Factors affecting the quality of corporate governance in listed companies in Tehran Stock Exchange

This study examines the factors affecting the quality of corporate governance in listed companies in Tehran Stock Exchange. In order to achieve this goal a comprehensive index of 18 factors related to corporate governance, which are compatible with Iran's reporting environment as a measure of the quality of corporate governance, was prepared. By using a sample consists of 101 firms listed in Tehran stock exchange in the period of 1388 to 1392 and by taking advantage of multivariate regression techniques based on the pattern of the data grew, results showed that firm size, leverage and profitability have a significant positive effect on the quality of corporate governance. But firm's investment opportunities and quality of auditing don’t have a significant effect on the quality of corporate governance. Findings While filling the research gap in this area, Can be helpful for investors, securities and stock exchange organization, and other users of accounting information, In decision-making.