08:19 AM EDT, 10/14/2025 (MT Newswires) -- Marsh & McLennan Companies ( MMC ) said Tuesday that it will change its brand to Marsh, effective January 2026, with all four of its businesses adopting the Marsh brand beginning in 2027.

After the transition period, Marsh and Mercer will each go to market under the new Marsh brand, while Guy Carpenter will be Marsh Re, the company said. Oliver Wyman will go to market as Oliver Wyman, a Marsh business, and the operating unit Oliver Wyman Group will become Marsh Management Consulting, the company added.

With respect to the changes, Marsh & McLennan's ( MMC ) stock ticker symbol will become "MRSH" in January 2026, according to a statement.

Additionally, Marsh & McLennan ( MMC ) said it launched a new unit, Business and Client Services, aimed at furthering investments in artificial intelligence, analytics, and data.