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Private Equity House Takes Minority Stake In Mourant

Tom Burroughes

5 August 2026

has taken a minority stake in its business for an undisclosed sum.

“The investment will support our continued focus on delivering exceptional client outcomes. This includes further investment in technology, particularly in AI-enabled systems and data infrastructure, and in our people, through enhanced career pathways and the development of next generation talent,” Mourant said in a statement. 

The move is another example of private equity money entering the M&A sector for wealth management and the professional services sector. MML, founded in 1988 and headquartered in London, has €4.7 billion ($5.4 billion) in assets under management, according to its website. 

Control of the Mourant group, and its leadership, will remain with existing owners. Control and ownership of the law firm entities will remain with the relevant locally-qualified partners, Mourant said. Where required, regulatory notifications and approvals are being progressed with the relevant authorities in each jurisdiction in which the firm operates.

Mourant has about 1,000 people in its businesses and offices in nine international financial centres. It advises on the laws of the British Virgin Islands, the Cayman Islands, Guernsey, Jersey and Luxembourg. It also provides specialist entity management, governance, regulatory and consulting services.

Mourant said its existing owner-managers are co-investing alongside MML.

“This investment does not change what we are building. It changes the pace at which we can build it,” Jonathan Rigby, Mourant chief executive, said in a statement. "Bringing deep sector experience, MML shares our high conviction in the integrated services platform, in the opportunity ahead of us, and in the team we have assembled. Our clients can expect the same Mourant they know, for the long term, with greater capability and momentum behind it.”

Mourant was advised by Rothschild & Co, Dejonghe & Morley, Addleshaw Goddard, PwC, Deloitte and FractionGC. MML was advised by Baird, Oliver Wyman and Pinsent Masons.