This editorial provides an overview of the special issue "Moving towards UHC: engaging non-state providers". It begins by describing the rationale underlying the Alliance's choice of a research program addressing issues of non-state providers and briefly discusses the research process this entailed. This is followed by a summary of the findings and key messages of each of the eight articles included in the issue. The editorial concludes with a series of reflections regarding lessons learnt about the engagement of non-state providers, methodological challenges, areas for future research as well as the contribution of the research program towards efforts to build capacity and strengthen health systems towards universal health coverage.
Keywords: Contracting; Low-and-middle-income countries; Non-state providers; Universal health coverage.