---
title: "MARWIN SECURITIES LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8eb596fb-9905-532d-8e17-07b46ce73fbe
json: https://whiteintel.dev/api/public/dossier/8eb596fb-9905-532d-8e17-07b46ce73fbe
identifier: oo:GB-COH-00555596
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARWIN SECURITIES LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-00555596`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8eb596fb-9905-532d-8e17-07b46ce73fbe  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8eb596fb-9905-532d-8e17-07b46ce73fbe  

## Ownership & control

### Owners / controllers

- **Mr Michael Stephen Winkler** (beneficial owner) — 50% — https://whiteintel.dev/entity/ab54e9af-6e47-5a01-80d5-f802419c5625
- **Mr Richard Anthony Winkler** (beneficial owner) — 50% — https://whiteintel.dev/entity/e314e3f6-412a-5124-a8a6-d2ba7985261e
- **Mr Mark Jonathan Winkler** (beneficial owner) — 50% — https://whiteintel.dev/entity/0eeba4a2-b20f-562a-9095-9568ea7f97fb
- **Mr Mark Jonathan Winkler** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/7a01d005-1c1c-46e8-8233-86c79477dca8
- **Mr Michael Stephen Winkler** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a885b1c6-a7d9-4d27-a295-87e19a653fae
- **Mr Richard Anthony Winkler** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4a2e5b94-efa1-41ff-8833-ae44040fe8fc

### Holdings / subsidiaries

- **MANCHESTER SQUARE PROPERTIES LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bc8837e8-4616-5a29-8235-8adae9ac9cd5

### 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:** `00555596`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1955-10-06
- **Registered office:** C/O Parker Cavendish, Suite 301, Stanmore Business And Innovation Centre, Howard Road, Stanmore, Middlesex, HA7 1FW, England
- **SIC:** 41100, 68100

### Officers

- WINKLER, Michael Stephen — secretary · British · appointed 1998-11-06
- WINKLER, Mark Jonathan — director · British
- WINKLER, Michael Stephen — director · British
- WINKLER, Ann Sara — secretary · British · resigned 1998-11-06
- WINKLER, Ann Sara — director · British · resigned 2015-06-30
- WINKLER, Richard Anthony — director · British · resigned 2007-07-27

### Beneficial owners (Persons with Significant Control)

- Mr Michael Stephen Winkler — 25–50% shares · individual PSC · England — since 2016-04-06
- Mr Richard Anthony Winkler — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06
- Mr Mark Jonathan Winkler — 25–50% shares · individual PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/00555596
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/00555596

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARWIN SECURITIES LIMITED**. Human view: https://whiteintel.dev/entity/8eb596fb-9905-532d-8e17-07b46ce73fbe · Structured JSON: https://whiteintel.dev/api/public/dossier/8eb596fb-9905-532d-8e17-07b46ce73fbe._

_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"._