"We have opened an in-depth investigation to assess carefully whether the transaction could lead to negative effects for competition, less choice and higher prices for European customers in the commercial risk brokerage market," said Margrethe Vestager, a European Commission executive vice president, in a release. (Credit: Brent Lewin/Bloomberg)

An in-depth investigation has been opened to look at Aon's proposed acquisition of Willis Tower Watson, the European Commission reported.

The commission stated its concerns are that the transaction would significantly reduce competition in markets for commercial risk brokerage services, reinsurance and provision of retirement as well as health and welfare services to commercial customers. Of particular concern is the impact on brokerage services to large multinational customers in property & casualty, financial and professional services, credit and political risks, cyber and marine.

Want to continue reading?
Become a Free PropertyCasualty360 Digital Reader

Your access to unlimited PropertyCasualty360 content isn’t changing.
Once you are an ALM digital member, you’ll receive:

  • Breaking insurance news and analysis, on-site and via our newsletters and custom alerts
  • Weekly Insurance Speak podcast featuring exclusive interviews with industry leaders
  • Educational webcasts, white papers, and ebooks from industry thought leaders
  • Critical converage of the employee benefits and financial advisory markets on our other ALM sites, BenefitsPRO and ThinkAdvisor
NOT FOR REPRINT

© 2025 ALM Global, LLC, All Rights Reserved. Request academic re-use from www.copyright.com. All other uses, submit a request to [email protected]. For more information visit Asset & Logo Licensing.

Steve Hallo

Steve Hallo is managing editor of PropertyCasualty360.com. He can be reached at [email protected]

Agency Management
Commercial Lines
Personal Lines
Reinsurance