---
title: "Castellum Fiducia Trust Reg. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b5c09e3a-a972-5c36-9f06-58df7576419d
json: https://whiteintel.dev/api/public/dossier/b5c09e3a-a972-5c36-9f06-58df7576419d
identifier: icij:icijol-12164770
jurisdiction: LI
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Castellum Fiducia Trust Reg.

**Type:** Organization  
**Jurisdiction:** LI  
**Identifier:** `icij:icijol-12164770`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/b5c09e3a-a972-5c36-9f06-58df7576419d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b5c09e3a-a972-5c36-9f06-58df7576419d  

## Ownership & control

### Holdings / subsidiaries

- **I.O.S. INVESTMENT OVERSEAS SERVICES S.A.** (shareholder of) — https://whiteintel.dev/entity/c01969b1-b1fe-532d-84cb-70dff0e356ed

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/12164770

## 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 **Castellum Fiducia Trust Reg.** — https://whiteintel.dev/entity/b5c09e3a-a972-5c36-9f06-58df7576419d · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Castellum Fiducia Trust Reg.**. Human view: https://whiteintel.dev/entity/b5c09e3a-a972-5c36-9f06-58df7576419d · Structured JSON: https://whiteintel.dev/api/public/dossier/b5c09e3a-a972-5c36-9f06-58df7576419d._

_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"._