This article draws on data from a major public inquiry in the UK to examine how the multinational corporation G4S sought to avoid blame for the mistreatment of immigration detainees in its care. Our analysis is based on a critical discourse analysis of oral and written evidence given by G4S and one of the company’s managing directors to the Brook House Inquiry. We show how discursive strategies of blame avoidance were prominent features of this evidence, including the scapegoating of individual custody officers, the legitimation of the profit-seeking management of immigration detention and the de-legitimation of those who brought the mistreatment of detainees to light. The article contributes to our understanding of the discursive practices employed by powerful actors to limit corporate responsibility for systemic failings.