---
title: "RAILKO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/60256d40-c0f3-554c-aed2-0ec2f40e8e4a
json: https://whiteintel.dev/api/public/dossier/60256d40-c0f3-554c-aed2-0ec2f40e8e4a
identifier: oo:GB-COH-05773671
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RAILKO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-05773671`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/60256d40-c0f3-554c-aed2-0ec2f40e8e4a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/60256d40-c0f3-554c-aed2-0ec2f40e8e4a  

## Ownership & control

### Owners / controllers

- **DIAMORPH UK LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e14a8f71-b0a4-5d0f-9b7a-85b4c7be925d
- **TENMAT LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/fbc97573-17da-5edb-925a-90ea7b566100
- **TENMAT LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fbc97573-17da-5edb-925a-90ea7b566100
- **DIAMORPH UK LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e14a8f71-b0a4-5d0f-9b7a-85b4c7be925d

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

A **13-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:** `05773671`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2006-04-07
- **Registered office:** C/O Permali Gloucester Limited, 170 Bristol Road, Gloucester, Gloucestershire, GL1 5TT, United Kingdom
- **SIC:** 22290

### Officers

- BESSANT, David Thomas — director · British · appointed 2024-03-11
- WILKINSON, Jonathan — director · British · appointed 2024-03-11
- HOPKINS, Frank Joseph — secretary · British · appointed 2006-04-07 · resigned 2015-06-01
- CHOPRA, Kapil, Dr — director · British · appointed 2015-02-25 · resigned 2024-04-02
- GUPTA, Shalet Kumar — director · British · appointed 2020-02-03 · resigned 2024-04-02
- HOPKINS, Frank Joseph — director · British · appointed 2006-04-07 · resigned 2015-06-01
- HUTCHISON, Mark Andrew — director · English · appointed 2015-01-26 · resigned 2019-11-12
- JONES, Caroline Louise — director · British · appointed 2019-04-26 · resigned 2024-04-02
- MACLEMAN, Gordon — director · British · appointed 2015-01-26 · resigned 2024-04-02
- MOORE, Anthony Patrick — director · British · appointed 2006-04-07 · resigned 2015-06-01
- PORTER, John Norman — director · British · appointed 2006-04-07 · resigned 2014-12-04

### Beneficial owners (Persons with Significant Control)

- [Diamorph Uk Limited](https://whiteintel.dev/entity/e14a8f71-b0a4-5d0f-9b7a-85b4c7be925d) — 75–100% shares · corporate PSC · United Kingdom — since 2025-01-30
- [Tenmat Limited](https://whiteintel.dev/entity/fbc97573-17da-5edb-925a-90ea7b566100) — 75–100% shares · corporate PSC · United Kingdom — ceased 2025-01-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/05773671
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/05773671

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RAILKO LIMITED**. Human view: https://whiteintel.dev/entity/60256d40-c0f3-554c-aed2-0ec2f40e8e4a · Structured JSON: https://whiteintel.dev/api/public/dossier/60256d40-c0f3-554c-aed2-0ec2f40e8e4a._

_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"._