Published by Global Banking & Finance Review®
Posted on March 2, 2026
2 min readLast updated: April 2, 2026
Add as preferred source on GoogleThe UK’s Competition and Markets Authority has launched a probe to determine if Hilton, InterContinental Hotels, Marriott, and CoStar (via STR data) have exchanged competitively sensitive information through CoStar’s hotel benchmarking analytics, potentially violating competition law.
March 2 (Reuters) - The UK's competition regulator launched a probe on Monday into whether hotel chains Hilton, InterContinental Hotels and Marriott were sharing competitively sensitive information using a hotel data analytics tool, which could potentially make their prices less competitive for the consumer.
The Competition and Markets Authority said the three companies were under investigation along with commercial real estate data and analytics company CoStar which owns a tool providing hospitality data insights.
"...when rival businesses share competitively sensitive information - including through a third-party data analytics provider - this reduces the uncertainty competing businesses normally have about how each other will act. This can affect how strongly companies compete because it makes it easier for
them to predict what each other will do and coordinate their behaviour," CMA said in a statement.
CoStar's hospitality data business STR, provides data on the industry's standard metrics such as occupancy, average daily rates for rooms and revenue per available room, making it easier for hotels to decide room charges, lower costs and match supply with demand.
"We are surprised at the CMA's interest in a long-standing hotel data analytics and benchmarking platform, that for decades has been used by companies and government entities alike to better assess market dynamics," a CoStar spokesperson said in an emailed statement. The company said it was co-operating with the investigation.
CoStar along with Hilton, Marriott, Hyatt and other hotels in September last year defeated a consumer lawsuit in the U.S. claiming they improperly shared revenue and other data to keep room prices artificially high.
IHG said it will co-operate with CMA's inquiries, while Marriott and Hilton did not immediately respond to requests for comment outside U.S. business hours.
(Reporting by Prerna Bedi in Bengaluru; Editing by Mrigank Dhaniwala and Susan Fenton)
Hilton, InterContinental Hotels, and Marriott are being investigated.
The regulator is probing possible sharing of sensitive information among hotel chains via CoStar's analytics tool.
Hilton, InterContinental, Marriott, and CoStar are under investigation.
The UK's Competition and Markets Authority is carrying out the probe.
The focus is on competitively sensitive information potentially shared through hotel data analytics.
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