Marsh McLennan to rebrand as Marsh in 2026 with new tech unit

The firm’s four main businesses will adopt the Marsh brand beginning in 2027. 

Marsh McLennan will rebrand as Marsh starting January 2026 and has created a new unit, Business and Client Services (BCS), to drive innovation and streamline operations across data, AI, and analytics.

Under the new structure, the firm’s four main businesses will gradually adopt the Marsh brand beginning in 2027. 

Marsh and Mercer will operate under the new brand name, Guy Carpenter will become Marsh Re, and Oliver Wyman will continue to go to market as Oliver Wyman, a Marsh business. 

The Oliver Wyman Group will be renamed Marsh Management Consulting.

The company’s stock ticker will also change from MMC to MRSH in January 2026.

“Through BCS, the company will create a data and technology ecosystem that harnesses AI and other technologies to enhance client outcomes across its businesses while delivering operational excellence and efficiency,” it said in a statement.