---
title: "Mr John William Mawer — Ownership Dossier"
canonical: https://whiteintel.dev/entity/09869f8b-09e8-47cc-8f66-e07baffc0045
json: https://whiteintel.dev/api/public/dossier/09869f8b-09e8-47cc-8f66-e07baffc0045
identifier: psc:B3EbsD5r4KBatHNMAhldRLxEOGA
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John William Mawer

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:B3EbsD5r4KBatHNMAhldRLxEOGA`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/09869f8b-09e8-47cc-8f66-e07baffc0045  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/09869f8b-09e8-47cc-8f66-e07baffc0045  

## Ownership & control

### Holdings / subsidiaries

- **JW MAWER LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/87989e01-7b06-55ea-b94e-81d6afbdcc64

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John William Mawer**. Human view: https://whiteintel.dev/entity/09869f8b-09e8-47cc-8f66-e07baffc0045 · Structured JSON: https://whiteintel.dev/api/public/dossier/09869f8b-09e8-47cc-8f66-e07baffc0045._

_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"._