Optima S.A. acquired 70% stake in Domokos S.A. from P.G. Nikas S.A. for €5.4 million in September 2017. Pwc advised in the deal. Optima S.A. completed the acquisition of 70% stake in Domokos S.A. from P.G. Nikas S.A. for €5.4 million in September 2017.