This article places the current legal framework governing posted work within the debate on ‘Europeanisation’ in order to assess to what extent the Posted Workers Directive may be seen as a successful tool to ‘Europeanise’ national labour law systems as assessed against its dual objectives of promoting the transnational provision of services while also guaranteeing respect for the rights of workers. In doing so, the article contextualises and analyses the Posted Workers Directive which allows for the identification of remaining gaps in protection. The article concludes with an assessment of the European Commission’s most recent proposal to amend the Directive.