---
title: "THORNTON ENGINEERING DESIGN & CONSULTING LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8a7ef210-197a-5906-8571-eadb5feef45d
json: https://whiteintel.dev/api/public/dossier/8a7ef210-197a-5906-8571-eadb5feef45d
identifier: oo:GB-COH-10266589
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# THORNTON ENGINEERING DESIGN & CONSULTING LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-10266589`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8a7ef210-197a-5906-8571-eadb5feef45d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8a7ef210-197a-5906-8571-eadb5feef45d  

## Ownership & control

### Owners / controllers

- **Mr Mark Lawrence Raymond Thornton** (beneficial owner) — 50% — https://whiteintel.dev/entity/dac852f7-6c76-50f8-a56b-0f98639f1493
- **Mr Mark Lawrence Raymond Thornton** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/961229d9-b322-4b5f-b6ad-839004795c7d
- **Ms Lisa Ashmore** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c6f5264d-458b-4bf6-aea9-5de1289fb8c0

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

A **3-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:** `10266589`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-07-07
- **Registered office:** High View Tom Lane, Chapel-En-Le-Frith, High Peak, Derbyshire, SK23 9UN, United Kingdom
- **SIC:** 82990

### Officers

- THORNTON, Mark Lawrence Raymond — director · British · appointed 2016-07-07
- ASHMORE, Lisa — director · British · appointed 2016-07-07 · resigned 2018-04-30

### Beneficial owners (Persons with Significant Control)

- Ms Lisa Ashmore — 25–50% shares · individual PSC · United Kingdom — since 2025-06-02
- Mr Mark Lawrence Raymond Thornton — 25–50% shares · individual PSC · United Kingdom — since 2016-07-07

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10266589
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10266589

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **THORNTON ENGINEERING DESIGN & CONSULTING LTD**. Human view: https://whiteintel.dev/entity/8a7ef210-197a-5906-8571-eadb5feef45d · Structured JSON: https://whiteintel.dev/api/public/dossier/8a7ef210-197a-5906-8571-eadb5feef45d._

_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"._