TheoS will also serve as a core for a wider platform for nuclear theory in Europe. Although the present JRA is built on five main nodes, this ambitious research programme is realised in close collaboration with associate partners: Univ. Surrey, Univ. Warsaw, Univ. Zagreb, IST-Univ. Lisboa, Univ. Padova, CEA, CENBG Bordeaux, Univ. Bucharest, Univ. Autonoma Madrid, Univ. Granada, INFN-Pisa, Univ. Erlangen, LM-Univ. München, Mines-Nantes, Univ. Frankfurt, TU München, Univ. Barcelona, Univ. and INFN-Catania, IFIN-HH Bucharest.