---
title: "EXTERION MEDIA (UK) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4add2d5a-298f-5b8f-ab88-73647dc96237
json: https://whiteintel.dev/api/public/dossier/4add2d5a-298f-5b8f-ab88-73647dc96237
identifier: oo:GB-COH-02480440
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# EXTERION MEDIA (UK) LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-02480440`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4add2d5a-298f-5b8f-ab88-73647dc96237  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4add2d5a-298f-5b8f-ab88-73647dc96237  

## Ownership & control

### Owners / controllers

- **GWR EAST HOLDINGS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/239b101c-55de-5e3f-9b9a-88c221e686a9
- **GWR EAST HOLDINGS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/239b101c-55de-5e3f-9b9a-88c221e686a9

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

A **16-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:** `02480440`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 1990-03-13
- **Registered office:** 30 Leicester Square, London, WC2H 7LA
- **SIC:** 74990

### Officers

- MESSER, Olivia — director · British · appointed 2025-03-17
- PORTER, Benedict Campion — director · British · appointed 2023-07-01
- AUSTIN, Philip — secretary · British · resigned 1998-07-28
- BEAK, Jonathan — secretary · appointed 2015-11-09 · resigned 2017-12-31
- BELLEW, Joanne Louise — secretary · British · appointed 2000-07-07 · resigned 2005-09-05
- CLARKSON, Robert Patrick Kelvin — secretary · British · appointed 1998-07-28 · resigned 2000-07-07
- MANNING, Richard Denley John — secretary · British · appointed 2005-09-05 · resigned 2008-11-28
- POTTERELL, Clive Ronald — secretary · British · appointed 2008-11-28 · resigned 2015-09-30
- ALLEN, Charles Lamb, The Lord Allen Of Kensington — director · British · appointed 2015-08-14 · resigned 2015-11-09
- AUSTIN, Philip — director · British · resigned 1997-03-03
- BARTLETT, Alan Frank — director · British · resigned 1997-03-03
- BEAK, Jonathan — director · British · appointed 2015-11-09 · resigned 2017-12-31
- CLARKSON, Robert Patrick Kelvin — director · British · appointed 1998-07-28 · resigned 2000-07-07
- CONNOLE, Michael Damien — director · Irish · appointed 2008-07-18 · resigned 2015-08-14
- COX, Charles Richard — director · Australian · appointed 1998-07-28 · resigned 2000-07-07
- MANNING, Richard Denley John — director · British · appointed 2003-07-31 · resigned 2008-11-28
- MIRON, Stephen Gabriel — director · British · appointed 2015-08-14 · resigned 2015-11-09
- PALLOT, Wendy Monica — director · British · appointed 2000-07-07 · resigned 2008-07-18
- POTTERELL, Clive Ronald — director · British · appointed 2008-11-28 · resigned 2015-09-30
- SINGER, Darren David — director · British · appointed 2015-11-09 · resigned 2023-07-01

### Beneficial owners (Persons with Significant Control)

- [Gwr East Holdings Limited](https://whiteintel.dev/entity/239b101c-55de-5e3f-9b9a-88c221e686a9) — 75–100% shares · corporate PSC · United Kingdom — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/02480440
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/02480440

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **EXTERION MEDIA (UK) LIMITED** — https://whiteintel.dev/entity/4add2d5a-298f-5b8f-ab88-73647dc96237 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **EXTERION MEDIA (UK) LIMITED**. Human view: https://whiteintel.dev/entity/4add2d5a-298f-5b8f-ab88-73647dc96237 · Structured JSON: https://whiteintel.dev/api/public/dossier/4add2d5a-298f-5b8f-ab88-73647dc96237._

_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"._