Advertising agency giant Euro RSCG Worldwide, Paris, has acquired a majority stake in German marketing services company Kremer Foerster Hintze, which offers direct and database marketing services, according to wire service reports. Dusseldorf-based KFH, whose clients include PSA Peugeot Citroen, will be merged into the Sales Machine, Euro RSCG’s marketing service operation. Terms were not disclosed.