---
title: "William Michael George Mason — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eca33123-acbf-4efa-b53b-e81905e52a5a
json: https://whiteintel.dev/api/public/dossier/eca33123-acbf-4efa-b53b-e81905e52a5a
identifier: psc:wqu3BAH6B3df10Bxv1L6cqHool8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# William Michael George Mason

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:wqu3BAH6B3df10Bxv1L6cqHool8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eca33123-acbf-4efa-b53b-e81905e52a5a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eca33123-acbf-4efa-b53b-e81905e52a5a  

## Ownership & control

### Holdings / subsidiaries

- **INFACT SYSTEMS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/828f8f03-560f-5c5e-8df5-15f2f1291263

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **William Michael George Mason**. Human view: https://whiteintel.dev/entity/eca33123-acbf-4efa-b53b-e81905e52a5a · Structured JSON: https://whiteintel.dev/api/public/dossier/eca33123-acbf-4efa-b53b-e81905e52a5a._

_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"._