Firm PROFILE

Cone Marshall

High Net Worth 2026

Rankings

Leading firm in High Net Worth 2026

Ranked Individual

Top figures

18

Offices

150

Company Size

1998

Established Year

Content provided by Cone Marshall

Contributions and articles

2 Global Practice Guides

Overview

Provided by Cone Marshall

Cone Marshall is an international, independent trust and fiduciary services company built on decades of cross-border wealth experience. Founded as a law firm in New Zealand in 1998, our lawyers, accountants, and trust officers apply their legal expertise to help clients preserve legacies and plan succession. Today, our global presence spans 14 offices, including the USA, across key wealth planning jurisdictions, serving high-net-worth families with personalized, legally focused trustee services.

Industry sectors (4)

Trust Services
Fiduciary Services
Wealth Advisory
Legal Services

Key people

Provided by Cone Marshall

Geoffrey Cone
Founder & Chairman
Katrina Robinson
Chief Executive Officer

Work & experience

Provided by Cone Marshall

We work with lawyers, family advisors, and private banks to establish trusts holding assets of any class, including financial investments, real estate, businesses, and art collections. Cone Marshall is independent, offering unbiased guidance, with legal services provided by our New Zealand office. Our offices advise and administer sophisticated trust structures for high-net-worth families, specializing in trust administration, family governance, and complex multi-jurisdictional structures.