---
title: "Mr John Welsh Blackwood Alder — Ownership Dossier"
canonical: https://whiteintel.dev/entity/f5d2c709-e506-51a6-8f2a-0b173a5e255e
json: https://whiteintel.dev/api/public/dossier/f5d2c709-e506-51a6-8f2a-0b173a5e255e
identifier: oo-person:GB-COH-PER-OC376161-L5NPNuZHaZ0loOHsH8fAx8JdkKc
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Welsh Blackwood Alder

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-OC376161-L5NPNuZHaZ0loOHsH8fAx8JdkKc`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/f5d2c709-e506-51a6-8f2a-0b173a5e255e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/f5d2c709-e506-51a6-8f2a-0b173a5e255e  

## Ownership & control

### Holdings / subsidiaries

- **NASH HARVEY GROUP LLP** (beneficial owner) — 50% — https://whiteintel.dev/entity/ace56e59-9a34-597a-a238-51e0b90779a6

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Welsh Blackwood Alder**. Human view: https://whiteintel.dev/entity/f5d2c709-e506-51a6-8f2a-0b173a5e255e · Structured JSON: https://whiteintel.dev/api/public/dossier/f5d2c709-e506-51a6-8f2a-0b173a5e255e._

_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"._