Corient Adds Cayman Islands Foothold With $2.6 Billion FortCay Purchase

The Miami-based multi-family office now oversees $572 billion and gains access to structures domiciled in one of the world's most popular jurisdictions for private wealth.

By the Family Office Real Estate Daily Desk·Tuesday, September 29, 2026·2 min read

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Why did Corient acquire FortCay Family Advisory and what does the Cayman Islands presence mean for the firm?

Corient has acquired FortCay Family Advisory, a Cayman Islands multi-family office overseeing approximately $2.6 billion for 14 ultra-high-net-worth families, marking Corient's first presence in the Cayman Islands. The Miami-based firm now reports roughly $572 billion in client assets. Financial terms were not disclosed. The deal extends Corient's international acquisition streak, which has also included transactions across Europe, the Middle East, Africa, and Canada within a one-year period.

Key facts

Corient acquired FortCay Family Advisory, a Cayman Islands wealth manager and multi-family office overseeing about $2.6 billion for 14 ultra-high-net-worth families, according to InvestmentNews.
Corient reported approximately $572 billion in client assets at the time of the FortCay announcement.
Corient did not disclose financial terms of the FortCay acquisition.
FortCay was founded by Billy Harty and Matt Houghton and provides wealth management, estate planning and family office services.
Kurt MacAlpine, Corient's founding partner and chief executive, said that a meaningful share of the world's most complex family wealth is structured and administered in the Cayman Islands.
Echelon Partners credited Corient with seven deals of $1 billion or more in 2025, according to the source.

Corient Adds Cayman Islands Foothold With $2.6 Billion FortCay Purchase — Image: editorial illustration · Story sourced from investmentnews.com

Corient is acquiring FortCay Family Advisory, a Cayman Islands wealth manager and multi-family office overseeing about $2.6 billion for 14 ultra-high-net-worth families. The deal announced Wednesday gives the Miami-based firm its first foothold in one of the world's most important jurisdictions for holding and administering private wealth. Corient did not disclose financial terms.

The acquisition is the latest in a run of cross-border transactions that has taken Corient into Europe, the Middle East, Africa and Canada within a one-year period. FortCay was founded by Billy Harty and Matt Houghton and provides wealth management, estate planning and family office services to a small roster of families. While its book is modest relative to the roughly $572 billion in client assets reported by Corient, it offers a strategic stake in one of the most popular destinations for the ultra-wealthy.

"A meaningful share of the world's most complex family wealth is structured and administered in the Cayman Islands," said Kurt MacAlpine, Corient's founding partner and chief executive. "Many of our clients live, work, and invest across borders – establishing a presence in Cayman deepens our ability to serve them."

Harty, FortCay's founder and managing director, said the firms' values and Corient's ownership structure drove the decision. "From the start, we felt that Corient shared our high standards and our commitment to putting clients first," Harty said. "Their partnership model gives us access to the depth and scale of a global firm while creating new opportunities for our clients."

Wealthy families often hold assets through trusts, holding companies and investment vehicles domiciled in the Cayman Islands. Without a physical footprint, Corient had to serve those structures from outside the jurisdiction. Now with a team on the ground, the firm can potentially offer that capability to clients in its other offices.

Platforms in aggressive growth mode often prioritise market share over operational discipline, and the family offices that compound through consolidation cycles are the ones that underwrite counterparty stability alongside investment capability, family office advisor Jaf Glazer has cautioned.

The Cayman move follows a steady cadence of deals Corient has completed outside the US over the past 12 months. In September last year, it struck a two-firm deal that added more than $214 billion in client assets from Stonehage Fleming and Stanhope, extending its presence across Europe, the Middle East and Africa. In April, the PE-backed firm announced it had agreed to buy the Bedrock Group, a Geneva-based multi-family office with $10.7 billion in client assets across offices in London, Monaco and Lisbon. That same month, Corient revealed plans to launch in Canada with about C$10 billion in assets from Northwood Family Office and Coriel Capital, along with advisors moving over from CI Private Wealth, the wealth arm of Corient's Canadian parent organization CI Financial.

