---
title: "GDM PLUMBING & HEATING LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/aae8b254-855c-5eef-a058-fa95a93dc4db
json: https://whiteintel.dev/api/public/dossier/aae8b254-855c-5eef-a058-fa95a93dc4db
identifier: oo:GB-COH-10931619
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GDM PLUMBING & HEATING LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-10931619`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/aae8b254-855c-5eef-a058-fa95a93dc4db  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/aae8b254-855c-5eef-a058-fa95a93dc4db  

## Ownership & control

### Owners / controllers

- **Mr Graham David Mockett** (beneficial owner) — 75% — https://whiteintel.dev/entity/03a1b317-5344-5e5e-9331-733ee3984160
- **Mrs Janice Mockett** (beneficial owner) — 50% — https://whiteintel.dev/entity/daacf936-7f0a-5e49-a200-b0d21a6dc588
- **Mrs Janice Mockett** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/56cf8c1d-0375-4bd1-88a6-015ce3ecd53e
- **Mr Graham David Mockett** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/48858137-007c-43ed-b77b-09681fda9342

### UBO chain (walk to the ultimate owner)

A **4-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `10931619`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-08-24
- **Registered office:** 17 Wood Drive, Beetley, Dereham, NR20 4PW, United Kingdom
- **SIC:** 43220

### Officers

- MOCKETT, Graham David — director · British · appointed 2017-08-24
- MOCKETT, Janice — director · British · appointed 2018-04-01

### Beneficial owners (Persons with Significant Control)

- Mr Graham David Mockett — 50–75% shares · individual PSC · United Kingdom — since 2017-08-24
- Mrs Janice Mockett — 25–50% shares · individual PSC · United Kingdom — since 2017-08-24

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10931619
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10931619

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GDM PLUMBING & HEATING LTD**. Human view: https://whiteintel.dev/entity/aae8b254-855c-5eef-a058-fa95a93dc4db · Structured JSON: https://whiteintel.dev/api/public/dossier/aae8b254-855c-5eef-a058-fa95a93dc4db._

_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"._