---
title: "Mr William Layton Blackham — Ownership Dossier"
canonical: https://whiteintel.dev/entity/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae
json: https://whiteintel.dev/api/public/dossier/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae
identifier: psc:EHPbbQ4OpaRw6NJPjRjO2y1XK1U
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr William Layton Blackham

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:EHPbbQ4OpaRw6NJPjRjO2y1XK1U`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae  

## Ownership & control

### Holdings / subsidiaries

- **BLACKBULL HOLMES DEVELOPMENTS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d4748c13-41d2-515c-a825-5f112ece9312

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **Mr William Layton Blackham** — https://whiteintel.dev/entity/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr William Layton Blackham**. Human view: https://whiteintel.dev/entity/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae · Structured JSON: https://whiteintel.dev/api/public/dossier/0e86c46c-76f7-4c94-bd47-a2ec9c0be3ae._

_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"._