The goal of this article is to assess the direct effect of the mechanism of good corporate governance (GCG) and corporate social responsibility (CSR) on financial performance as well as via earnings management as a mediating variable. 102 businesses listed on the Indonesian Stock Exchange for the year 2014 comprised the secondary data utilized in this study. The program WarpPLS 5.0 was utilized to analyze the data used in this investigation using partial least squares. Results The findings indicate that both the GCG and CSR mechanisms and CSR have a favorable impact on financial performance. The findings also demonstrate that earnings management somewhat mediates the effect of GCG mechanisms on financial performance and fully mediates the effect of CSR on financial performance.