---
title: "Mrs Maria O'Brien — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b24c30fe-dbe6-4d97-a99f-a186c4e96012
json: https://whiteintel.dev/api/public/dossier/b24c30fe-dbe6-4d97-a99f-a186c4e96012
identifier: psc:YjRIiEJLLj-f0Gv6VSejbxZ9fFM
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Maria O'Brien

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:YjRIiEJLLj-f0Gv6VSejbxZ9fFM`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b24c30fe-dbe6-4d97-a99f-a186c4e96012  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b24c30fe-dbe6-4d97-a99f-a186c4e96012  

## Ownership & control

### Holdings / subsidiaries

- **PRO SPORT GRAPPLING LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fc4a44b3-72c8-5ecd-8cc1-477b134b0c5b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Maria O'Brien**. Human view: https://whiteintel.dev/entity/b24c30fe-dbe6-4d97-a99f-a186c4e96012 · Structured JSON: https://whiteintel.dev/api/public/dossier/b24c30fe-dbe6-4d97-a99f-a186c4e96012._

_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"._