---
title: "Mr William Layton Blackham — Ownership Dossier"
canonical: https://whiteintel.dev/entity/515f17fb-ab9a-575c-9d79-16bbe950cbaf
json: https://whiteintel.dev/api/public/dossier/515f17fb-ab9a-575c-9d79-16bbe950cbaf
identifier: oo-person:GB-COH-PER-15509433-EHPbbQ4OpaRw6NJPjRjO2y1XK1U
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr William Layton Blackham

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-15509433-EHPbbQ4OpaRw6NJPjRjO2y1XK1U`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/515f17fb-ab9a-575c-9d79-16bbe950cbaf  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/515f17fb-ab9a-575c-9d79-16bbe950cbaf  

## Ownership & control

### Holdings / subsidiaries

- **BLACKBULL HOLMES DEVELOPMENTS LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/d4748c13-41d2-515c-a825-5f112ece9312

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr William Layton Blackham**. Human view: https://whiteintel.dev/entity/515f17fb-ab9a-575c-9d79-16bbe950cbaf · Structured JSON: https://whiteintel.dev/api/public/dossier/515f17fb-ab9a-575c-9d79-16bbe950cbaf._

_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"._