---
title: "BREATHDX (UK) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ef33dddc-a1ee-57fa-a3a6-e0c177445a20
json: https://whiteintel.dev/api/public/dossier/ef33dddc-a1ee-57fa-a3a6-e0c177445a20
identifier: oo:GB-COH-09380175
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BREATHDX (UK) LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-09380175`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ef33dddc-a1ee-57fa-a3a6-e0c177445a20  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ef33dddc-a1ee-57fa-a3a6-e0c177445a20  

## Ownership & control

### Owners / controllers

- **Ms Jacqueline Killard** (beneficial owner) — 50% — https://whiteintel.dev/entity/1f970eee-d445-5a27-afee-2699602ece21
- **Prof. Anthony Joseph Killard** (beneficial owner) — 50% — https://whiteintel.dev/entity/95d6fe06-bd25-5d1b-8700-d6f6b7bc7284
- **Mr Dara Fitzgerald** (beneficial owner) — 50% — https://whiteintel.dev/entity/cac5a07f-176f-5164-8384-942ab3ebb11e
- **Prof. Anthony Joseph Killard** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4f21da6f-6c7b-4a30-a18e-b4584646f8c2
- **Mr Dara Fitzgerald** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/47fa70e1-c4dc-48f9-b163-77f98516c0e4
- **Ms Jacqueline Killard** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6ac5f48c-ef52-4c78-8e93-7d4a76cd86d9

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

1. **Ms Jacqueline Killard** — beneficial owner 50% → *BREATHDX (UK) LIMITED*
1. **Prof. Anthony Joseph Killard** — beneficial owner 50% → *BREATHDX (UK) LIMITED*
1. **Mr Dara Fitzgerald** — beneficial owner 50% → *BREATHDX (UK) LIMITED*
1. **Prof. Anthony Joseph Killard** — beneficial owner 37.5% → *BREATHDX (UK) LIMITED*
1. **Mr Dara Fitzgerald** — beneficial owner 37.5% → *BREATHDX (UK) LIMITED*
1. **Ms Jacqueline Killard** — beneficial owner 37.5% → *BREATHDX (UK) LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `09380175`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2015-01-08
- **Registered office:** 451 Filton Avenue, Bristol, BS7 0LL
- **SIC:** 86900

### Officers

- LENNARD, Andrew Dacre — secretary · appointed 2015-08-05
- FITZGERALD, Dara — director · Irish · appointed 2015-01-08
- KILLARD, Anthony, Professor — director · Irish · appointed 2015-01-08
- LENNARD, Andrew Dacre — director · British · appointed 2015-08-05
- MCCLUSKEY, Derek — director · English · appointed 2015-08-05

### Beneficial owners (Persons with Significant Control)

- Ms Jacqueline Killard — 25–50% shares · individual PSC — since 2016-11-27
- Mr Dara Fitzgerald — 25–50% shares · individual PSC — since 2016-04-06
- Prof. Anthony Joseph Killard — 25–50% shares · individual PSC — ceased 2016-11-27

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09380175
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09380175

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BREATHDX (UK) LIMITED**. Human view: https://whiteintel.dev/entity/ef33dddc-a1ee-57fa-a3a6-e0c177445a20 · Structured JSON: https://whiteintel.dev/api/public/dossier/ef33dddc-a1ee-57fa-a3a6-e0c177445a20._

_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"._