Islam, in its relation between state and politics, has often been used to strengthen the sense of national identity or as a tool of self-legitimation by Arab regimes to gain the support of the people. This happened in Algeria, Morocco, Mauritania and Tunisia, where the state not only co-opted religion for official purposes but absorbed the ‘ ulamā’, the religious establishment, in the administration as simple employees of newly created institutions, such as the High Islamic Councils. This article aims to shed light on these little-known organizations, one of the regime’s keystones to having a firm hold on their power.