In this paper, I offer a descriptive and normative analysis of the requirements for effective transnational solidarity between southern NGOs and their northern partners. Drawing on interviews conducted with staff members of Senegalese women’s rights NGOs and a private international development foundation, I contend that existing theories of feminist transnational solidarity cannot allow us to properly acknowledge the power asymmetries and obstacles to solidarity that these NGOs are facing. After assessing the divisions related to gender interests and limited resources that (...) characterize this NGO-ized development landscape, I develop a partial theory of transnational solidarity that would center power asymmetries in order to address practical and political obstacles to solidarity. I argue that an effective account of transnational solidarity must include a commitment to disrupting global hierarchies of power as well as to building practices of accountability and attentiveness to power structures. (shrink)