---
title: "Ms Joanna Mary Callaghan — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d78e8051-33ab-5ef9-8711-ac712b1663c3
json: https://whiteintel.dev/api/public/dossier/d78e8051-33ab-5ef9-8711-ac712b1663c3
identifier: oo-person:GB-COH-PER-06556121-wzu6CGjrf5M50qWvdeGN_DhgwQk
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Ms Joanna Mary Callaghan

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-06556121-wzu6CGjrf5M50qWvdeGN_DhgwQk`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d78e8051-33ab-5ef9-8711-ac712b1663c3  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d78e8051-33ab-5ef9-8711-ac712b1663c3  

## Ownership & control

### Holdings / subsidiaries

- **HERACLITUS PICTURES LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/e152d570-e6d3-571e-89be-6d0c652cb30a

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ms Joanna Mary Callaghan**. Human view: https://whiteintel.dev/entity/d78e8051-33ab-5ef9-8711-ac712b1663c3 · Structured JSON: https://whiteintel.dev/api/public/dossier/d78e8051-33ab-5ef9-8711-ac712b1663c3._

_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"._