In our study, we have found that French dominates in the restaurant scene of Luxembourg City, both in the direct and indirect (online) communication with their customers. Despite the limited scope and time frame for our research, we were able to provide valuable answers to our research questions. By no means exhaustive or representative of the entire city, these answers paint a detailed and helpful picture of the multilingual language use in restaurants in Luxembourg City. The quantitative data analysis of the online representation of the different restaurants shows that French is predominately used, with English coming second, but by a significant difference. The French restaurants use French the most, whereas for the Italian and Asian restaurants more diversity is observed. Surprisingly German and Luxembourgish contribute scarcely to the online discourse of the selected restaurants.

Through the interviews we conducted with Luxembourg residents, we were able to confirm that French dominates the food service industry and further formulate several hypotheses on why that could be the case. These hypotheses relate the dominant use of French in restaurants to the large number of francophone people both living in Luxembourg and working in the food service industry, as well as the large minorities speaking Romance languages. Additionally, they relate the dominance of French to its status in the Luxembourgish public space and its prestige as a language of culture and culinary arts. For the use of English it can be hypothesized that its status as lingua franca has non-francophone and non-germanic tourists and immigrants resorting to it.