The School of Social Sciences has established and maintains numerous contacts to universities and research institutions throughout the world. In addition, there are important research centers located in Mannheim and associated with the School, among them
- the Mannheim Center for European Social Research (MZES), which is the largest university-based research institute in the German social sciences, with about 100 scholars working on numerous research projects on social and political developments in Europe;
- the Otto-Selz-Institute for Applied Psychology (OSI), which hosts interdisciplinary research in various subfields of psychology in collaboration with several healthcare organizations;
- the interdisciplinary collaborative research center on The Political Economy of Reforms (SFB 884) which investigates success and failure of policy reforms by analyzing competing interests, contexts and the political process of reform-making;
- the Research Unit on Contextualized Decision-Making (FOR 1410), which is a joint endeavor of cognitive and social psychologists. Their research projects aim at identifying and disentangling the mediating cognitive processes and the moderating variables that affect decision making;
- the Leibniz Institute for the Social Sciences (GESIS), which is part of the independent Leibniz Association. It is the largest institution in Germany to provide infrastructure for empirical social science research on scales from the regional to the international;
- the Central Institute for Mental Health (ZI), which is a major independent center for the treatment of, education about and research on mental illnesses – from depression, ADHS, addiction diseases to schizophrenia, dementia or phobias;
- the Centre for European Economic Research (ZEW), which is one of the leading institutes in the field of applied economic research in Europe. It focuses on internationally comparative issues in the European context and maintains a number of important databases. Like GESIS, it is a member of the Leibniz Association.