Organisations increasingly recognise the importance of environmental, social, and governance (ESG) aspects for ensuring organisational and global sustainability. Digital transformation is helping organisations to integrate ESG factors into their operations and leverage information technology for economic, social, and environmental benefits. Enterprise architecture (EA) is a strategic approach that integrates business objectives with information technology systems and infrastructure to align with organisational goals and enable effective management, governance, and decision-making. Despite the growing recognition of the significance of ESG factors in promoting sustainable business practices, there are still obstacles to assuring ESG for organisational sustainability. The article explores the key issues in incorporating ESG factors for organisational sustainability and suggests ways EA can help address these challenges. The paper also proposes a conceptual design for the role of EA in ensuring ESG factors for organisational sustainability.