This article reflects upon an international collaboration between supervision experts from South Africa, Hong Kong and New Zealand with the Singapore Association of Social Workers. This collaboration was focused on developing the supervision of supervisory practice. An overview of social work supervision in Singapore is discussed, followed by the process of developing the programme content, delivering training and providing consultation on creating a curriculum. The outcomes include supervision guidelines, curriculum development and further cross-national collaborations. The article concludes by discussing the learning from this international collaboration.