---
title: "RAIL ENGINEERING SERVICES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/2c96bdb8-d4da-58ee-9a08-c0c3e0fa3ec6
json: https://whiteintel.dev/api/public/dossier/2c96bdb8-d4da-58ee-9a08-c0c3e0fa3ec6
identifier: oo:GB-COH-09533228
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RAIL ENGINEERING SERVICES LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-09533228`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/2c96bdb8-d4da-58ee-9a08-c0c3e0fa3ec6  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/2c96bdb8-d4da-58ee-9a08-c0c3e0fa3ec6  

## Ownership & control

### Owners / controllers

- **Mrs Wang Qian** (beneficial owner) — 50% — https://whiteintel.dev/entity/12ff8eaf-0c51-5db2-90ea-b44b38923697
- **Mrs Qian Wang** (beneficial owner) — 100% — https://whiteintel.dev/entity/603f60a5-3ab9-5209-bcc0-03c63235b8ed
- **Mrs Wang Qian** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/15a1e095-ba31-48f9-b06a-042b7cd530ce
- **Mrs Qian Wang** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4db342aa-74c6-4796-bcc4-f2c36e3ad0a2
- **Mr Karl O'Donnell** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ee708627-cab3-4949-acc1-c395b0ac774e

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

A **5-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:** `09533228`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2015-04-09
- **Registered office:** 12 Mulberry Place Pinnell Road, London, SE9 6AR, England
- **SIC:** 71129

### Officers

- O'DONNELL, Karl — director · Irish · appointed 2015-04-09
- WANG, Qian — director · Chinese · appointed 2018-05-25 · resigned 2026-01-08

### Beneficial owners (Persons with Significant Control)

- Mr Karl O'Donnell — 75–100% shares · individual PSC · England — since 2017-04-06
- Mrs Qian Wang — 75–100% shares · individual PSC · England — ceased 2025-03-10
- Mrs Wang Qian — 25–50% shares · individual PSC · England — ceased 2017-05-05

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/09533228
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/09533228

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RAIL ENGINEERING SERVICES LTD**. Human view: https://whiteintel.dev/entity/2c96bdb8-d4da-58ee-9a08-c0c3e0fa3ec6 · Structured JSON: https://whiteintel.dev/api/public/dossier/2c96bdb8-d4da-58ee-9a08-c0c3e0fa3ec6._

_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"._