J.

Profile Preview — Altss

J. Leon & Company Overview

Type

Single Family Office

Year Founded

1929

General Information

J. Leon & Company is a single-family office headquartered in London. Established in 1929, the firm manages multi-generational wealth for the Leon family, with a focus on long-term capital preservation and growth. Its activities span direct investments, real estate, and philanthropy, supporting both commercial and charitable initiatives—allocates capital across asset classes and sectors to sustain family legacy and support philanthropic objectives.

Contact Information

Website:
www.jleon.co.uk

Year Founded:
1929

Investment Focus & Strategy


Open To First Time Funds:

Institution Type:
Single Family Office

Leadership & Principals


Corporate Office:
London, UK

Portfolio & Notable Allocations


Altss Insights


Need institutional-grade insight on family offices?

Altss delivers:

  • • Live OSINT deal alerts
  • • Allocation history by asset class
  • • Principals with verified direct contacts

Prefer a guided tour?

We’ll walk you through:

  • • Interactive funding timelines
  • • Custom mandate & allocation filters