---
title: "D&S ULTRA-CLEAN HOLDINGS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1
json: https://whiteintel.dev/api/public/dossier/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1
identifier: oo:GB-COH-12748359
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# D&S ULTRA-CLEAN HOLDINGS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-12748359`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1  

## Ownership & control

### Owners / controllers

- **Mr Stephen Andrew Jones** (beneficial owner) — 50% — https://whiteintel.dev/entity/99d1d902-6f69-57c1-b477-f92f37b23b0d
- **Mr Ian Alan Jones** (beneficial owner) — 50% — https://whiteintel.dev/entity/fc15bdc3-4614-53da-b4f4-f7396b891746
- **Mr Paul James Caldwell** (beneficial owner) — 50% — https://whiteintel.dev/entity/7b6f9758-40bf-5efb-977d-f5114a894a63
- **Mr Paul James Caldwell** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c7c08ce8-ef16-45ea-84bd-e665944a9d92
- **Mr Ian Alan Jones** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d33f235d-3735-4d3b-bfda-19705b0368ac
- **Mr Stephen Andrew Jones** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b7b75723-69d7-45ed-be18-fc5be305e702

### Holdings / subsidiaries

- **D&S ULTRA-CLEAN LTD** (beneficial owner) — 75% — https://whiteintel.dev/entity/7aa6b53b-1d75-534e-abf7-75775e7115eb
- **D&S ULTRA-CLEAN LTD** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/7aa6b53b-1d75-534e-abf7-75775e7115eb

### 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.

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/12748359
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/12748359

## 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 **D&S ULTRA-CLEAN HOLDINGS LTD** — https://whiteintel.dev/entity/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **D&S ULTRA-CLEAN HOLDINGS LTD**. Human view: https://whiteintel.dev/entity/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1 · Structured JSON: https://whiteintel.dev/api/public/dossier/dde0291d-1cf6-5594-9aa5-ff24af4c0ec1._

_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"._