The aim of the article is to analyse the efforts to liberalise the trade in services as part of the negotiations of the Transatlantic Trade and Investment Partnership (TTIP). This subject has been addressed due to the significance of the services sector for the economy of the United States and the EU Member States as well as because of the considerable impact that liberalisation of trade in this sector would have on the development of the two economies and given the potential threats that could arise from it. The article analyses the state of the TTIP negotiations in the field of services, especially the published EU negotiations documents. The analysis will identify the main contentious areas, in which significant liberalisation commitments will be difficult to achieve. The article has been divided into five parts. Part one is the introduction, which identifies the aim of the article and the thesis that would be verified. Part two describes the extent of TTIP negotiations and the proposed structure of the agreement. Part three presents the EU’s position in the negotiations on the basis of the publically available records of the draft agreement, in particular the part thereof that concerns services, investments and electronic trade as well as the proposed detailed commitments included in the annexes to the proposal. Further, the author discusses the sectors in which the two parties have defensive interests and which are therefore likely to encounter greater obstacles to liberalisation than it is the case with other service sectors. The last part of the article is a summary, comprising conclusions from the analysis and pointing out the potential benefits of liberalising the trade in services for the TTIP parties.