---
title: "Matthew Duncan — Ownership Dossier"
canonical: https://whiteintel.dev/entity/18e0e046-e8cc-410a-86e8-3ffd9b5af679
json: https://whiteintel.dev/api/public/dossier/18e0e046-e8cc-410a-86e8-3ffd9b5af679
identifier: psc:HAPPY70mtp2HVwVSgCAFYS3HAP4
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Matthew Duncan

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:HAPPY70mtp2HVwVSgCAFYS3HAP4`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/18e0e046-e8cc-410a-86e8-3ffd9b5af679  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/18e0e046-e8cc-410a-86e8-3ffd9b5af679  

## Ownership & control

### Holdings / subsidiaries

- **SIOR STUDIO LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/43b9002b-65a4-5ccf-bc44-04831a82ac78

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Matthew Duncan**. Human view: https://whiteintel.dev/entity/18e0e046-e8cc-410a-86e8-3ffd9b5af679 · Structured JSON: https://whiteintel.dev/api/public/dossier/18e0e046-e8cc-410a-86e8-3ffd9b5af679._

_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"._