---
title: "Ms Joanne Elizabeth Mary Mardell — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a3506cc0-e2cb-5794-803c-1f0ced350997
json: https://whiteintel.dev/api/public/dossier/a3506cc0-e2cb-5794-803c-1f0ced350997
identifier: oo-person:GB-COH-PER-13037513-rX4Ec2sTIzDBKHdNAyQJsccbQLU
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Ms Joanne Elizabeth Mary Mardell

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo-person:GB-COH-PER-13037513-rX4Ec2sTIzDBKHdNAyQJsccbQLU`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a3506cc0-e2cb-5794-803c-1f0ced350997  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a3506cc0-e2cb-5794-803c-1f0ced350997  

## Ownership & control

### Holdings / subsidiaries

- **SLSM LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/626a959a-b01b-5e22-990d-e00e65cf3dde

## Provenance

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

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Ms Joanne Elizabeth Mary Mardell**. Human view: https://whiteintel.dev/entity/a3506cc0-e2cb-5794-803c-1f0ced350997 · Structured JSON: https://whiteintel.dev/api/public/dossier/a3506cc0-e2cb-5794-803c-1f0ced350997._

_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"._