---
title: "CLEANROOM PROJECTS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d8f40d1d-563b-5903-bca5-ef0872a1293b
json: https://whiteintel.dev/api/public/dossier/d8f40d1d-563b-5903-bca5-ef0872a1293b
identifier: oo:GB-COH-06374505
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CLEANROOM PROJECTS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-06374505`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d8f40d1d-563b-5903-bca5-ef0872a1293b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d8f40d1d-563b-5903-bca5-ef0872a1293b  

## Ownership & control

### Owners / controllers

- **BASSAIRE CLEANROOMS LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/d815d58e-e72d-5540-9183-3ec22f9155e6
- **CLEANROOM PROJECTS HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a85ec98b-8c92-5995-a1bd-0405612af336
- **CLEANROOM PROJECTS HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a85ec98b-8c92-5995-a1bd-0405612af336
- **Bassaire Environmental Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/330d8ff2-0c2c-4e09-8728-c51e216d8d19
- **CLEANROOM PROJECTS GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/677241b3-698d-44f2-aa23-8b5f93d03381
- **BASSAIRE CLEANROOMS LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d815d58e-e72d-5540-9183-3ec22f9155e6

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

A **29-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:** `06374505`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-09-18
- **Registered office:** York Avenue, Haslingden, Rossendale, BB4 4HX, England
- **SIC:** 25990

### Officers

- ARDERN, Philip — secretary · British · appointed 2007-09-18
- ARDERN, Philip — director · British · appointed 2013-08-21
- COCKCROFT, Andrew — director · British · appointed 2007-09-18
- THOMAS, Neil James — director · British · appointed 2007-09-18 · resigned 2023-01-09

### Beneficial owners (Persons with Significant Control)

- [Cleanroom Projects Group Limited](https://whiteintel.dev/entity/677241b3-698d-44f2-aa23-8b5f93d03381) — 75–100% shares · corporate PSC · England — since 2025-10-07
- [Cleanroom Projects Holdings Limited](https://whiteintel.dev/entity/a85ec98b-8c92-5995-a1bd-0405612af336) — 75–100% shares · corporate PSC · England — ceased 2025-10-07
- [Bassaire Environmental Limited](https://whiteintel.dev/entity/330d8ff2-0c2c-4e09-8728-c51e216d8d19) — 75–100% shares · corporate PSC · England — ceased 2017-07-05
- [Bassaire Holdings Limited](https://whiteintel.dev/entity/d815d58e-e72d-5540-9183-3ec22f9155e6) — 75–100% shares · corporate PSC · England — ceased 2017-06-21

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06374505
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06374505

## 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 **CLEANROOM PROJECTS LIMITED** — https://whiteintel.dev/entity/d8f40d1d-563b-5903-bca5-ef0872a1293b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CLEANROOM PROJECTS LIMITED**. Human view: https://whiteintel.dev/entity/d8f40d1d-563b-5903-bca5-ef0872a1293b · Structured JSON: https://whiteintel.dev/api/public/dossier/d8f40d1d-563b-5903-bca5-ef0872a1293b._

_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"._