An unexpected event usually channels our attention to the agents involved, rather than considering the agents that should have taken part. This has happened with the EU Referendum campaign, where the European Union did not play a significant role and the spotlight was only placed on the EU institutions after the results were announced. This thesis proposes to study the communication activity of the European Commission, as the executive of the Union, during the campaign period. The main objective is to respond to a guiding research question of how effective the European Commission was in address the British public sphere during the EU referendum campaign. To do so, the research is focused on the institution’s communication via social network sites, with an emphasis on Twitter. The communication of the European Commission is analysed through its central and national accounts. Activities on these channels will be analysed in the light of the national context of Euroscepticism and a compared analysis of the activity of political national agents
