---
title: "GEMSTONE EAM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/55976f9e-e2ed-5d4e-9feb-ac2c59f4b260
json: https://whiteintel.dev/api/public/dossier/55976f9e-e2ed-5d4e-9feb-ac2c59f4b260
identifier: oo:GB-COH-14203855
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GEMSTONE EAM LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-14203855`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/55976f9e-e2ed-5d4e-9feb-ac2c59f4b260  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/55976f9e-e2ed-5d4e-9feb-ac2c59f4b260  

## Ownership & control

### Owners / controllers

- **Mr Jonathan Barker** (beneficial owner) — 50% — https://whiteintel.dev/entity/5e1e7435-897e-5ea5-9ec1-8d13f7dc9c2f
- **Mrs Debbie Barker** (beneficial owner) — 50% — https://whiteintel.dev/entity/e57b59cf-325e-5cef-8bf3-7c0a7feb1d1d
- **Mr Jonathan Paul Barker** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/4a3f602e-7056-4f67-9e76-bdb0b4462172
- **Mrs Debbie Barker** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/fbd51f68-1b74-4529-b7d4-d764aa4d7227

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

1. **Mr Jonathan Barker** — beneficial owner 50% → *GEMSTONE EAM LIMITED*
1. **Mrs Debbie Barker** — beneficial owner 50% → *GEMSTONE EAM LIMITED*
1. **Mr Jonathan Paul Barker** — beneficial owner 37.5% → *GEMSTONE EAM LIMITED*
1. **Mrs Debbie Barker** — beneficial owner 37.5% → *GEMSTONE EAM LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `14203855`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-06-29
- **Registered office:** 12 Darley Abbey Mills, Darley Abbey, Derby, DE22 1DZ, England
- **SIC:** 62020

### Officers

- BARKER, Debbie — director · British · appointed 2022-06-29
- BARKER, Jonathan Paul — director · British · appointed 2022-06-29

### Beneficial owners (Persons with Significant Control)

- Mr Jonathan Paul Barker — 25–50% shares · individual PSC · England — since 2022-06-29
- Mrs Debbie Barker — 25–50% shares · individual PSC · England — since 2022-06-29

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14203855
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14203855

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GEMSTONE EAM LIMITED**. Human view: https://whiteintel.dev/entity/55976f9e-e2ed-5d4e-9feb-ac2c59f4b260 · Structured JSON: https://whiteintel.dev/api/public/dossier/55976f9e-e2ed-5d4e-9feb-ac2c59f4b260._

_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"._