---
title: "Mr Ian Robinson Mcmahon — Ownership Dossier"
canonical: https://whiteintel.dev/entity/77b2cce8-e275-4a2b-b0ea-b3f4997ef992
json: https://whiteintel.dev/api/public/dossier/77b2cce8-e275-4a2b-b0ea-b3f4997ef992
identifier: psc:uyLiweEXww6pYgMpRxh-psWQ_FE
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Ian Robinson Mcmahon

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:uyLiweEXww6pYgMpRxh-psWQ_FE`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/77b2cce8-e275-4a2b-b0ea-b3f4997ef992  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/77b2cce8-e275-4a2b-b0ea-b3f4997ef992  

## Ownership & control

### Holdings / subsidiaries

- **PORTNABLAGH LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/14b8f193-d5c0-5b56-98f4-2d6b3afa970a

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Ian Robinson Mcmahon**. Human view: https://whiteintel.dev/entity/77b2cce8-e275-4a2b-b0ea-b3f4997ef992 · Structured JSON: https://whiteintel.dev/api/public/dossier/77b2cce8-e275-4a2b-b0ea-b3f4997ef992._

_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"._