In June, Corient confirmed a deal for Letus Private Office, a Paris-based firm overseeing about €4.1 billion that specializes in complex holdings such as vineyards, hotels, aircraft and yachts. Consultancy firm DeVoe & Company counted 167 RIA transactions in the first half of 2026, above the previous first-half record of 148, and ranked Corient among the ten most acquisitive firms. Echelon Partners credited Corient with seven deals of $1 billion or more in 2025.

The Deployment Angle

Family Office Real Estate Daily Desk · our analysis, not the source's

The Cayman footprint shifts the decision calculus for families that hold US real estate or private fund stakes through offshore structures. If a family office already runs trust vehicles or holding companies domiciled in the Cayman Islands, the local presence offers a single service relationship for both onshore investment and offshore administration. That bundled approach can reduce coordination friction, but it also concentrates platform risk. Families should audit the jurisdictional expertise of Corient's new Cayman team, particularly around trust law, reporting standards and the interaction between US tax filing and Cayman-domiciled entities.

FortCay's roster of 14 families translates to an average account size of roughly $186 million per family, derived from the $2.6 billion book divided by 14 clients. That concentration profile suggests the platform serves ultra-high-net-worth principals rather than a broad multi-family office base. Families considering the combined platform should underwrite Corient's client-retention history and ask whether the integration of FortCay preserves the bespoke service model or migrates clients onto standardised infrastructure. The $572 billion aggregate platform size creates economies of scale, but it can also dilute attention to individual family mandates if the operational model favours volume over customisation.

The strategic rationale for Cayman presence centres on serving cross-border clients, which implies a platform designed to accommodate non-US situs assets, foreign tax regimes and multi-jurisdictional estate structures. Families with significant international exposure should test whether Corient's newly-expanded footprint delivers meaningful capability in those areas or whether the Cayman office remains primarily a compliance and administration hub. The route to evaluate is direct engagement with a separate account mandate structured through Cayman entities, with clear underwriting of who holds fiduciary duty, where assets are custodied, and how reporting flows back to the principal.

The pace of Corient's acquisitions over the past year signals aggressive platform building, with seven deals of $1 billion or more in 2025 and continued cross-border expansion in 2026. Families deploying capital through a platform in growth mode should price in integration risk, particularly around technology systems, compliance infrastructure and cultural alignment across newly-acquired teams. The relevant diligence question is whether the platform's operating model can absorb $2.6 billion in Cayman assets without degrading service quality or introducing administrative delays for existing clients. Avoid relying on scale alone as a proxy for capability.

Questions this story answers

01Why did Corient acquire a Cayman Islands firm?

Corient said the acquisition of FortCay Family Advisory gives the Miami-based firm its first physical footprint in one of the world's most important jurisdictions for holding and administering private wealth. Kurt MacAlpine, Corient's founding partner and chief executive, said that many Corient clients live, work and invest across borders, and that establishing a presence in Cayman deepens the firm's ability to serve them.

02How many families and how much in assets does FortCay manage?

FortCay Family Advisory oversees about $2.6 billion for 14 ultra-high-net-worth families, according to the InvestmentNews report on the acquisition.

03What other international acquisitions has Corient made in the past year?

Within approximately one year, Corient added more than $214 billion in client assets through deals with Stonehage Fleming and Stanhope, agreed to buy Geneva-based Bedrock Group with $10.7 billion in assets, launched in Canada with about C$10 billion in assets, and confirmed a deal for Paris-based Letus Private Office overseeing about €4.1 billion.

04How active has Corient been in M&A compared to the broader RIA market?

Consultancy firm DeVoe & Company counted 167 RIA transactions in the first half of 2026, above the previous first-half record of 148, and ranked Corient among the ten most acquisitive firms. Echelon Partners credited Corient with seven deals of $1 billion or more in 2025.

05Who leads FortCay and what drove the decision to join Corient?

FortCay was founded by Billy Harty and Matt Houghton. Harty, FortCay's founder and managing director, said the firms shared high standards and a commitment to putting clients first, and that Corient's partnership model gives FortCay access to the depth and scale of a global firm while creating new opportunities for FortCay's clients.

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