---
title: "HSIC NO.3 LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa
json: https://whiteintel.dev/api/public/dossier/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa
identifier: oo:GB-COH-13467718
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HSIC NO.3 LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13467718`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa  

## Ownership & control

### Owners / controllers

- **IRONSTONE LIFE SCIENCE HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/601dc7fc-1e89-54d2-9ee1-28540b0813e1
- **HSIC HOLDINGS LP** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f3d4f378-7349-5aaa-b6c7-a7ce465abf60
- **IRONSTONE LIFE SCIENCE HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/601dc7fc-1e89-54d2-9ee1-28540b0813e1

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

A **53-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:** `13467718`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-06-21
- **Registered office:** Quad Two Rutherford Avenue, Harwell Campus, Didcot, OX11 0DF, United Kingdom
- **SIC:** 68100

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13467718
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13467718

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **HSIC NO.3 LIMITED** — https://whiteintel.dev/entity/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HSIC NO.3 LIMITED**. Human view: https://whiteintel.dev/entity/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa · Structured JSON: https://whiteintel.dev/api/public/dossier/cb4cee48-f1c7-5cfa-9cdf-6545eedea0aa._

_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"._