Single Family OfficeRIA · CRD 338604SEC-RegisteredPrivate Fund Adviser

Updated:

Harbour25 Management Services

Harbour25 Management Services is a discreet single-family office with no public-facing digital presence, operating as a private administrative vehicle.

Harbour25 Management Services

HARBOUR25 MANAGEMENT SERVICES, L.L.C. is an SEC-registered investment adviser since 2025. It is registered with the SEC.

General information

Firm type

Single Family Office

Frequently asked questions

Does Harbour25 Management Services have any public investment track record?

No. As of mid-2026, no public filings, press releases, portfolio company announcements, or SEC disclosures link any investment activity to Harbour25 Management Services. The office does not appear in any known limited partnership agreements, venture capital funding rounds, or real estate transaction records accessible through primary research.

How does Harbour25 source deals if it maintains no public presence?

Any deal sourcing would likely run through private networks, wealth management relationships, or direct relationships maintained by the underlying principal. Without a public-facing investment team, Harbour25 does not participate in the institutional fundraising ecosystem that generates pitch decks, broker opinions, or fund marketing materials.

Is Harbour25 structured to manage multi-generational wealth?

The LLC structure can accommodate multi-generational planning, but no public evidence confirms whether Harbour25 operates under a long-term trust mandate, a family limited partnership, or a simpler single-generation holding structure. Its lack of institutional governance documentation—chief investment officer, investment committee listings, family council references—suggests it may not yet have formalized succession or family employment policies.

What regulatory filings, if any, is Harbour25 subject to?

Single-family offices in the United States that meet the SEC's family office rule (Rule 202(a)(11)(G)-1) are exempt from registration as investment advisers. If Harbour25 serves a single family and does not hold itself out publicly as an investment adviser, it would likely operate fully outside SEC registration requirements, which is consistent with its lack of Form ADV filings.

What asset classes would a family office without a public track record typically hold?

Absent any disclosed strategy, one can only infer possibilities from standard single-family office practice: direct private equity or venture investments, diversified public market portfolios managed externally, concentrated legacy operating company equity, and private real estate. Many single-family offices that avoid publicity preserve a legacy operating business or a concentrated public-stock position that generates the underlying wealth.

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.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More Single Family Office profiles