---
title: "Mrs Dianne Margaret Mercer — Ownership Dossier"
canonical: https://whiteintel.dev/entity/91e86bde-ee47-4b69-8d20-eeda2d89579f
json: https://whiteintel.dev/api/public/dossier/91e86bde-ee47-4b69-8d20-eeda2d89579f
identifier: psc:MpVzerRNmu2KcFMYuWWt25fB0-8
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Dianne Margaret Mercer

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:MpVzerRNmu2KcFMYuWWt25fB0-8`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/91e86bde-ee47-4b69-8d20-eeda2d89579f  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/91e86bde-ee47-4b69-8d20-eeda2d89579f  

## Ownership & control

### Holdings / subsidiaries

- **MERSEY BLUE INVESTMENTS LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ff46ff31-c371-515e-926c-bb322336e6b9

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Dianne Margaret Mercer**. Human view: https://whiteintel.dev/entity/91e86bde-ee47-4b69-8d20-eeda2d89579f · Structured JSON: https://whiteintel.dev/api/public/dossier/91e86bde-ee47-4b69-8d20-eeda2d89579f._

_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"._