Single Family OfficeRIA · CRD 134017SEC-Registered

Updated:

Stonebridge

Stonebridge is an SEC-registered investment adviser in Wilton, CT, registered since 2005. The firm manages approximately $11.8 billion in regulatory assets.

Stonebridge logo

Stonebridge

Stonebridge is an SEC-registered investment adviser in Wilton, CT, registered since 2005. The firm manages approximately $11.8 billion in regulatory assets. It has 15 employees and 9 investment advisers.

General information

Firm type

Single Family Office

Year founded

1969

Location

Region

Europe

Country

United Kingdom

City

Wilton

Corporate office

London, United Kingdom

Frequently asked questions

Who runs investment decisions at Stonebridge?

Stonebridge does not publicly name its investment team, founder, or principals. Its website refers to the firm itself as the actor, offering no CVs or professional backgrounds. An allocator doing diligence would need direct contact to determine who underwrites and approves deals.

Is Stonebridge structured as a single family office or does it operate more like a venture firm?

The firm explicitly calls itself a "private family office" but markets its services externally as "a private investment firm backed by family office capital." This suggests it manages a single family's wealth while sourcing deals from the broader market, rather than operating purely as an institution managing third-party LP commitments.

Does Stonebridge participate in fund commitments or only direct deals?

Its stated strategy covers growth, recapitalisation, and venture through a direct investment approach. There is no mention of fund-of-funds commitments or backing external GPs. The language focuses on direct partnerships with entrepreneurs.

Where does the underlying wealth come from?

The source of Stonebridge's family office capital is not publicly disclosed. The firm provides no information about the family, their business origins, or the industry that generated the wealth. This opacity is a deliberate feature of its public profile.

What is Stonebridge's known posture on co-investments alongside external GPs?

Stonebridge's public-facing materials do not mention co-investing alongside other private equity firms or venture funds. The firm's model appears built on proprietary, direct sourcing where it aims to act as the lead or sole institutional investor, leveraging its family capital base.

Profile maintained by 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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