摘要:The aim of this research work is to investigate empirical and theoretical influence of financial leverage on financial performance of the top 100 listed firms of Karachi Stock Exchange, and also checks corporate governance index moderation effect which will be the major contribution of the study. The data for this research works was taken from the KSE 100 top companies which are listed on Stock Exchange of Pakistan for the time period of 2011 to 2021. The research work uses the generalized moment of method to analysis the relationship among the variables. GMM is use to reduce the endogeneity from the panel data. Financial leverage (FL) was measured through the Debt to total asset. Return on assets is used as proxy for measuring firm performance, while corporate governance (CG) measured through the corporate board is index (CGI). Empirical results indicate the financial leverage has a negative impact on the financial performance of the non-financial firm. Corporate governance index has significantly reduced the negative consequence among the financial leverage on firm performance. The finding of this research will help investors in decision making for selecting of firms for investments.