---
title: "HYDROGEN CAPITAL GROWTH (GP) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/86e40775-60a3-5c15-82ea-89ec20d10c19
json: https://whiteintel.dev/api/public/dossier/86e40775-60a3-5c15-82ea-89ec20d10c19
identifier: oo:GB-COH-13407844
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HYDROGEN CAPITAL GROWTH (GP) LIMITED

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-13407844`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/86e40775-60a3-5c15-82ea-89ec20d10c19  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/86e40775-60a3-5c15-82ea-89ec20d10c19  

## Ownership & control

### Owners / controllers

- **SERPENTINE LAKE CAPITAL LLP** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/b41081bb-2dbe-5d8d-8743-4f57b682b1b1
- **HYDROGEN CAPITAL GROWTH LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/22b9c87e-7fdf-5d62-96f9-48f831bc6510

### Holdings / subsidiaries

- **HYDROGEN CAPITAL GROWTH (NOMINEE) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c21f2ccf-59e2-5018-97a5-4394e21bf0e5

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

1. **SERPENTINE LAKE CAPITAL LLP** — beneficial owner 87.5% → *HYDROGEN CAPITAL GROWTH (GP) LIMITED*
1. **HYDROGEN CAPITAL GROWTH LIMITED** — beneficial owner 87.5% → *HYDROGEN CAPITAL GROWTH (GP) LIMITED*
2. **Dt John Joseph Traynor** — beneficial owner 87.5% → *HYDROGEN CAPITAL GROWTH LIMITED*
2. **Mr Richard John Hulf** — beneficial owner → *SERPENTINE LAKE CAPITAL LLP*
2. **Dt John Joseph Traynor** — beneficial owner → *SERPENTINE LAKE CAPITAL LLP*

## Company profile (live · UK Companies House)

- **Company number:** `13407844`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-05-19
- **Registered office:** 4th Floor, 140 Aldersgate Street, London, EC1A 4HY, England
- **SIC:** 66300

### Officers

- [APEX LISTED COMPANIES SERVICES (UK) LIMITED](https://whiteintel.dev/entity/45160652-8881-523f-b635-aaa98bfcb8c1) — corporate secretary · appointed 2021-05-19
- HOGAN, Simon Gerard — director · British · appointed 2021-07-04
- ROTHEROE, Abigail Emma — director · British · appointed 2022-02-08
- BELL, Roger — director · British · appointed 2021-11-10 · resigned 2022-05-04
- BUCKNALL, David James — director · British · appointed 2022-05-20 · resigned 2025-03-21
- COOK, Caroline Elizabeth — director · British · appointed 2021-07-04 · resigned 2022-04-07
- HULF, Richard John — director · British · appointed 2021-05-19 · resigned 2021-07-04
- MAGNESEN, Erik Fantoft — director · Norwegian · appointed 2025-03-21 · resigned 2026-04-30
- SCHIPSTRA, Afkenel Cornelia Saskia — director · Dutch · appointed 2021-07-04 · resigned 2026-05-12
- TRAYNOR, John Joseph, Dt — director · British · appointed 2021-05-19 · resigned 2021-07-04

### Beneficial owners (Persons with Significant Control)

- [Hydrogenone Capital Growth Plc](https://whiteintel.dev/entity/22b9c87e-7fdf-5d62-96f9-48f831bc6510) — 75–100% shares · corporate PSC · United Kingdom — since 2021-07-04
- [Hydrogenone Capital Llp](https://whiteintel.dev/entity/b41081bb-2dbe-5d8d-8743-4f57b682b1b1) — 75–100% shares · corporate PSC · United Kingdom — ceased 2021-07-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13407844

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HYDROGEN CAPITAL GROWTH (GP) LIMITED**. Human view: https://whiteintel.dev/entity/86e40775-60a3-5c15-82ea-89ec20d10c19 · Structured JSON: https://whiteintel.dev/api/public/dossier/86e40775-60a3-5c15-82ea-89ec20d10c19._

_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"._