---
title: "20 SACKVILLE STREET MANAGEMENT COMPANY LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fef5d645-ff01-5cc0-9864-27cbbf973778
json: https://whiteintel.dev/api/public/dossier/fef5d645-ff01-5cc0-9864-27cbbf973778
identifier: oo:GB-COH-06632906
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# 20 SACKVILLE STREET MANAGEMENT COMPANY LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-06632906`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/fef5d645-ff01-5cc0-9864-27cbbf973778  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fef5d645-ff01-5cc0-9864-27cbbf973778  

## Ownership & control

### Owners / controllers

- **Deborah N/A Dunhill** (beneficial owner) — 50% — https://whiteintel.dev/entity/a4412e50-4cc0-5927-b754-24eda9187608
- **Mark Raymond N/A Harrison** (beneficial owner) — 50% — https://whiteintel.dev/entity/9615be5a-a898-52b9-a984-bbddd83b4e9f
- **Mark Raymond N/A Harrison** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/3f4bc971-ab24-4742-a1d0-412a0b722d6a
- **Deborah N/A Dunhill** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/b9a8b9e0-180b-416c-9265-4c66551616cb

### 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:** `06632906`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2008-06-30
- **Registered office:** Unit H Oakdene Farm Whinwhistle Road, East Wellow, Romsey, Hampshire, SO51 6BH, United Kingdom
- **SIC:** 98000

### Officers

- DUNHILL, Richard William Denton — director · British · appointed 2012-04-10
- [RTM NOMINEES DIRECTORS LTD](https://whiteintel.dev/entity/f5acccbf-bd2f-4d82-96bd-b29b31a9c26c) — corporate director · appointed 2017-01-31
- [RTM NOMINEES DIRECTORS LTD](https://whiteintel.dev/entity/f5acccbf-bd2f-4d82-96bd-b29b31a9c26c) — corporate director · appointed 2014-07-18
- [RTM SECRETARIAL LIMITED](https://whiteintel.dev/entity/15f90135-f33c-41e3-a619-ebc495de85f3) — corporate secretary · appointed 2008-06-30 · resigned 2010-01-01
- DUNHILL, Richard William Denton — director · British · appointed 2010-12-31 · resigned 2012-01-01
- HILL, Anthony John — director · British · appointed 2010-07-02 · resigned 2011-01-01
- HILL JUNIOR, James Christopher — director · British · appointed 2010-07-02 · resigned 2011-01-01
- [RTM NOMINEE DIRECTORS LIMITED](https://whiteintel.dev/entity/f5acccbf-bd2f-4d82-96bd-b29b31a9c26c) — corporate director · appointed 2008-06-30 · resigned 2011-01-01
- [RTM NOMINEES DIRECTORS LTD](https://whiteintel.dev/entity/f5acccbf-bd2f-4d82-96bd-b29b31a9c26c) — corporate director · appointed 2014-08-01 · resigned 2014-08-12
- [RTM SECRETARIAL LIMITED](https://whiteintel.dev/entity/15f90135-f33c-41e3-a619-ebc495de85f3) — corporate director · appointed 2008-06-30 · resigned 2010-07-05

### Beneficial owners (Persons with Significant Control)

- Deborah N/A Dunhill — 25–50% shares · individual PSC · United Kingdom — since 2016-07-15
- Mark Raymond N/A Harrison — 25–50% shares · individual PSC · England — ceased 2025-08-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06632906
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06632906

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **20 SACKVILLE STREET MANAGEMENT COMPANY LIMITED**. Human view: https://whiteintel.dev/entity/fef5d645-ff01-5cc0-9864-27cbbf973778 · Structured JSON: https://whiteintel.dev/api/public/dossier/fef5d645-ff01-5cc0-9864-27cbbf973778._

_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"._