This assignment examines Westpac Banking Corporation's approach to sustainability. It details their integration of economic, social, and environmental dimensions into business practices, outlining strategies like the 'Squashed Tomato Strategy' and Sustainable Supply Chain Management. The analysis explores the reasons behind Westpac's commitment to sustainability, including competitive advantage, consumer engagement, risk management, and supplier relationships. Finally, the paper identifies key stakeholders affected by Westpac's sustainability performance.