The demand for corporate disclosure and transparency across globe is fast increasing. Stakeholders are demanding for more information beyond the mandatory disclosure. Integrated reporting practices has been suggested by scholars as a possible way of addressing this seeming persistent problem hence this study examined the effect of integrated reporting practices on corporate disclosure and transparency in Nigerian quoted manufacturing companies. The study employed a survey research design. The population of the study comprised 54 Nigerian quoted manufacturing companies as at 2018, and the big 4 accountings which sum up to 58. A sample size of 45 was determined on convenience while 675 respondents were purposively selected using event criterion of departments believed to have information about integrated reporting. Data were collected through a validated questionnaire with Cronbach’s alpha reliability coefficients which ranged from 0.73 to 0.85. A retrieval rate of 77.9% was achieved. Data were analysed using descriptive and inferential statistics of ordered logistic regression. The study revealed that integrated reporting practices jointly had significant effect on corporate disclosure and transparency (Pseudo R² = 0.315, F(8, 526) = 164.484, p < 0.05). The study concluded that integrated reporting practices contributed to corporate disclosure and transparency of Nigerian quoted manufacturing companies. The study recommended that Management of quoted companies should commence the adoption of integrated reporting practices on voluntary basis. The study further recommended that the current effort of accounting standard setters and regulators on integrated reporting practices should be fast-tracked for a new framework for corporate reporting in Nigeria.

KEYWORDS: Business model reporting, Corporate disclosure and transparency, Governance reporting, Integrated reporting practices, Outlook reporting.