---
title: "TEST MANAGEMENT SYSTEMS LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/72cbc3c5-ff7d-577c-ab74-da86ba35b43b
json: https://whiteintel.dev/api/public/dossier/72cbc3c5-ff7d-577c-ab74-da86ba35b43b
identifier: oo:GB-COH-10404556
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# TEST MANAGEMENT SYSTEMS LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-10404556`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/72cbc3c5-ff7d-577c-ab74-da86ba35b43b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/72cbc3c5-ff7d-577c-ab74-da86ba35b43b  

## Ownership & control

### Owners / controllers

- **Mr William Godfrey Leyborne Echlin** (beneficial owner) — 75% — https://whiteintel.dev/entity/d87493bc-e577-54b6-973b-bf3072a2a04a
- **Mr William Godfrey Leyborne Echlin** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/96304ba4-54da-479d-8dda-20f2a909716d

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

A **2-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:** `10404556`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-09-30
- **Registered office:** The Counting House, 9 High Street, Tring, Herts, HP23 5TE, England
- **SIC:** 62020

### Officers

- ECHLIN, Claire Rebecca — secretary · appointed 2016-09-30
- ECHLIN, Claire Rebecca — director · British · appointed 2016-09-30
- ECHLIN, William Godfrey Leyborne — director · British · appointed 2016-09-30

### Beneficial owners (Persons with Significant Control)

- Mr William Godfrey Leyborne Echlin — 50–75% shares · individual PSC · England — since 2016-09-30

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10404556
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10404556

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **TEST MANAGEMENT SYSTEMS LTD**. Human view: https://whiteintel.dev/entity/72cbc3c5-ff7d-577c-ab74-da86ba35b43b · Structured JSON: https://whiteintel.dev/api/public/dossier/72cbc3c5-ff7d-577c-ab74-da86ba35b43b._

_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"._