Disclosure of Intellectual Capital in Financial Reporting of firms which listed in Tehran Stock Exchange

These days, intellectual capital is one of important resources for firms in knowledge-based economy. There is a difference between market value and book value of firms, which called unexplained gap. If investor has access to information that explained this gap, it can lead to better economic decisions than investors who do not have access this information. Disclosure of intellectual capital component s’ in annual reports, can be partly explain this gap.This paper aims to examine intellectual capital reporting in annual reports and determine the relationship between intellectual capital reporting and size, industry and partnership of firms.In order to determine the types of intellectual capital items which reported in annual reports, the content analysis method was used. To test the relationship between disclosure of intellectual capital and firm’s industry, Kruskal Wallis Test was conducted.The sample of paper consists of 50 companies which listed in Tehran stock exchange for consecutive years 1387 and 1388.The findings showed that in 1387, external capital and in 1388, human capital had more reporting. There is a significant relationship between intellectual capital reporting and size of firms.