AUM
Estimated $20-25B (based on combined net worth)
Principals
4
Principal Net Worth
$9.4B
Data Flags
UK's wealthiest brothers, major real estate and technology investors
Reuben Family Office
SFOHigh ConfidenceLondon, United Kingdom / Monaco
Last verified: Jan 17, 2026
Details
- Source of Wealth
- Real Estate, Technology, Data Centers
- Assets Under Management
- Estimated $20-25B (based on combined net worth)
- Source File
- research/organizations/reuben-family-office.md
- UID
- fo-reuben-family-office
Also Known As
David Reuben Family OfficeSimon Reuben Family OfficeReuben Brothers Family OfficeReuben Capital
Principals (4)
Team Members (1)
Related Entities (5)
GlobalSwitchSubsidiary
Data center business (former 49% stake sold 2016)
Newcastle United FCSubsidiary
Minority ownership stake
Real estate holdingsHolding Company
UK property investments including Vistry Group stake
Reuben BrothersSubsidiary
Family investment vehicle
Reuben FoundationFoundation
Philanthropic organization ($130M recent gift)
Relationship Strength
Loading relationships...
Sources (5)
- https://www.forbes.com/profile/david-reuben/
- https://www.reubenbrothers.com/meet-the-reubens-the-mysterious-u-k-family-taking-the-wynwood-restaurant-kyu-global/
- https://familyofficehub.io/blog/the-5-wealthiest-british-billionaires-and-their-family-offices/
- https://www.bloomberg.com/billionaires/profiles/simon-reuben/
- https://lifestylesmagazine.com/latest-news/130-million-latest-gift-from-philanthropists-david-and-simon-reuben-deepens-their-global-impact-with-ongoing-landmark-philanthropic-contributions/
Changelog
- 2026-01-17UPGRADED to High confidence - Forbes (#185 David), Bloomberg ($12.8B Simon), Wikipedia/Sunday Times (£24.9B combined) all confirm multi-billionaire status
- 2026-01-16Enriched with biography for both brothers, updated combined net worth to $19B+, added Baghdadi Jewish background, GlobalSwitch, Reuben Foundation philanthropy, Newcastle United, updated confidence to Medium
- 2026-01-15Auto-generated from principal David Reuben