[en] This paper examines to what extent the internal market fundamental freedom to receive trade union services in a different Member State could be relied on to enhance labour protection within the European Union. Arguing that Article 56 TFEU and the 2006 services Directive in theory can at least play a basic role in this regard, the paper offers an overview of the scope and limits of the freedom to receive services in this context. That analysis also permits to question the extent to which the cross-border receiving of trade union services could be exploited further as an additional means further to contribute to the realisation of a more social Europe