Who We Are
Cone Marshall is a leading independent and international fiduciary service provider comprised of lawyers, wealth planners, and accountants.
OUR GROUP
What we do
Through our expertise and global relationships, we are consulted by family advisors in over 40 countries.
Led by Geoffrey Cone, our multicultural and diverse team works closely with a global relationship of attorneys, family advisors, private banks, trustees, and other institutions around the globe.
featured news
Geoffrey Cone Recognized by Chambers High Net Worth Guide 2026
August 20, 2026
We are delighted to announce that our Founder and Chairman, Geoffrey Cone achieved another well-earned ranking in the 2026 Chambers High Net Worth Guide. This year marks his ninth consecutive year on the list for Private Wealth Law in New Zealand.
Geoffrey has built Cone Marshall into a network spanning key jurisdictions worldwide, including New Zealand, Switzerland, Uruguay, Hong Kong, the British Virgin Islands, Brazil, the United Arab Emirates, Italy, San Marino, Singapore, the United Kingdom, and the United States. Our U.S. trust company, Teton Trust Company, is based in Jackson, Wyoming. Recent milestones include new licensed trust companies in Singapore, the Cook Islands and Abu Dhabi. The group is also opening an office in Mumbai this year.
Congratulations, Geoffrey, on a career defined by deep expertise in cross-border trust and tax structuring, family succession planning, and asset protection.