Trasys originated from Tractebel Engineering (GDF SUEZ Group) in 1981. In 2006 Trasys became an independent company owned by CNP, AvH and Management. In October 2015, the Trasys Group was acquired by the NRB Group to form one of the largest ICT groups in Belgium, employing more than 2000 collaborators and realising a turnover greater than 300 million euros. By leveraging business insight and expertise, Trasys has expanded in various sectors over the years. While headquartered in Belgium, Trasys has also developed various office locations to ensure customer proximity and intimacy for its international projects, including a near-shore center in Athens. In January 2017, Trasys International is created as a European Economic Interest Grouping (EEIG) by two members: NRB S.A. and Trasys Luxembourg PSF.