---
title: "CASTEL NAPL LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/ac075607-5f25-575a-8e6d-b64d6793fa80
json: https://whiteintel.dev/api/public/dossier/ac075607-5f25-575a-8e6d-b64d6793fa80
identifier: oo:GB-COH-14331354
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CASTEL NAPL LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14331354`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/ac075607-5f25-575a-8e6d-b64d6793fa80  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/ac075607-5f25-575a-8e6d-b64d6793fa80  

## Ownership & control

### Owners / controllers

- **RYAN SPECIALTY UNDERWRITING MANAGERS INTERNATIONAL LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/c88cffd6-a2e4-501e-9bb5-79c89bbbe155
- **RYAN SPECIALTY UNDERWRITING MANAGERS INTERNATIONAL LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/c88cffd6-a2e4-501e-9bb5-79c89bbbe155

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

A **13-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:** `14331354`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2022-09-01
- **Registered office:** Level 6 25 Fenchurch Avenue, London, EC3M 5AD, England
- **SIC:** 65120

### Officers

- HILL, Roland John — director · British · appointed 2022-09-01
- NEWBY, Christopher David Seymour — director · British · appointed 2025-12-03
- BIRRELL, Mark Victor — director · British · appointed 2022-09-01 · resigned 2025-12-02
- CARLOS, Raoul — director · French · appointed 2022-09-01 · resigned 2024-08-21
- COMERFORD, Patrick Joseph — director · Irish · appointed 2022-09-01 · resigned 2024-09-03
- MOORE, Clive Lovell — director · British · appointed 2022-09-01 · resigned 2024-09-03

### Beneficial owners (Persons with Significant Control)

- [Ryan Specialty Underwriting Managers International Limited](https://whiteintel.dev/entity/c88cffd6-a2e4-501e-9bb5-79c89bbbe155) — 50–75% shares · corporate PSC · England — since 2022-09-01

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14331354

## 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 **CASTEL NAPL LIMITED** — https://whiteintel.dev/entity/ac075607-5f25-575a-8e6d-b64d6793fa80 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CASTEL NAPL LIMITED**. Human view: https://whiteintel.dev/entity/ac075607-5f25-575a-8e6d-b64d6793fa80 · Structured JSON: https://whiteintel.dev/api/public/dossier/ac075607-5f25-575a-8e6d-b64d6793fa80._

_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"._