---
title: "ROCKRIDGE PORTHCURNO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/9b7da35f-97d5-550d-a2e0-12ea57e8bd46
json: https://whiteintel.dev/api/public/dossier/9b7da35f-97d5-550d-a2e0-12ea57e8bd46
identifier: oo:GB-COH-10896431
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# ROCKRIDGE PORTHCURNO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10896431`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/9b7da35f-97d5-550d-a2e0-12ea57e8bd46  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/9b7da35f-97d5-550d-a2e0-12ea57e8bd46  

## Ownership & control

### Owners / controllers

- **Mr Christopher Martyn Thornton** (beneficial owner) — 75% — https://whiteintel.dev/entity/33dbba60-ee03-50e3-a8ac-5364d9c07d82
- **Mr Christopher Martyn Thornton** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/cb7b597b-25d2-4fb9-a83b-0aa3bf987844

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

A **2-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:** `10896431`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-08-02
- **Registered office:** 5 Old Cable Lane, St. Levan, Penzance, Cornwall, TR19 6HL, England
- **SIC:** 41202, 68100

### Officers

- THORNTON, Christopher Martyn — director · British · appointed 2017-08-02
- THORNTON, Nicholas Martyn — director · British · appointed 2017-08-02
- THORNTON, Rosemary Denise — director · British · appointed 2017-08-02
- THORNTON, Hollie Jane — director · British · appointed 2017-08-02 · resigned 2020-05-11

### Beneficial owners (Persons with Significant Control)

- Mr Christopher Martyn Thornton — 50–75% shares · individual PSC · England — since 2017-08-02

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10896431
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10896431

## 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 **ROCKRIDGE PORTHCURNO LIMITED** — https://whiteintel.dev/entity/9b7da35f-97d5-550d-a2e0-12ea57e8bd46 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **ROCKRIDGE PORTHCURNO LIMITED**. Human view: https://whiteintel.dev/entity/9b7da35f-97d5-550d-a2e0-12ea57e8bd46 · Structured JSON: https://whiteintel.dev/api/public/dossier/9b7da35f-97d5-550d-a2e0-12ea57e8bd46._

_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"._