Steigenberger. According to the 2006 European Guest Satisfaction Index Study of the market research agency J. D. Power, Steigenberger Hotels have the happiest guests. 12,090 Europeans were questioned i.e. on bookings, rooms, service, buildings and costs. Results showed that the German hotel group was number one in all seven fields of the “upper upscale” segment. The average satisfaction rate in the segment was 757 out of 1,000 points, Steigenberger scored 795.  www.steigenberger.de