This thesis explores the use of English loanwords in French discourse found on seven France-based corporate websites and the website of one government ministry in France. The following overarching question guided this research project: To what extent are English loanwords used in French for marketing purposes or other reasons? As expected, the results varied greatly from website to website, but it is clear from my analysis of this relatively small corpus that the use of English is widespread in French discourse. In this thesis, I allowed myself to engage in some speculation based on my own background and experiences. I acknowledge that further research is needed in order to provide a more comprehensive analysis of English loanwords in French since this is a very complicated topic that can be approached from many different angles.