Writing reports and theses based on their internships allows students to reflect on their work practice in the light of the theory and models they have learned about in class.

The DUT thesis, a report on the students' first internship, is written during the second year and is presented in an oral examination to a jury in order to pass the second year.

The Licence thesis is completed during the third year of study, and is a requirement to obtain the French Licence d’Economie-Gestion degree.

The Bachelor thesis is written during the seventh semester internship and presented to a trinational jury in order to obtain the Swiss Bachelor of Science degree and the German Bachelor of Arts degree.