---
title: "DOLPHYN HYDROGEN LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/df8cc51b-300e-5cda-a806-e36d8dab365d
json: https://whiteintel.dev/api/public/dossier/df8cc51b-300e-5cda-a806-e36d8dab365d
identifier: oo:GB-COH-13970327
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# DOLPHYN HYDROGEN LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-13970327`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/df8cc51b-300e-5cda-a806-e36d8dab365d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/df8cc51b-300e-5cda-a806-e36d8dab365d  

## Ownership & control

### Owners / controllers

- **ERM-EUROPE,LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/5c86c50e-abf9-5659-b6b4-9849e7f3de59
- **ERM-EUROPE,LTD** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/5c86c50e-abf9-5659-b6b4-9849e7f3de59

### Holdings / subsidiaries

- **DOLPHYN HYDROGEN - CELTIC SEA SPV LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/d9ae8cd8-9be5-5df2-ab5d-67db2abadea3
- **DOLPHYN HYDROGEN - NORTH SEA SPV LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a87b1d1a-025c-5a1c-8bff-cf85e1a6e34a
- **DOLPHYN HYDROGEN - NORTH SEA SPV LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a87b1d1a-025c-5a1c-8bff-cf85e1a6e34a
- **DOLPHYN HYDROGEN - CELTIC SEA SPV LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d9ae8cd8-9be5-5df2-ab5d-67db2abadea3

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

1. **ERM-EUROPE,LTD** — beneficial owner 100% → *DOLPHYN HYDROGEN LIMITED*
1. **ERM-EUROPE,LTD** — beneficial owner 87.5% → *DOLPHYN HYDROGEN LIMITED*
2. **ERM LIMITED** — beneficial owner 100% → *ERM-EUROPE,LTD*
2. **ERM LIMITED** — beneficial owner 87.5% → *ERM-EUROPE,LTD*
3. **EAGLE 4 LIMITED** — beneficial owner 100% → *ERM LIMITED*
3. **EAGLE 4 LIMITED** — beneficial owner 87.5% → *ERM LIMITED*
4. **EMERALD 2 LIMITED** — beneficial owner 100% → *EAGLE 4 LIMITED*
4. **EMERALD 2 LIMITED** — beneficial owner 87.5% → *EAGLE 4 LIMITED*
4. **Emerald 3 Limited** — beneficial owner 87.5% → *EAGLE 4 LIMITED*
4. **Eagle 3 Limited** — beneficial owner 87.5% → *EAGLE 4 LIMITED*
5. **Emerald 3 Limited** — beneficial owner 87.5% → *Eagle 3 Limited*
5. **Emerald 3 Limited** — beneficial owner 87.5% → *Eagle 3 Limited*
5. **EX-EMILION LIMITED** — beneficial owner 100% → *EMERALD 2 LIMITED*
5. **NATURE BIDCO LIMITED** — beneficial owner 100% → *EMERALD 2 LIMITED*
5. **NATURE BIDCO LIMITED** — beneficial owner 87.5% → *EMERALD 2 LIMITED*
5. **EX-EMILION LIMITED** — beneficial owner 87.5% → *EMERALD 2 LIMITED*
5. **Erm Worldwide Limited** — beneficial owner 87.5% → *EMERALD 2 LIMITED*
6. **EX-EMILION LIMITED** — beneficial owner 87.5% → *Erm Worldwide Limited*
6. **NATURE MIDCO LIMITED** — beneficial owner 100% → *NATURE BIDCO LIMITED*
6. **NATURE MIDCO LIMITED** — beneficial owner 87.5% → *NATURE BIDCO LIMITED*
6. **ERM WORLDWIDE GROUP LIMITED** — beneficial owner 100% → *EX-EMILION LIMITED*
6. **NATURE BIDCO LIMITED** — beneficial owner 100% → *EX-EMILION LIMITED*
6. **NATURE BIDCO LIMITED** — beneficial owner 87.5% → *EX-EMILION LIMITED*
6. **ERM WORLDWIDE GROUP LIMITED** — beneficial owner 87.5% → *EX-EMILION LIMITED*

## Company profile (live · UK Companies House)

- **Company number:** `13970327`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2022-03-11
- **Registered office:** 2ND FLOOR, EXCHEQUER COURT, 33 ST MARY AXE, LONDON, EC3A 8AA
- **SIC:** 35210 - Manufacture of gas, 35230 - Trade of gas through mains, 43999 - Other specialised construction activities n.e.c., 71121 - Engineering design activities for industrial process and production

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13970327
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13970327

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **DOLPHYN HYDROGEN LIMITED**. Human view: https://whiteintel.dev/entity/df8cc51b-300e-5cda-a806-e36d8dab365d · Structured JSON: https://whiteintel.dev/api/public/dossier/df8cc51b-300e-5cda-a806-e36d8dab365d._

_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"._