---
title: "ASSERT HEATING SERVICES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4be6eb7d-c222-5ea4-a53a-8230e342d7d2
json: https://whiteintel.dev/api/public/dossier/4be6eb7d-c222-5ea4-a53a-8230e342d7d2
identifier: oo:GB-COH-07846800
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ASSERT HEATING SERVICES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-07846800`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4be6eb7d-c222-5ea4-a53a-8230e342d7d2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4be6eb7d-c222-5ea4-a53a-8230e342d7d2  

## Ownership & control

### Owners / controllers

- **Ms Justine Eleni Demetriou** (beneficial owner) — 100% — https://whiteintel.dev/entity/f319c922-16c7-5dcc-998e-41147c9973e4
- **Mr Ryan Sacha Mohamed** (beneficial owner) — 100% — https://whiteintel.dev/entity/5ecfabce-fe1f-5138-9c3a-5e3429b69fd9
- **Ms Justine Eleni Demetriou** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e5cc0ed3-5251-4404-8d1c-cb17679a05aa
- **Mr Ryan Sacha Mohamed** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/f357d4cc-7c7f-45c6-a9a1-4aa60cb92546

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

A **4-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:** `07846800`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2011-11-14
- **Registered office:** 12 Scholars Road, London, E4 7HH
- **SIC:** 71129

### Officers

- MOHAMED, Ryan Sacha — director · British · appointed 2023-02-24
- DEMETRIOU, Justine Eleni — director · British · appointed 2011-11-14 · resigned 2023-02-24

### Beneficial owners (Persons with Significant Control)

- Mr Ryan Sacha Mohamed — 75–100% shares · individual PSC · England — since 2023-02-24
- Ms Justine Eleni Demetriou — 75–100% shares · individual PSC · England — ceased 2023-02-24

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07846800
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07846800

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ASSERT HEATING SERVICES LIMITED**. Human view: https://whiteintel.dev/entity/4be6eb7d-c222-5ea4-a53a-8230e342d7d2 · Structured JSON: https://whiteintel.dev/api/public/dossier/4be6eb7d-c222-5ea4-a53a-8230e342d7d2._

_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"._