Developing countries, including as small states and least developed countries (LDCs), continue to face significant challenges within the global trading system. Action is required to allow them to overcome disadvantages and achieve sustainable levels of income from trade. This study provides a fresh perspective on how measures can be taken to enhance the participation of small states, many of which are Commonwealth countries, in the multilateral trading system. It contributes to the ongoing general debate about reforming the World Trade Organization and global trade governance.