["\nAbstract\nMost of the research on transnational advocacy networks documents progressive, voluntary movements, motivated by values associate with human rights and public goods. There is little critical reflection on the role of corporations within such networks or on the material motivations behind movements. Meanwhile literature on corporate political strategies related to partnerships with civil society is limited to national level analysis. This article presents a case study of the International Coalition Against Plain Packaging, which is conceptualized as a transnational advocacy network, and documents its links to the tobacco industry. We find that, not only have tobacco companies provided network members – publicly presented and perceived as independent – with financial resources, but they have also been involved in producing the information used by the network to debate the benefits of plain packaging. In return, the tobacco industry is able to propagate ideas favorable to its interests through organizations perceived as legitimate experts, and to maintain a network of allies ready to counter tobacco control regulations when and where they arise. Considering the multiple benefits corporations might derive from engaging with transnational advocacy networks, there is need for greater research on private actors’ influence within advocacy networks and on those networks that aim to counter or advance alternatives to progressive ideals.\n", "Global Networks, Volume 20, Issue 4, Page 603-624, October 2020. "]