Corruption undermines the redistributive functions of the state, biases the allocation of talents and capital and wastes money and capacities. The article provides reasons why the private sector can make a strategic contribution to anti-corruption reforms, presents landmarks to analyze the feasibility and possibility of involving the private sector in the fight against corruption, presents actual experiences of multinational corporations and local firms that are involved in anti-corruption efforts and considers conditions and initiatives that can facilitate private sector involvement. The role of the private sector in anti-corruption efforts can be a very productive entry point to analyze corruption. The article recommends more research in order to understand how to facilitate the constitution of business groups that will support and defend anti-corruption efforts and to identify what support can be provided to the process by external actors. Notes