In banking system, being a domestic or foreign bank can be an especially important managerial success. In the literature, it has been claimed that foreign banks are more successful than domestic ones. The reason for this can be having more global knowledge and using more professional tactics in banking transactions. On the other hand, to be familiar with its society’s culture can be an opportunity for domestic banks. In this study, Turkish banks have been evaluated with using financial ratios taking into consideration domestic and foreign equity. The banks have also been ranked according to success. To achieve this, principal components analysis and discriminant analysis have been applied Keywords: Turkish banking system, financial ratios, principal components analysis and discriminant analysis.