---
title: "Dr Stephen William Mahon — Ownership Dossier"
canonical: https://whiteintel.dev/entity/345138fc-eeb4-4497-be2f-3bb2c2451ea5
json: https://whiteintel.dev/api/public/dossier/345138fc-eeb4-4497-be2f-3bb2c2451ea5
identifier: psc:uoRIKGA7kmx0NjsQJmf7dOpyc0s
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Dr Stephen William Mahon

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:uoRIKGA7kmx0NjsQJmf7dOpyc0s`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/345138fc-eeb4-4497-be2f-3bb2c2451ea5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/345138fc-eeb4-4497-be2f-3bb2c2451ea5  

## Ownership & control

### Holdings / subsidiaries

- **ARMSTRONG CAPITAL MANAGEMENT LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0aab4cd9-6ac3-5418-aec6-8ea2b98c8882

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Dr Stephen William Mahon**. Human view: https://whiteintel.dev/entity/345138fc-eeb4-4497-be2f-3bb2c2451ea5 · Structured JSON: https://whiteintel.dev/api/public/dossier/345138fc-eeb4-4497-be2f-3bb2c2451ea5._

_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"._