---
title: "Mr John William Dillon-Leetch — Ownership Dossier"
canonical: https://whiteintel.dev/entity/07537eb9-8a9a-4921-9fcd-cf261ad995f4
json: https://whiteintel.dev/api/public/dossier/07537eb9-8a9a-4921-9fcd-cf261ad995f4
identifier: psc:K6NmIMsmbKVoJo12Ehbrv44LBWI
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John William Dillon-Leetch

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:K6NmIMsmbKVoJo12Ehbrv44LBWI`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/07537eb9-8a9a-4921-9fcd-cf261ad995f4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/07537eb9-8a9a-4921-9fcd-cf261ad995f4  

## Ownership & control

### Holdings / subsidiaries

- **THE HYDROGRAPHIC SOCIETY UK** (beneficial owner) — https://whiteintel.dev/entity/4044a864-c41b-5e1e-ab32-00a821097b0a

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John William Dillon-Leetch**. Human view: https://whiteintel.dev/entity/07537eb9-8a9a-4921-9fcd-cf261ad995f4 · Structured JSON: https://whiteintel.dev/api/public/dossier/07537eb9-8a9a-4921-9fcd-cf261ad995f4._

_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"._