---
title: "MARCHWOOD POWER LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b1d52730-e177-5d11-b1af-2c106780a5ff
json: https://whiteintel.dev/api/public/dossier/b1d52730-e177-5d11-b1af-2c106780a5ff
identifier: oo:GB-COH-04229146
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MARCHWOOD POWER LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-04229146`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b1d52730-e177-5d11-b1af-2c106780a5ff  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b1d52730-e177-5d11-b1af-2c106780a5ff  

## Cross-source identity

The same real-world entity, resolved across sources:

- **MARCHWOOD POWER LIMITED** — GLEIF · `lei:213800HY4N747Z7WNP82` — https://whiteintel.dev/entity/45feb2ce-de7d-5b8e-bbec-a481fb367a43

## Ownership & control

### Owners / controllers

- **SSE THERMAL GENERATION HOLDINGS LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/3648cff8-e62a-52df-a991-42d0ae1d7948
- **SSE GENERATION LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/420e4deb-d262-5fa7-b03c-052b4991d273
- **SSE GENERATION LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/420e4deb-d262-5fa7-b03c-052b4991d273
- **Münchener Rückversicherungsgesellschaft Aktien--Gesselschaft In München** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/e2f36a4b-63c7-4451-87a7-5d276495f61e

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

A **10-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `04229146`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2001-06-05
- **Registered office:** Oceanic Way, Marchwood Industrial Park, Marchwood, Southampton, SO40 4BD
- **SIC:** 35110

### Officers

- SWAN, Colin Charles — secretary · appointed 2024-06-06
- BEATTIE, Martin — director · British · appointed 2022-06-01
- COOK, Matthew — director · British · appointed 2022-12-07
- HOLZMAIR, Stefan Michael — director · German · appointed 2019-01-01
- RUDD, Adrian Marc James — director · British · appointed 2022-03-21
- BASTIANELLI, Tarryn — secretary · appointed 2022-06-01 · resigned 2024-06-06
- COLLEY, Carole Ann — secretary · American · appointed 2001-06-05 · resigned 2002-08-30
- DAY, Matthew George — secretary · appointed 2021-06-01 · resigned 2022-06-01
- KEELING, Julia Vera — secretary · British · appointed 2001-06-25 · resigned 2002-08-30
- LOMAS, Paul Andrew James — secretary · appointed 2014-12-11 · resigned 2021-06-01
- O'BRIEN, Michael — secretary · Irish · appointed 2004-01-30 · resigned 2013-11-21
- WADDELL, Archie Stuart — secretary · appointed 2013-11-21 · resigned 2014-12-11
- ASHLEY SECRETARIES LIMITED — corporate secretary · appointed 2002-08-30 · resigned 2004-01-30
- RM REGISTRARS LIMITED — corporate nominee secretary · appointed 2001-06-05 · resigned 2001-06-05
- ABT, Robert — director · German · appointed 2013-11-21 · resigned 2022-03-08
- BASTIANELLI, Tarryn — director · British · appointed 2022-06-01 · resigned 2022-06-01
- BEATTIE, Martin — director · British · appointed 2020-04-01 · resigned 2022-06-01
- BOWMAN, Arlene — director · British · appointed 2017-03-24 · resigned 2020-04-01
- BRYDON, Antony Gavin Dominic, Dr — director · British · appointed 2007-10-18 · resigned 2010-08-19
- BYRNE, Joseph — director · Irish · appointed 2010-03-24 · resigned 2012-11-06

### Beneficial owners (Persons with Significant Control)

- [Sse Thermal Generation Holdings Limited](https://whiteintel.dev/entity/3648cff8-e62a-52df-a991-42d0ae1d7948) — 25–50% shares · corporate PSC · United Kingdom — since 2021-07-22
- Munchener Ruckversicherungs Gesellschaft Aktiengesellschaft — 25–50% shares · corporate PSC · Germany — since 2016-04-06
- [Sse Generation Limited](https://whiteintel.dev/entity/420e4deb-d262-5fa7-b03c-052b4991d273) — 25–50% shares · corporate PSC · United Kingdom — ceased 2021-07-22

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04229146
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04229146

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **MARCHWOOD POWER LIMITED** — https://whiteintel.dev/entity/b1d52730-e177-5d11-b1af-2c106780a5ff · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MARCHWOOD POWER LIMITED**. Human view: https://whiteintel.dev/entity/b1d52730-e177-5d11-b1af-2c106780a5ff · Structured JSON: https://whiteintel.dev/api/public/dossier/b1d52730-e177-5d11-b1af-2c106780a5ff._

_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"._