Sotheby’s International Realty has launched a specialist family office division to provide global multi-millionaires and billionaires with wealth and investment advice and access to the world’s finest trophy real estate, fine art, jewellery and automotive collections.

The division, called The Family Office, will act as a singular point of contact for global ultra-high-net-worth clients looking to buy property in the UK.

It has been founded by Marcus O’ Brien, who is best known for the sale of a £225m mansion at 2-8a Rutland Gate in Knightsbridge.

O’ Brien said: “The Family Office will act as a singular point of contact for existing and future UHNW clients globally for services at the highest levels of seniority across our partners including Sotheby’s International Realty, Sotheby’s esteemed Auction House, RM Sotheby’s and Sotheby’s Financial Services.

“The Family Office will be a bridge for this network and provide clients with senior-level expertise and a comprehensive understanding of global luxury markets, allowing us to provide a truly exceptional and bespoke service to our esteemed clientele, while unlocking global investment opportunities.”

George Azar, chairman & CEO of UK Dubai and Saudi Arabia Sotheby’s International Realty, added: “The Family Office of UK Sotheby’s International Realty will focus on the creation of enduring value for our esteemed Ultra-High-Net-Worth global clients in their pursuit of acquiring and managing the world’s most coveted trophy real estate and luxury assets, not available through other sources or the open market.”