---
title: "CASTLEFORM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65
json: https://whiteintel.dev/api/public/dossier/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65
identifier: oo:GB-COH-04023527
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CASTLEFORM LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04023527`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65  

## Cross-source identity

The same real-world entity, resolved across sources:

- **Castleform Limited** — source · `gb-coh:4023527` — https://whiteintel.dev/entity/af56712b-4645-43c0-8fde-76d2f11c0554

## Ownership & control

### Owners / controllers

- **GWR GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/1167c3af-e719-54f3-8c84-603e5417f39b
- **GWR GROUP LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/1167c3af-e719-54f3-8c84-603e5417f39b

### Holdings / subsidiaries

- **MARCHER RADIO GROUP LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/e48752a9-9b03-5c1c-aa6f-fe470cbfb140

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

A **14-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:** `04023527`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2000-06-29
- **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
- BEAK, Jonathan — secretary · appointed 2015-11-09 · resigned 2017-12-31
- BELLEW, Joanne Louise — secretary · British · appointed 2001-02-14 · resigned 2005-09-05
- BELLEW, Joanne Louise — secretary · British · appointed 2000-06-29 · resigned 2000-07-14
- FISHER, Roy Sidney — secretary · British · appointed 2000-07-14 · resigned 2001-02-14
- 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
- HALLMARK SECRETARIES LIMITED — corporate nominee secretary · appointed 2000-06-29 · resigned 2000-06-29
- ALLEN, Charles Lamb, The Lord Allen Of Kensington — director · British · appointed 2015-08-14 · resigned 2015-11-09
- BEAK, Jonathan — director · British · appointed 2015-11-09 · resigned 2017-12-31
- BERNARD, Ralph Mitchell — director · British · appointed 2000-11-22 · resigned 2008-01-15
- CONNOLE, Michael Damien — director · Irish · appointed 2008-07-18 · resigned 2015-08-14
- MANNING, Richard Denley John — director · British · appointed 2007-07-23 · resigned 2008-11-28
- MIRON, Stephen Gabriel — director · British · appointed 2015-08-14 · resigned 2015-11-09
- ORCHARD, Stephen — director · British · appointed 2000-07-14 · resigned 2008-04-21
- PALLOT, Wendy Monica — director · British · appointed 2001-11-08 · resigned 2008-07-18
- PALLOT, Wendy — director · British · appointed 2000-06-29 · resigned 2000-07-14
- 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 Group Limited](https://whiteintel.dev/entity/1167c3af-e719-54f3-8c84-603e5417f39b) — 75–100% shares · corporate PSC · United Kingdom — since 2016-04-06

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04023527
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04023527

## 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 **CASTLEFORM LIMITED** — https://whiteintel.dev/entity/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CASTLEFORM LIMITED**. Human view: https://whiteintel.dev/entity/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65 · Structured JSON: https://whiteintel.dev/api/public/dossier/365919ca-acc3-5b0a-8dc7-4d3c3a0b7d65._

_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"._