- Watchdog investigates hotel chains over suspected data-sharing The Times
- CMA launches investigation into hotel chains GOV.UK
- The room where it happens: The Briefing for 2 March 2026 Global Competition Review
- UK competition watchdog probing Hilton, IHG, Marriott, CoStar for information sharing marketscreener.com
- Hotel chains and data firm under investigation over possible information sharing Andover Advertiser


