Best Single Family Offices Companies in New York City, United States
The 150 best Single Family Offices companies in New York City, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: The Sapir Organization.
Ranked: Best Single Family Offices companies in New York City
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | The Sapir Organization Real estate development and asset management, strategically positioning unique properties | $115M | 89 mo ago | Funding Raised | Sharon Raz Chief Executive Officer | 2010 | WebflowTypekitGoogle Font API+11 | — | — |
| 2 | The Durst Organization Develops & builds residential & commercial buildings backed by the Durse Family | — | 81 mo ago | Funding Raised | Joseph Durst Founder | 1915 | Apple iCloud MailBackbone.jsPhusion Passenger+11 | — | — |
| 3 | 166 2nd Financial Services Family office investing in multiple sectors | — | — | Unfunded | — | 2013 | — | — | — |
| 4 | Access Industries Global investment firm unlocking potential in diverse sectors through financial backing | — | — | Unfunded | Len Blavatnik Founder | 1986 | WordPressMySQLPHP+11 | 125 patents Vascular access devices and truck cap systems for material exclusion and safety | 1 partnership |
| 5 | Accurent Ventures Venture capital fund focused on multiple sectors | — | — | Unfunded | William Corbett Founder & Managing Partner | 2009 | — | — | — |
| 6 | Advance VC & family office focused on multiple sectors | — | — | Unfunded | Alberto Montagna Founder | 1922 | Squarespace CommerceSquarespaceTypeScript+17 | 36 patents Microfluidic multi-path sample collection and fluid separation cards for diagnostic testing | — |
| 7 | Aeterna Capital Single-family office focused on healthcare and blockchain investments | — | — | Deadpooled | Emil Bailey Founder | 2015 | — | — | — |
| 8 | Aeterna Capital Partners Family office of Patrick McCloskey making PE investments | — | — | Unfunded | Patrick McCloskey Founder & Managing Partner | 2013 | — | — | — |
Top 2 Single Family Offices companies in New York City
#1
Funding Raised · New York City, New York · founded 2010$115Mraised▾
Real estate development and asset management, strategically positioning unique properties. The company leverages creative approaches and experience to develop iconic real estate assets and ground-up development opportunities. It focuses on transforming spaces into architectural and cultural landmarks. The company is dedicated to creating exquisite and beautifully crafted spaces. It has a visionary approach to real estate, elevating properties to new heights. The company's work continues to inspire and shape the landscape of the sector. It is known for its keen eye for prime locations and acute business sense. The company supports cultural preservation and helps others achieve their dreams.
- Jan 2019Conventional Debt$115M
#2
Funding Raised · New York City, New York · founded 1915 · 529 employees—raised▾
Develops & builds residential & commercial buildings backed by the Durse Family
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Single Family Offices coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.