---
title: "EFEM LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a9effbec-b6ea-51fa-9fcd-e81edd0d8fad
json: https://whiteintel.dev/api/public/dossier/a9effbec-b6ea-51fa-9fcd-e81edd0d8fad
identifier: oo:GB-COH-15968919
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# EFEM LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-15968919`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a9effbec-b6ea-51fa-9fcd-e81edd0d8fad  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a9effbec-b6ea-51fa-9fcd-e81edd0d8fad  

## Ownership & control

### Owners / controllers

- **Elias Konstantin Idel** (beneficial owner) — 50% — https://whiteintel.dev/entity/28bb9fae-c284-5974-853c-508e2930f256
- **Declan Walt Barry** (beneficial owner) — 50% — https://whiteintel.dev/entity/41f85af5-befd-5df9-8e5f-68d754f220c1

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

1. **Elias Konstantin Idel** — beneficial owner 50% → *EFEM LTD*
1. **Declan Walt Barry** — beneficial owner 50% → *EFEM LTD*

## Company profile (live · UK Companies House)

- **Company number:** `15968919`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-09-20
- **Registered office:** 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, United Kingdom
- **SIC:** 63120

### Officers

- BARRY, Declan Walt — director · English · appointed 2024-09-20
- IDEL, Elias Konstantin — director · German · appointed 2024-09-20

### Beneficial owners (Persons with Significant Control)

- Elias Konstantin Idel — 25–50% shares · individual PSC · United Kingdom — since 2024-09-20
- Declan Walt Barry — 25–50% shares · individual PSC · United Kingdom — since 2024-09-20

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/15968919

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **EFEM LTD**. Human view: https://whiteintel.dev/entity/a9effbec-b6ea-51fa-9fcd-e81edd0d8fad · Structured JSON: https://whiteintel.dev/api/public/dossier/a9effbec-b6ea-51fa-9fcd-e81edd0d8fad._

_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"._