---
title: "UNITBIRWELCO LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d
json: https://whiteintel.dev/api/public/dossier/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d
identifier: oo:GB-COH-11506274
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# UNITBIRWELCO LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-11506274`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d  

## Ownership & control

### Owners / controllers

- **HAMPDEN PRIVATE CAPITAL LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/cef8a6e3-6c93-57f1-aa99-0fda454addb7
- **HAMPDEN PRIVATE CAPITAL LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/cef8a6e3-6c93-57f1-aa99-0fda454addb7
- **Sustainable Engineering Limited** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/391ac9eb-53cd-4139-a778-ae919f485482

### Holdings / subsidiaries

- **BIRWELCO LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/4c2285dc-8bb1-5706-9766-00503845cd2e
- **UNITBIRWELCO ENERGY LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/76ad6d44-dda6-5c84-a769-d2e500cb6042
- **UNIT SUPERHEATER ENGINEERING LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/797b33d6-f003-5961-a463-3e72b40f9f7f
- **UNIT SUPERHEATER ENGINEERING LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/797b33d6-f003-5961-a463-3e72b40f9f7f
- **UNITBIRWELCO ENERGY LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/76ad6d44-dda6-5c84-a769-d2e500cb6042
- **BIRWELCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4c2285dc-8bb1-5706-9766-00503845cd2e
- **BIRWELCO LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4c2285dc-8bb1-5706-9766-00503845cd2e
- **UNI REALISATIONS 2026 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/dd4ac9ae-3605-5cac-ac87-7d5d7ddea2e2

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

A **17-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:** `11506274`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-08-08
- **Registered office:** Riverside House (Annex) Ground Floor, Normandy Road, Swansea, SA1 2JA, Wales
- **SIC:** 64999

### Officers

- WILKINSON, Cy Thomas — director · British · appointed 2020-04-06
- WILLIAMS, Andrew John — director · British · appointed 2020-04-06
- [HAMPDEN LEGAL PLC](https://whiteintel.dev/entity/bd4f8e53-caec-58f5-9a1a-6e2aae92369c) — corporate secretary · appointed 2018-08-08 · resigned 2025-07-14
- ANDERSON, Ian Peter Maxwell — director · British · appointed 2018-08-08 · resigned 2020-04-02
- BRAND, Matthew David — director · British · appointed 2021-01-22 · resigned 2025-07-14
- DENT, Angus — director · English · appointed 2018-08-08 · resigned 2020-12-18
- TURNER, George Donald — director · British · appointed 2021-01-22 · resigned 2025-07-14

### Beneficial owners (Persons with Significant Control)

- [Hampden Private Capital Limited](https://whiteintel.dev/entity/cef8a6e3-6c93-57f1-aa99-0fda454addb7) — 75–100% shares · corporate PSC · England — since 2020-12-31
- [Sustainable Engineering Limited](https://whiteintel.dev/entity/391ac9eb-53cd-4139-a778-ae919f485482) — 75–100% shares · corporate PSC · England — ceased 2020-12-31

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11506274
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11506274

## 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 **UNITBIRWELCO LTD** — https://whiteintel.dev/entity/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **UNITBIRWELCO LTD**. Human view: https://whiteintel.dev/entity/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d · Structured JSON: https://whiteintel.dev/api/public/dossier/bda3463f-4ddf-5eb8-b3e9-b9d0b44fff5d._

_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"._