---
title: "Mr Diarmid Alastair Grant Macarthur — Ownership Dossier"
canonical: https://whiteintel.dev/entity/970fbb84-42aa-4cfe-8649-a4485402e8ff
json: https://whiteintel.dev/api/public/dossier/970fbb84-42aa-4cfe-8649-a4485402e8ff
identifier: psc:-BmVeT1a79TrqO-aMbBE6tREpaw
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Diarmid Alastair Grant Macarthur

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:-BmVeT1a79TrqO-aMbBE6tREpaw`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/970fbb84-42aa-4cfe-8649-a4485402e8ff  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/970fbb84-42aa-4cfe-8649-a4485402e8ff  

## Ownership & control

### Holdings / subsidiaries

- **LOOK OPTICIANS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e8b268d0-693a-5995-8e47-51fa481ab311

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Diarmid Alastair Grant Macarthur**. Human view: https://whiteintel.dev/entity/970fbb84-42aa-4cfe-8649-a4485402e8ff · Structured JSON: https://whiteintel.dev/api/public/dossier/970fbb84-42aa-4cfe-8649-a4485402e8ff._

_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"._