Updated:
Marathon-London
Marathon-London is a discreet single-family office deploying permanent capital into direct private equity and real assets across Western Europe.
Marathon-London
MARATHON-LONDON is an SEC-registered investment adviser in LONDON, registered since 2004. The firm manages approximately $39.0 billion in assets. It has 74 employees and 16 investment advisers.
General information
Firm type
Single Family Office
Year founded
—
AUM
Undisclosed
Location
Region
Europe
Country
United Kingdom
City
London
Corporate office
London, United Kingdom
Frequently asked questions
What is Marathon-London?
Marathon-London is a single family office headquartered in London, United Kingdom.
Where is Marathon-London headquartered?
Marathon-London is headquartered in London, United Kingdom, in the Europe region.
What is Marathon-London's assets under management?
Marathon-London reports approximately Undisclosed in assets under management, as tracked by Altss.
What does Altss track for Marathon-London?
Altss maintains an OSINT-verified profile of Marathon-London covering investment focus (ESG policy, ticket size, target IRR, currency preference, regional focuses, industry focuses, technological focuses), team (service providers and advisors), deals (company deals and fund commitments), assets (real estate, public market positions, private companies, art and cultural holdings, philanthropy and foundations), and network (club memberships, associations, and event participation). Detailed values are available to Altss subscribers.
What type of firm is Marathon-London?
Marathon-London is classified by Altss as a Single Family Office, operating from United Kingdom within the Europe region.
How does Altss source intelligence on Marathon-London?
Altss combines OSINT (open-source intelligence) with regulatory filings, public disclosures, and licensed data partners. Source provenance is tracked to support compliance-ready research workflows.
When was Marathon-London's Altss profile last updated?
Marathon-London's profile on Altss was last refreshed on June 3, 2026. Continuous updates are applied as new public information is verified.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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