This study examines the extent to which corporate governance should be concerned with the interests of stakeholders more than that of shareholders, increase in provision of sustainability reporting and believe of accountants in sustainability reporting. The research positively contributes to literature about corporate governance and voluntary non-financial reporting in numerous ways. The theory of voluntary disclosure states that firms which perform well in non-financial reports disclosures report using high quality information so as to maintain their superiority in the market and attract more investors.