Deals Of The Day: The Latest In Wealth Management M&A – Brown Advisory, Marylebone

Editorial Staff

13 November 2025

Brown Advisory, Marylebone Partners
The . The change of control is expected to take place on 21 November, Brown Advisory said in a statement yesterday.

Marylebone Partners will retain autonomy and decision-making for its existing clients, including Majedie Investments.

The principals of Marylebone Partners have converted their ownership interests into equity in Brown Advisory and all 11 colleagues have formally joined the firm. Other specific financial terms of the change were not disclosed.

“Together, we will be stronger in our ability to deliver differentiated investment solutions across a wider range of strategies. Marylebone Partners’ expertise and thoughtful approach aligns with Brown Advisory’s investment thinking and values,” Quintin Ings-Chambers, partner and head of international business at Brown Advisory, said. “The combination of Brown Advisory and Marylebone Partners adds strength to the investment offering for private clients, charities, family offices and endowments. It also lays the foundation for a leading endowment-style approach tailored to clients based outside of the United States.”

Brown Advisory, which has been a private and independent firm since 1998, has more than 1,000 colleagues, operating in 49 countries from 20 offices globally. As at the end of September 2025, it looked after about $174.5 billion in client assets .