---
title: "Mrs Gemma Martin — Ownership Dossier"
canonical: https://whiteintel.dev/entity/618ee1ff-c1a2-4bc1-b59b-0c4da3cb96bc
json: https://whiteintel.dev/api/public/dossier/618ee1ff-c1a2-4bc1-b59b-0c4da3cb96bc
identifier: psc:Dw-73XVC4JDBWsLstQIVAG-pDLs
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Mrs Gemma Martin

**Type:** Person  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `psc:Dw-73XVC4JDBWsLstQIVAG-pDLs`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/618ee1ff-c1a2-4bc1-b59b-0c4da3cb96bc  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/618ee1ff-c1a2-4bc1-b59b-0c4da3cb96bc  

## Ownership & control

### Holdings / subsidiaries

- **CHRIS MARTIN PLUMBING & HEATING (BUXTON) LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0cf8de04-c90d-4273-b465-9ee86ed0044b

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Mrs Gemma Martin**. Human view: https://whiteintel.dev/entity/618ee1ff-c1a2-4bc1-b59b-0c4da3cb96bc · Structured JSON: https://whiteintel.dev/api/public/dossier/618ee1ff-c1a2-4bc1-b59b-0c4da3cb96bc._

_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"._