---
title: "J D ULTRASONICS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a411759d-2001-523e-a991-cf4fc140fbc0
json: https://whiteintel.dev/api/public/dossier/a411759d-2001-523e-a991-cf4fc140fbc0
identifier: oo:GB-COH-03718604
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# J D ULTRASONICS LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-03718604`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a411759d-2001-523e-a991-cf4fc140fbc0  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a411759d-2001-523e-a991-cf4fc140fbc0  

## Ownership & control

### Owners / controllers

- **Mr David Thomas Blyth** (beneficial owner) — 100% — https://whiteintel.dev/entity/6489fa7a-1d3f-528e-814b-74a06480a161
- **JDU HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/d487fc3b-4669-577d-8f58-d742540ec9ba
- **Mr David Thomas Blyth** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5bef9ead-5a10-4aaa-90dc-16847d57aa31
- **JDU HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d487fc3b-4669-577d-8f58-d742540ec9ba

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

A **6-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:** `03718604`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1999-02-24
- **Registered office:** Airedale Works Fountain Street, Morley, Leeds, West Yorkshire, LS27 0AA, England
- **SIC:** 33200

### Officers

- BLYTH, Oliver James — director · British · appointed 2018-04-13
- BLYTH, Christine — secretary · British · appointed 1999-02-24 · resigned 2010-01-31
- BLYTH, David Thomas — secretary · appointed 2011-03-01 · resigned 2023-04-04
- SWIFT INCORPORATIONS LIMITED — corporate nominee secretary · appointed 1999-02-24 · resigned 1999-02-24
- BLYTH, Christine — director · British · appointed 1999-02-26 · resigned 2011-07-14
- BLYTH, Christine — director · British · appointed 1999-02-26 · resigned 2011-02-28
- BLYTH, David Thomas — director · British · appointed 1999-02-24 · resigned 2023-04-04
- J D ULTRASONICS LIMITED — corporate director · appointed 1999-10-01 · resigned 2011-02-25

### Beneficial owners (Persons with Significant Control)

- [Jdu Holdings Limited](https://whiteintel.dev/entity/d487fc3b-4669-577d-8f58-d742540ec9ba) — 75–100% shares · corporate PSC · England — since 2023-04-04
- Mr David Thomas Blyth — 75–100% shares · individual PSC — ceased 2023-04-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03718604
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/03718604

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **J D ULTRASONICS LIMITED**. Human view: https://whiteintel.dev/entity/a411759d-2001-523e-a991-cf4fc140fbc0 · Structured JSON: https://whiteintel.dev/api/public/dossier/a411759d-2001-523e-a991-cf4fc140fbc0._

_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"._