---
title: "HARBOURVEST MERCURIUS L.P. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b34ccbde-c1fb-53a7-a77d-45ae87a90afd
json: https://whiteintel.dev/api/public/dossier/b34ccbde-c1fb-53a7-a77d-45ae87a90afd
identifier: lei:549300HKKUIFTUN80Y40
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HARBOURVEST MERCURIUS L.P.

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `lei:549300HKKUIFTUN80Y40`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b34ccbde-c1fb-53a7-a77d-45ae87a90afd  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b34ccbde-c1fb-53a7-a77d-45ae87a90afd  

## Registry profile

- **Status:** LAPSED  
- **Legal form:** `ID30`  
- **Source:** GLEIF  

## Cross-source identity

The same real-world entity, resolved across sources:

- **HARBOURVEST MERCURIUS L.P.** — companies_house_bulk · `oo:GB-COH-SL032013` — https://whiteintel.dev/entity/04ef8923-1f04-5478-85b8-3760d284dc16

## Ownership & control

### Owners / controllers

- **HARBOURVEST PARTNERS, LLC** (ultimate parent) — https://whiteintel.dev/entity/ed28ee62-76b5-5530-a822-8833546ba6fd

### UBO chain (walk to the ultimate owner)

A **2-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `SL032013`
- **Status:** Active
- **Type:** Limited Partnership
- **Incorporated:** 2017-07-10
- **Registered office:** ONE, LINCOLN STREET, BOSTON, MASSACHUSETTS 02111
- **SIC:** None Supplied

## Provenance

- GLEIF — https://search.gleif.org/#/record/549300HKKUIFTUN80Y40

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HARBOURVEST MERCURIUS L.P.**. Human view: https://whiteintel.dev/entity/b34ccbde-c1fb-53a7-a77d-45ae87a90afd · Structured JSON: https://whiteintel.dev/api/public/dossier/b34ccbde-c1fb-53a7-a77d-45ae87a90afd._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._