---
title: "Thornton Resources Limited — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cefc5ab0-e159-592b-b936-365997d549f8
json: https://whiteintel.dev/api/public/dossier/cefc5ab0-e159-592b-b936-365997d549f8
identifier: icij:icijol-10182586
jurisdiction: CH
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Thornton Resources Limited

**Type:** Company  
**Jurisdiction:** CH  
**Identifier:** `icij:icijol-10182586`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cefc5ab0-e159-592b-b936-365997d549f8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cefc5ab0-e159-592b-b936-365997d549f8  

## Ownership & control

### Owners / controllers

- **Castellum Management Limited** (shareholder of) — https://whiteintel.dev/entity/9e5aa9cd-e4c5-5ae4-8cc0-abb6fbd8594c
- **CHATEAU MANAGEMENT LIMITED** (shareholder of) — https://whiteintel.dev/entity/da7ed169-73a7-5246-9f4e-1a35158a7d12

### 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.

## Exposure (derived from the ownership graph)

**2** owners upstream in this entity's ownership/control chain are flagged — a sanctions hit or a secrecy jurisdiction — an investigative lead by resolved identity, not a legal determination. The contributing parties and the hop-by-hop path unlock with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/10182586

## 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 **Thornton Resources Limited** — https://whiteintel.dev/entity/cefc5ab0-e159-592b-b936-365997d549f8 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Thornton Resources Limited**. Human view: https://whiteintel.dev/entity/cefc5ab0-e159-592b-b936-365997d549f8 · Structured JSON: https://whiteintel.dev/api/public/dossier/cefc5ab0-e159-592b-b936-365997d549f8._

_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"._