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    3. >UK competition watchdog launches probe into information sharing among hotels
    Finance

    UK competition watchdog launches probe into information sharing among hotels

    Published by Global Banking & Finance Review®

    Posted on March 2, 2026

    2 min read

    Last updated: March 2, 2026

    UK competition watchdog launches probe into information sharing among hotels - Finance news and analysis from Global Banking & Finance Review
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    Tags:FinanceMarketsRegulation

    Quick Summary

    The 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.

    UK watchdog probing Hilton, IHG, Marriott, CoStar for data sharing

    Competition and Markets Authority launches investigation into hotel data sharing

    Overview of the Probe

    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.

    Concerns Over Data Sharing

    "...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.

    Role of CoStar and STR in the Industry

    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.

    Responses from Companies Involved

    CoStar's Statement

    "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.

    Previous Legal Challenges

    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.

    Other Company Responses

    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 Credits

    (Reporting by Prerna Bedi in Bengaluru; Editing by Mrigank Dhaniwala and Susan Fenton)

    Table of Contents

    • Competition and Markets Authority launches investigation into hotel data sharing

    Key Takeaways

    • •The CMA is investigating whether hotel chains used CoStar’s STR-based Benchmark tool to share sensitive data like pricing, occupancy or revenue, raising antitrust concerns.
    • •CoStar acquired STR—an industry-standard hotel benchmarking service—in 2019, giving it access to extensive hotel performance data used by major hotel chains for strategic decisions.
    • •The probe follows similar CMA investigations into information sharing in other sectors, such as housebuilders and banks, underscoring the regulator’s focus on preventing anti‑competitive collaboration.

    Frequently Asked Questions about UK competition watchdog launches probe into information sharing among hotels

    1Which hotel chains are being investigated by the UK competition watchdog?

    Hilton, InterContinental Hotels, and Marriott are being investigated.

    2What is the UK competition regulator investigating?

    The regulator is probing possible sharing of sensitive information among hotel chains via CoStar's analytics tool.

    Overview of the Probe
  • Concerns Over Data Sharing
  • Role of CoStar and STR in the Industry
  • Responses from Companies Involved
  • CoStar's Statement
  • Previous Legal Challenges
  • Other Company Responses
  • Reporting Credits
  • 3
    Who are the parties involved in the investigation?

    Hilton, InterContinental, Marriott, and CoStar are under investigation.

    4Which authority is conducting the investigation?

    The UK's Competition and Markets Authority is carrying out the probe.

    5What kind of information is at the center of the investigation?

    The focus is on competitively sensitive information potentially shared through hotel data analytics.

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