Decent work cannot exist where modern slavery and child labour persist. Forced labour, modern slavery and child labour are complex problems associated with poverty, governance failures and inequalities in the global labour market. Tackling them requires a massive international effort, involving Governments, businesses, civil society organizations, trade unions and international bodies. This brief guide, developed as part of the Decent Work in Global Supply Chains Action Platform, offers a quick overview of the steps businesses can take to help eliminate modern slavery, while highlighting key resources, initiatives and engagement opportunities to support business action.