainability, Corporate Purpose, and Customer-Centricity as fundamental concepts in modern business. Corporate Sustainability encompasses economic, environmental, and social dimensions driven by environmental concerns and ethical imperatives. Corporate Purpose embodies an organization's values and mission, evolving to promote societal well-being. Customer-Centricity emphasizes placing customers at the core of strategic decisions.