The purpose of this study is to explain the effect of Profitability, Capital Structure, and Implementation of Good Corporate Governance on Firm Value. The population of this study are manufacturing companies listed on the Indonesia Stock Exchange for the 2016-2020 period. The sampling technique used is purposive sampling. This study uses a moderate regression analysis (MRA) approach. Based on the test results, this study proves that profitability, capital structure affect the value of the company. This study also proves that managerial ownership is a quasi-moderation when it is included in the relationship between capital structure and firm value and managerial ownership is a predictor when it comes to the relationship between profitability and firm value

Keywords : Profitability, Capital Structure, GCG, Firm Value.