---
title: "EXTEM ENGINEERING LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/443a505e-742e-523e-a972-e6fcc039bfea
json: https://whiteintel.dev/api/public/dossier/443a505e-742e-523e-a972-e6fcc039bfea
identifier: oo:GB-COH-03957622
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# EXTEM ENGINEERING LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-03957622`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/443a505e-742e-523e-a972-e6fcc039bfea  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/443a505e-742e-523e-a972-e6fcc039bfea  

## Ownership & control

### Owners / controllers

- **Mr Frank Rodarick Ambler** (beneficial owner) — 50% — https://whiteintel.dev/entity/fbead658-39e2-5e02-aaf4-1812ed78403d
- **Mr Michael Henry Griffiths** (beneficial owner) — 50% — https://whiteintel.dev/entity/8f620104-4732-5539-8c96-dfd4a5eeb511
- **Mr Keith Richard Fox** (beneficial owner) — 75% — https://whiteintel.dev/entity/6ce46431-1bc6-5718-8434-cfaa5ac50527
- **Mrs Kim Lesley Fox** (beneficial owner) — 50% — https://whiteintel.dev/entity/25299ba9-6516-5b78-8f53-6d6f642325fb
- **Mr Keith Richard Fox** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/7ff6afbc-2ff3-415b-97d6-17cba1661d5d
- **Mr Frank Rodarick Ambler** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a3f5099a-8f21-4a55-998d-132c80685810
- **Mr Michael Henry Griffiths** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/25f391c3-6483-42e6-af79-73477ca60e85

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

1. **Mr Frank Rodarick Ambler** — beneficial owner 50% → *EXTEM ENGINEERING LIMITED*
1. **Mr Michael Henry Griffiths** — beneficial owner 50% → *EXTEM ENGINEERING LIMITED*
1. **Mr Keith Richard Fox** — beneficial owner 75% → *EXTEM ENGINEERING LIMITED*
1. **Mrs Kim Lesley Fox** — beneficial owner 50% → *EXTEM ENGINEERING LIMITED*
1. **Mr Keith Richard Fox** — beneficial owner 62.5% → *EXTEM ENGINEERING LIMITED*
1. **Mr Frank Rodarick Ambler** — beneficial owner 37.5% → *EXTEM ENGINEERING LIMITED*
1. **Mr Michael Henry Griffiths** — beneficial owner 37.5% → *EXTEM ENGINEERING LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `03957622`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2000-03-28
- **Registered office:** 51 Grosvenor Road, Staines-Upon-Thames, Middlesex, TW18 2RN, England
- **SIC:** 25620

### Officers

- FOX, Kim Lesley — secretary · appointed 2021-11-08
- FOX, Keith Richard — director · British · appointed 2000-03-28
- FOX, Kim Lesley — director · British · appointed 2021-11-08
- GRIFFITHS, Michael Henry — secretary · British · appointed 2000-03-28 · resigned 2021-12-31
- AMBLER, Frank Rodarick — director · British · appointed 2000-03-28 · resigned 2001-03-09
- GRIFFITHS, Michael Henry — director · British · appointed 2000-03-28 · resigned 2021-12-31
- WALL, David George — director · British · appointed 2000-03-28 · resigned 2000-03-28

### Beneficial owners (Persons with Significant Control)

- Mrs Kim Lesley Fox — 25–50% shares · individual PSC · England — since 2025-01-24
- Mr Keith Richard Fox — 50–75% shares · individual PSC · England — since 2016-04-06
- Mr Frank Rodarick Ambler — 25–50% shares · individual PSC · England — ceased 2021-12-31
- Mr Michael Henry Griffiths — 25–50% shares · individual PSC · England — ceased 2021-12-31

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/03957622

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **EXTEM ENGINEERING LIMITED**. Human view: https://whiteintel.dev/entity/443a505e-742e-523e-a972-e6fcc039bfea · Structured JSON: https://whiteintel.dev/api/public/dossier/443a505e-742e-523e-a972-e6fcc039bfea._

_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"._