---
title: "Hannah Porteous — Ownership Dossier"
canonical: https://whiteintel.dev/entity/248563ee-7e90-4e6b-97bf-60e44b94ca8e
json: https://whiteintel.dev/api/public/dossier/248563ee-7e90-4e6b-97bf-60e44b94ca8e
identifier: psc:Wn0kiHg_MAquCMZj5rO3i3Pg-x0
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Hannah Porteous

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `psc:Wn0kiHg_MAquCMZj5rO3i3Pg-x0`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/248563ee-7e90-4e6b-97bf-60e44b94ca8e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/248563ee-7e90-4e6b-97bf-60e44b94ca8e  

## Ownership & control

### Holdings / subsidiaries

- **BRACHYCHITON LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/463ba545-1023-50e8-9929-25f018e64db7

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Hannah Porteous**. Human view: https://whiteintel.dev/entity/248563ee-7e90-4e6b-97bf-60e44b94ca8e · Structured JSON: https://whiteintel.dev/api/public/dossier/248563ee-7e90-4e6b-97bf-60e44b94ca8e._

_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"._