Primus Collegium is a student union governed by the student board of Tallinn University’s law faculty in Helsinki. Every student graduating from the Helsinki unit of Tallinn University can become a full member of the student union. A graduate member may, if they wish, continue their membership as an alumni member. The purpose of the association is to act as an interest organization for students and to support the learning and social well-being of its members. Primus wants to enhance Finnish student culture through its activities.