Cains is delighted to have acted as Isle of Man counsel to Stonehage Fleming, one of the world’s leading independently owned multi-family offices, on its combination with Corient, a leading US-based wealth advisor.

Stonehage Fleming is a global leader in family office and fiduciary services, with nearly 50 years of experience supporting some of the world’s most prominent families and wealth creators. The firm has over $175bn in combined assets across 14 jurisdictions.

The transaction, which also included Stanhope Capital Group, brings together three pre-eminent firms to create a global independent wealth management and advisory group with more than $430 billion in assets under management and advice. The acquisitions are expected to close in the first half of 2026.

Cains’ involvement in the deal highlights the firm’s ability to support matters of international scale and significance. Drawing on the strength and depth of its top tier Corporate and Finance practices, Cains delivered seamless and comprehensive legal advice across disciplines, reinforcing its position as the largest independent corporate and commercial law firm in the Isle of Man.

The Cains team was led by Scott Leonard-Morgan (Head of Corporate) and Richard Kniveton (Senior Solicitor, English-qualified).