This study aims to determine the effect of managerial ownership, institutional ownership and audit committee on firm value through earnings management as an intervening variable. The population in this study is the basic and chemical industrial sector companies listed on the Indonesia Stock Exchange in the 2016 – 2020 period as many as 75 companies. The data collection method used is purposive sampling with 40 companies. The data analysis techniques used in this research are descriptive statistical test, classical assumption test, multiple regression analysis, model fit test and Sobel test. The data in this study were obtained from the annual reports of companies listed on the Indonesia Stock Exchange in 2016 – 2020. The results show that managerial ownership has a positive and insignificant effect on earnings management, institutional ownership has a significant positive effect on earnings management, audit committees have a significant positive effect on earnings management, earnings management has an insignificant negative effect on firm value, managerial ownership has an insignificant positive effect on earnings management. firm value, meanwhile institutional ownership has a significant positive effect on firm value, the audit committee has no significant positive effect on firm value, earnings management is unable to mediate the effect of managerial ownership on firm value, earnings management is unable to mediate the effect of institutional ownership on firm value, and management earnings are not able to mediate the effect of the audit committee on firm value.