London skyline silhouette at dusk with Big Ben and the London Eye - The Largest Family Offices in London

The 5 Largest Family Offices in London (2026)

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Here are five of the largest family offices in London from our database - offices managing the wealth of billionaire families and major investors - along with their websites:

  1. Grosvenor
    Grosvenor is the international organization of the Grosvenor family, encompassing the Grosvenor single family office and Rural Estates.
  2. Hinduja Group
    Hinduja Group is a global family conglomerate with diversified holdings across multiple sectors and countries.
  3. John Swire & Sons (Swire)
    John Swire & Sons is the parent of the Swire Group, whose diversified operating companies include Swire Pacific and Swire Coca-Cola.
  4. RIT Capital Partners
    RIT Capital Partners is a London-listed investment company historically associated with the Rothschild family.
  5. Virgin Group
    Virgin Group is a private group founded by Sir Richard Branson that owns and invests across multiple sectors and brands globally.

For more information and listings of active family offices:

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