T The influence of the disclosure of Sustainability Report against Tobin's Q on non-financial companies listed on the Indonesia stock exchange (idx) of the period of 2015-2017. Sustainability Report is a concept that companies have a responsibility towards customers, employees, shareholders, communities, and the environment in all aspects of the company's operations. With the implementation of the sustainability report Sustainability report will have an impact on the continuity of the company. Sustainability report is non-financial reports consisting of elements of aeanm performance i.e. economic, environmental, human rights, labor practices and decent work, social responsibility and product. This research aims to examine the relationship between the reporting of sustainability report of each dimension against the market performance of the company. The sample of this research was 15 non-financial companies listed on the Indonesia stock exchange during the period 2015-2016. The independent variable is disclosure of the performance of the economy, the environment, human rights, labor practices and decent work, social, and product liability. The independent are measured by the Global Reporting Initiative (GRI) are used as the basis for the calculation of the value of the index. The dependent variables is Tobin's Q as a measure of market performance of the company. This study uses secondary data collected from the site of the company and Indonesia stock exchange. The results of this study show that only the disclosure of product responsibility performance affecting significantly the company's market performance.commissioners and audit committees have a positive effect on tax avoidance.