Evaluation of Financial Performance of BIST Sustainability 25 Index Companies within the Framework of SDGs Reporting with TOPSIS Approach

The purpose of this study is to reveal the alteration in the financial performances of the companies in the BIST Sustainability 25 Index between the years 2010-2022, within or without SDG disclosures applying the TOPSIS ranking approach. The research was carried out with a basis of ratio analysis and frequency method. The financial performance of companies was determined with the TOPSIS approach. Concerning the determination of the level of SDGs by companies, the integrated (annual, operational) and sustainability reports of the companies were subjected to content analysis, and the presence of the indicators was obtained to identify the UN's SDGs. The highest financial performance obtained from the findings is the banks (AKBNK, TSKB, ISCTR) operating in the financial sector. Similarly, TSKB and ISCTR are among nine companies (ARCLK, EREGL, FROTO, KCHOL, KORDS, MGROS, TCELL, ISCTR, TSKB) that disclosed most SDG statements.