---
title: "AMBIEN HEATING SPECIALISTS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/22ae1fdf-592e-542a-9cdb-34f5ff7fc307
json: https://whiteintel.dev/api/public/dossier/22ae1fdf-592e-542a-9cdb-34f5ff7fc307
identifier: oo:GB-COH-14792042
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# AMBIEN HEATING SPECIALISTS LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14792042`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/22ae1fdf-592e-542a-9cdb-34f5ff7fc307  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/22ae1fdf-592e-542a-9cdb-34f5ff7fc307  

## Ownership & control

### Owners / controllers

- **Mr Alexander Upton Marsden** (beneficial owner) — 75% — https://whiteintel.dev/entity/0ba11c64-dccc-559e-b3f3-feec18c52f16
- **Mrs Zoe Michelle Marsden** (beneficial owner) — 50% — https://whiteintel.dev/entity/807bed2b-e4af-5ba7-bf32-de153cfe71c8
- **Mrs Zoe Michelle Marsden** (beneficial owner) — 50% — https://whiteintel.dev/entity/37fc1067-8070-58ad-92d7-b755b5bcb8a8
- **Mr Alexander Upton Marsden** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/5dd1a9e2-9621-4bcd-9bfb-9ed3bfcc4b96
- **Mrs Zoe Michelle Marsden** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/03ee85da-f7e9-4b1a-8ccc-39c4881e8e10
- **Mrs Zoe Michelle Marsden** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e77bcac0-e47c-422a-902f-f40bc1d816a4

### 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:** `14792042`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2023-04-11
- **Registered office:** 8 Trentside, Morton, Gainsborough, DN21 3AQ, England
- **SIC:** 43220

## Financials (Companies House accounts)

| Figure | 2026-02-28 |
|---|---:|
| Profit / (loss) | £50,176 |
| Net assets | £14,668 |
| Cash | £44,545 |
| Shareholder funds | £3 |
| Fixed assets | £8,956 |
| Current assets | £50,608 |
| Employees | 2 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- MARSDEN, Zoe Michelle — secretary · appointed 2024-01-26
- MARSDEN, Alexander Upton — director · British · appointed 2023-04-11
- MARSDEN, Zoe Michelle — director · British · appointed 2023-04-11

### Beneficial owners (Persons with Significant Control)

- Mrs Zoe Michelle Marsden — 25–50% shares · individual PSC · England — since 2024-02-19
- Mr Alexander Upton Marsden — 25–50% shares · individual PSC · England — since 2023-04-11
- Mrs Zoe Michelle Marsden — 25–50% shares · individual PSC · England — ceased 2024-01-26

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14792042
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14792042
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/14792042/filing-history

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **AMBIEN HEATING SPECIALISTS LTD**. Human view: https://whiteintel.dev/entity/22ae1fdf-592e-542a-9cdb-34f5ff7fc307 · Structured JSON: https://whiteintel.dev/api/public/dossier/22ae1fdf-592e-542a-9cdb-34f5ff7fc307._

_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"._