---
title: "Katz - Martin John Stewart — Ownership Dossier"
canonical: https://whiteintel.dev/entity/fa43f50b-258c-57c8-a269-a14cc0795837
json: https://whiteintel.dev/api/public/dossier/fa43f50b-258c-57c8-a269-a14cc0795837
identifier: icij:icijol-80085304
jurisdiction: IM
risk: Medium
source: WhiteIntel corporate-ownership graph
---

# Katz - Martin John Stewart

**Type:** Organization  
**Jurisdiction:** IM  
**Identifier:** `icij:icijol-80085304`  
**Risk level:** Medium  
**Canonical dossier:** https://whiteintel.dev/entity/fa43f50b-258c-57c8-a269-a14cc0795837  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/fa43f50b-258c-57c8-a269-a14cc0795837  

## Ownership & control

### Holdings / subsidiaries

- **Patent Capital Limited** (director of) — https://whiteintel.dev/entity/617c6bb2-2403-5a54-8939-09bf648728d9
- **Patent Management Services Limited** (director of) — https://whiteintel.dev/entity/285d4647-f318-5781-8766-4beda82bfaeb

## Provenance

- ICIJ Offshore Leaks — https://offshoreleaks.icij.org/nodes/80085304

## 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 **Katz - Martin John Stewart** — https://whiteintel.dev/entity/fa43f50b-258c-57c8-a269-a14cc0795837 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Katz - Martin John Stewart**. Human view: https://whiteintel.dev/entity/fa43f50b-258c-57c8-a269-a14cc0795837 · Structured JSON: https://whiteintel.dev/api/public/dossier/fa43f50b-258c-57c8-a269-a14cc0795837._

_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"._