---
title: "GREENHYD ALPHA LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/d6f4d8db-58ac-5c8b-97fc-e290afaf665a
json: https://whiteintel.dev/api/public/dossier/d6f4d8db-58ac-5c8b-97fc-e290afaf665a
identifier: oo:GB-COH-11315123
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GREENHYD ALPHA LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11315123`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/d6f4d8db-58ac-5c8b-97fc-e290afaf665a  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d6f4d8db-58ac-5c8b-97fc-e290afaf665a  

## Ownership & control

### Owners / controllers

- **Mr Reginald Stephen Hollman** (beneficial owner) — 100% — https://whiteintel.dev/entity/f99c466c-be0a-5c90-8d6f-a1b6cc9fc938
- **PILMAIQUEN H2-ENERGY HOLDING LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/ef6b8a51-0efd-5a76-bebe-c6e23532c8fe

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

1. **Mr Reginald Stephen Hollman** — beneficial owner 100% → *GREENHYD ALPHA LTD*
1. **PILMAIQUEN H2-ENERGY HOLDING LTD** — beneficial owner 100% → *GREENHYD ALPHA LTD*
2. **Mr Reginald Stephen Hollman** — beneficial owner 100% → *PILMAIQUEN H2-ENERGY HOLDING LTD*
2. **Mr Reginald Stephen Hollman** — beneficial owner 87.5% → *PILMAIQUEN H2-ENERGY HOLDING LTD*

## Company profile (live · UK Companies House)

- **Company number:** `11315123`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-04-17
- **Registered office:** Unit 19 Atlas Business Centre,, Oxgate Lane, London, NW2 7HJ, England
- **SIC:** 82110

### Officers

- HOLLMAN, Reginald Stephen — director · British · appointed 2018-04-17 · resigned 2024-08-01
- KIRCHNER, Thilo — director · Swiss · appointed 2024-08-01 · resigned 2024-09-01

### Beneficial owners (Persons with Significant Control)

- [Romwind Holding Ltd](https://whiteintel.dev/entity/ef6b8a51-0efd-5a76-bebe-c6e23532c8fe) — 75–100% shares · corporate PSC · England — since 2020-06-01
- Mr Reginald Stephen Hollman — 75–100% shares · individual PSC · United Kingdom — ceased 2020-06-19

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11315123
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11315123

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GREENHYD ALPHA LTD**. Human view: https://whiteintel.dev/entity/d6f4d8db-58ac-5c8b-97fc-e290afaf665a · Structured JSON: https://whiteintel.dev/api/public/dossier/d6f4d8db-58ac-5c8b-97fc-e290afaf665a._

_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"._