---
title: "Mr John Denis Sheahan — Ownership Dossier"
canonical: https://whiteintel.dev/entity/927d5ff5-bc66-5f06-85cf-6e467ee8efdb
json: https://whiteintel.dev/api/public/dossier/927d5ff5-bc66-5f06-85cf-6e467ee8efdb
identifier: oo-person:GB-COH-PER-13335349-51xhuNgKKOZvzsO13IaGvrtLm6Q
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr John Denis Sheahan

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-13335349-51xhuNgKKOZvzsO13IaGvrtLm6Q`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/927d5ff5-bc66-5f06-85cf-6e467ee8efdb  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/927d5ff5-bc66-5f06-85cf-6e467ee8efdb  

## Ownership & control

### Holdings / subsidiaries

- **VACUUM FURNACE SOLUTIONS ATMOSPHERE LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/4e243e3f-e8cf-5026-ba96-8c22653eb1c4

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr John Denis Sheahan**. Human view: https://whiteintel.dev/entity/927d5ff5-bc66-5f06-85cf-6e467ee8efdb · Structured JSON: https://whiteintel.dev/api/public/dossier/927d5ff5-bc66-5f06-85cf-6e467ee8efdb._

_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"._