Corporate Sustainability is a business concept that creates a long-term shareholder value by managing risks arising from economic, environmental and social developments. Corporate sustainability emphasizes the social, economic and ecological responsibilities of companies as well as their financial responsibilities. That's why; all these responsibilities should be included in the decision-making process and taken into account to have the right sustainability strategies. In this study, the index’s impact on the financial performance of 14 manufacturing operations included in the BIST Sustainability Index in 2015 is examined based on the data for 2010-2015. The difference between the prior and subsequent financial accounting ratios of the companies included in the index and that publish the sustainability report are tested quantitatively. A statistically significant difference is not found in the performance of the companies before and after index.
Keywords: Corporate Sustainability, Sustainability Index, Financial Performance