---
title: "Mr Martin Joseph Mannion — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3af85753-9012-44c8-acd8-e77865ded272
json: https://whiteintel.dev/api/public/dossier/3af85753-9012-44c8-acd8-e77865ded272
identifier: psc:WLVAeRYAPa8t4LC_KaG0CXyDm3A
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mr Martin Joseph Mannion

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:WLVAeRYAPa8t4LC_KaG0CXyDm3A`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3af85753-9012-44c8-acd8-e77865ded272  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3af85753-9012-44c8-acd8-e77865ded272  

## Ownership & control

### Holdings / subsidiaries

- **Calypso Uk Topco Limited** (beneficial owner) — https://whiteintel.dev/entity/f16b06ec-3aeb-4a3e-9182-7acb9c38f2df

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mr Martin Joseph Mannion**. Human view: https://whiteintel.dev/entity/3af85753-9012-44c8-acd8-e77865ded272 · Structured JSON: https://whiteintel.dev/api/public/dossier/3af85753-9012-44c8-acd8-e77865ded272._

_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"._