---
title: "ATHYRIUM OPPORTUNITIES IV UK QAHC LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/78a8f4fa-de08-57da-b409-05b77059b786
json: https://whiteintel.dev/api/public/dossier/78a8f4fa-de08-57da-b409-05b77059b786
identifier: oo:GB-COH-14206759
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ATHYRIUM OPPORTUNITIES IV UK QAHC LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14206759`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/78a8f4fa-de08-57da-b409-05b77059b786  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/78a8f4fa-de08-57da-b409-05b77059b786  

## Ownership & control

### Owners / controllers

- **Mr Jeffrey Ferrell** (beneficial owner) — 100% — https://whiteintel.dev/entity/ea712cce-c912-5be0-8534-ab9791a1f7f8
- **Mr Jeffrey Ferrell** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/aaa63b67-b026-4ea9-a56f-4de6391efda8

### 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:** `14206759`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-06-30
- **Registered office:** 21 Holborn Viaduct, London, EC1A 2DY, United Kingdom
- **SIC:** 64929

### Officers

- [SISEC LIMITED](https://whiteintel.dev/entity/eb6573e7-4c83-5f3d-938e-5b8b5cec5c9e) — corporate secretary · appointed 2022-06-30
- HYMAN, Andrew — director · American · appointed 2022-06-30
- ATHYRIUM OPPORTUNITIES ASSOCIATES IV CO-INVEST LLC — corporate director · appointed 2022-06-30

### Beneficial owners (Persons with Significant Control)

- Mr Jeffrey Ferrell — 75–100% shares · individual PSC · United Kingdom — since 2022-06-30

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14206759
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14206759

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ATHYRIUM OPPORTUNITIES IV UK QAHC LTD**. Human view: https://whiteintel.dev/entity/78a8f4fa-de08-57da-b409-05b77059b786 · Structured JSON: https://whiteintel.dev/api/public/dossier/78a8f4fa-de08-57da-b409-05b77059b786._

_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"._