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Hilton, IHG Hotels, Marriott, CoStar probed by UK CMA over data-sharing (update*)

By Simon Zekaria ( March 2, 2026, 08:47 GMT | Insight) -- Hotel chains Hilton, IHG Hotels and Marriott, as well as commercial real estate information company CoStar, are being investigated by the UK competition regulator over suspected anticompetitive data-sharing practices. The Competition and Markets Authority said the probe concerned the sharing of sensitive information using a hotel data-analytics tool.Hotel chains Hilton, IHG Hotels and Marriott, as well as commercial real estate information company CoStar, are being investigated by the UK Competition and Markets Authority over suspected anticompetitive data-sharing practices....

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