List of the 70 largest Multi Family Offices UK [2026]

List of 3 large UK multi-family offices

The United Kingdom has always been a popular destination for ultra-high-net-worth individuals. In modern times, this number is constantly rising. As a result, these families and individuals seek personalised wealth management. The UK multi-family offices are managing billions of pounds. London is particularly renowned as one of the top five global hubs for family offices, alongside New York, Zurich, Singapore and Hong Kong. To provide an overview of the UK’s multi-family office landscape, we have compiled a list of the top 50 multi-family offices in the country, three of which are presented here.

1. Stanhope Capital (London)

Stanhope Capital calls itself only a “wealth management” firm, but the majority of its clients are high-net-worth families. The important London-based multi-family office is, amongst others, managing the wealth of the Duchy of Lancaster, which is the private estate of the Queen. In 2020, Stanhope merged with FWM Holdings, thereby creating a $24 billion multi-family office “giant”. The UK multi-family office divides its services into the areas “investment management”, “consulting”, “private investments”, and “marchant banking”. In the “Investment Management” vertical, the family office provides an Outsourced Chief Investment Officer service, supporting the family in their wealth management strategy.

2. J. Stern & Co. (London, Zurich)

London-based J. Stern looks back on a 200-year-old history in banking. Today, the multi-family office is represented by the sixth generation of the Stern family. Clients of the multi-family office invest alongside the Stern family. Services of J. Stern are separated into “Investment Management”, “Private Office” and dedicated funds. J. Stern has had a New York City office since 2023, enabling it to expand into the North American family office market. The company also has offices in Malta and Zurich.

3. Stonehage Fleming (London)

Another central British multi-family office is Stonehage Fleming. With over 40 years of experience, Stonehage’s clients have entrusted the firm with more than $55 billion in assets. In total, the family office manages over $150 billion. Services offered by Stonehage range from investment management and succession planning to legal and tax advisory services, as well as specialized services such as art management, philanthropy, and private equity. Today Stonehage Fleming operates 11 offices in 8 countries.

Picture source: Heidi Sandstrom via Unsplash