Amex GBT Claims ‘Highest’ Net Promoter Scores Based On McKinsey Survey It Won’t Share
Among the materials made public last week by American Express Global Business Travel was a chart showing how the Net Promoter Score for Egencia and Amex GBT exceeded those of some key rivals, in some cases by quite a bit. GBT didn’t conduct the study; McKinsey & Co. ran it in July and August for…