GISMA Business School Background GISMA Business School is a private school which was established in 1999 Hannover, Germany. The school has two campuses: Hannover Campus and Schöneberg, Berlin Campus. The Hannover campus the main campus where as Berlin campus is founded in 2016. GISMA Business School Programs and Courses GISMA https://www.gotouniversity.com/university/gisma/ranking