October 14, 2025 — Leads & Copy — Marsh McLennan (NYSE: MMC) announced today it will rebrand as Marsh effective January 2026. The company has also created a new Business and Client Services (BCS) unit to accelerate innovation and centralize investments in operational excellence, data, AI, and analytics.
Marsh McLennan and its businesses will brand as Marsh, featuring a new logo.
“In an increasingly complex environment, clients are seeking advice, solutions, and insights that draw on expertise from across our firm,” said John Doyle, President and CEO of Marsh McLennan. “The changes we announce today reflect the way we continue to bring our Company together to better help our clients overcome challenges and find opportunity.”
The new brand represents the company’s market-leading, specialized capabilities across risk, reinsurance and capital, people and investments, and management consulting. The company’s four businesses will adopt the Marsh brand beginning in 2027, following a transition period.
Mr. Doyle noted that the new Marsh brand will also symbolize everything the company has to offer: a distinct combination of capabilities in professional services, scale and specialization for clients, enabled by cutting-edge AI and analytics.
John Jones, Chief Marketing and Communications Officer of Marsh McLennan, stated that unifying under one brand will accelerate the impact delivered to the marketplace and give clients even greater confidence to thrive through the power of perspective.
After the transition period, Marsh and Mercer will each go to market under the new Marsh brand. Guy Carpenter will be Marsh Re. Oliver Wyman will go to market as Oliver Wyman, a Marsh business, while the operating unit Oliver Wyman Group will become Marsh Management Consulting.
The company’s stock ticker symbol will become “MRSH” in January 2026.
BCS brings together the firm’s technology, data and operations teams under the leadership of Paul Beswick, Marsh McLennan’s Chief Information and Operations Officer. 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.
Mr. Beswick said that the rapid development of AI, and the insights it can derive from the company’s data, will help unlock new opportunities for its clients and colleagues.
Mr. Doyle added that with the changes announced, the company’s brand will embody the greater value it can create for all stakeholders, while BCS will drive enhanced client service, reflecting the company’s steadfast commitment to delivering meaningful outcomes and exceptional experiences for its clients and colleagues.
Marsh McLennan (NYSE: MMC) advises clients in 130 countries across four businesses: Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of over $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective.
Contact:
John Jones
Chief Marketing and Communications Officer of Marsh McLennan
Source: Marsh McLennan
