The book with a foreword by Mr. Muhammad Ahmad, OON chairman FRCN, NCCG technical committee and president of the Society for Corporate Governance Nigeria, illuminates the corporate governance structure, data, and sustainability reports of the thirty most capitalised companies on the Exchange. Based upon this extraction, the book analyses compliance of the featured companies’ corporate governance and sustainability reporting against the provisions of the Nigerian Code of Corporate Governance 2018, and the Nigerian Stock Exchange Sustainability Guidelines 2018. It also contains a sectoral analysis of the thirty companies, a featured article on sustainability by practitioners at Deloitte & Touche, and electronic copies are also available on Okadabooks, Kobowriting life and Amazon stores.