This study investigated the use of ratio analysis as tools of measuring corporate performances. Skye bank plc was selected as a case study. The period cover is five years data were collected from the financial summary of the bank. They were analyzed through the use of chi-square statistic. The study reveals that only P/E ratio, net asset per share, the combination ratios of potential and growth, and the combination of all the ratio indicators of corporate performance. There is the need therefore for corporation entities to place emphasis on making available these ratios In their annual reports (especially, potential and growth ratios) so as to be able to spot troubled areas before it is too late, if any, and to identify the consistency in the performance of their organizations.