Within the last three decades, with the emergence of the inadequacy of performance measurement based solely on financial data, multidimensional performance measurement systems have been developed where financial and non-financial information are deployed together. Furthermore, global financial crises and bankruptcies amplified the significance of corporate governance, hence regulations have been introduced. This study aims to examine the relationship between the financial and non-financial

more »

... rmances of the companies in the corporate governance index and their corporate governance compliance grades. The financial performances of the 18 companies in the research were calculated with the TOPSIS method using the financial ratios of 2019, the non-financial performances however were estimated by using the multidimensional performance measurement systems as balanced scorecard, performance prism and performance pyramid. As a result, it was determined that while the corporate governance compliance grades of the companies has no relationship with their financial performance rankings, it has a weak-medium level positive relationship amidst 10% error margin with their non-financial performance rankings.