List of the Best Family Offices - Investor Directory [2026]

The U.S. is home to the largest concentration of family offices globally—estimated at over 3,000 single-family offices, and thousands more multi-family offices. The total number continues to grow as more generational wealth shifts toward direct investing. Many are still figuring out how to work with startups, which means timing and targeting matter.

The U.S. has the highest concentration, with hubs in New York, Los Angeles, Miami, and San Francisco. Globally, London, Singapore, and Hong Kong also host a significant number of family offices, especially multi-family offices serving multiple wealthy families.

The Walton Family Office, managing the wealth of the Walmart heirs, is widely considered the largest in the world with assets estimated around $450 billion. They invest across public markets, private equity, and select startups—often in areas that align with Walmart or the family’s philanthropic interests.

New York City is home to some of the most influential family offices, including Rockefeller Global Family Office, MSD Capital (Michael Dell), and Soros Fund Management. These offices are highly active in venture and private investments, and many have dedicated teams focused on sourcing startups with strong growth potential.

Start by identifying family offices whose investment focus aligns with your startup. Leverage warm introductions through your network or platforms like OpenVC to get your foot in the door. When you meet, lead with a clear pitch, strong metrics, and a growth plan—show how your startup fits their long-term goals and mission. Follow up strategically and build the relationship over time; persistence and alignment often matter more than speed.