Corporate human rights reporting is a commonly expected practice and is increasingly becoming a legal requirement for businesses. But is it working? This report, a joint publication from FLEX and the International Corporate Accountability Roundtable, explores this crucial question. Providing an in-depth review of current modern slavery legislation around the world, it highlights commons gaps in existing laws and encourages a more risk and outcomes oriented approach to reporting in future. It concludes with clear recommendations for governments and companies to enhance modern slavery reporting in the future.