---
title: "Mr John William Byrne — Ownership Dossier"
canonical: https://whiteintel.dev/entity/15b2e711-bf79-407c-a963-e23aa8c2a014
json: https://whiteintel.dev/api/public/dossier/15b2e711-bf79-407c-a963-e23aa8c2a014
identifier: psc:BOfBBx8vPF9W028Fr5rT6qOYllc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John William Byrne

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:BOfBBx8vPF9W028Fr5rT6qOYllc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/15b2e711-bf79-407c-a963-e23aa8c2a014  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/15b2e711-bf79-407c-a963-e23aa8c2a014  

## Ownership & control

### Holdings / subsidiaries

- **CAMBRIDGE CIVIL MEDIATION LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8eb8d605-b4e2-59d7-a7a0-7fa4e937733d

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John William Byrne**. Human view: https://whiteintel.dev/entity/15b2e711-bf79-407c-a963-e23aa8c2a014 · Structured JSON: https://whiteintel.dev/api/public/dossier/15b2e711-bf79-407c-a963-e23aa8c2a014._

_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"._