The UK Modern Slavery Act 2015 was one of the first legislations of its kind in the world. The result of the introduction of the Act is that all commercial organisations with an annual turnover of over £36 million in the UK must publish a slavery and human trafficking statement. However, the extent to which the introduction of the Act has shaped the modern slavery policies of companies is currently unknown. Knowing whether or not a company has shaped their modern slavery policy in response to the Act, helps us to better understand the normative impact that the Act may have had on company behaviour.