This study investigated the effect of sustainability reporting on value-relevance of accounting information in Nigeria. Ex-post facto research design was used and secondary data were obtained from 26 manufacturing companies listed in Nigerian Exchange Group. Data on sustainability reporting measures (environmental and governance) and value-relevance of accounting information measure (share price) were sourced from the published annual reports and accounts of the listed manufacturing companies from 2013-2023. Data obtained were analyzed using descriptive, correlation and inferential statistics. The analysis results revealed that sustainability reporting measures of environmental sustainability reporting and governance sustainability reporting significantly affect value-relevance of accounting information of the selected listed manufacturing companies in Nigeria. In view of the findings, the study recommends among others that, management of manufacturing companies should consistently increase its disclosure of environmental information and make it a mandatory practice and policy.
Keywords: Accounting information, Environmental sustainability, Share Price, Value Relevance, governance sustainability
