---
title: "CLEAN TECH U.K. LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b117b082-3341-5a2f-a011-1684e7e3fdf3
json: https://whiteintel.dev/api/public/dossier/b117b082-3341-5a2f-a011-1684e7e3fdf3
identifier: oo:GB-COH-10445078
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CLEAN TECH U.K. LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10445078`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b117b082-3341-5a2f-a011-1684e7e3fdf3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b117b082-3341-5a2f-a011-1684e7e3fdf3  

## Ownership & control

### Owners / controllers

- **Mr William Young** (beneficial owner) — 100% — https://whiteintel.dev/entity/ef39e86a-4a77-5fba-91ea-c4e867bb7d22
- **Mr William Young** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/da9ae809-432b-4614-aa4c-16956b0f434c

### Holdings / subsidiaries

- **HEMSWELL CLEAN TECH GREEN POWER LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/24031f0a-49ec-4369-9623-955f0119b9ec

### 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:** `10445078`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-10-25
- **Registered office:** Hangar 4 Hemswell Business Park, Hemswell, Lincolnshire, DN21 5TU, England
- **SIC:** 22290

### Officers

- FRANZ, Matthew Gerard — director · American · appointed 2020-09-21
- MORGAN, Edward Vincent — director · American · appointed 2025-09-23
- PLOTZKE, Michael — director · American · appointed 2016-10-25
- RODRIGUES MARTINS, Pedro Manuel — director · Portuguese · appointed 2025-09-23
- POLLOCK, Francis — director · American · appointed 2016-10-25 · resigned 2020-09-21
- YOUNG, William — director · American · appointed 2016-10-25 · resigned 2025-09-23

### Beneficial owners (Persons with Significant Control)

- Mr William Young — 75–100% shares · individual PSC · United States — since 2016-10-25

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10445078
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10445078

## 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 **CLEAN TECH U.K. LIMITED** — https://whiteintel.dev/entity/b117b082-3341-5a2f-a011-1684e7e3fdf3 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CLEAN TECH U.K. LIMITED**. Human view: https://whiteintel.dev/entity/b117b082-3341-5a2f-a011-1684e7e3fdf3 · Structured JSON: https://whiteintel.dev/api/public/dossier/b117b082-3341-5a2f-a011-1684e7e3fdf3._

_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"._