For academic researchers working with social movements and activist groups can present unique challenges. Finding ways to work effectively together, whilst acknowledging differences in power and objectives, is often problematic. Drawing on perspectives from different social movements and academia, Diana Mitlin, Jhono Bennett, Philipp Horn, Sophie King, Jack Makau and George Masimba Nyama present insights from the Slum/Shack Dwellers International movement on how academics can successfully co-produce useful knowledge for social movements.