---
title: "HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/a77bb364-552e-5974-a43b-0f8c474ae887
json: https://whiteintel.dev/api/public/dossier/a77bb364-552e-5974-a43b-0f8c474ae887
identifier: oo:GB-COH-10013510
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10013510`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/a77bb364-552e-5974-a43b-0f8c474ae887  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/a77bb364-552e-5974-a43b-0f8c474ae887  

## Ownership & control

### Owners / controllers

- **HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d
- **HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d

### Holdings / subsidiaries

- **HARTREE PEAKING 2 (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/ed100bc1-d51f-5992-b5bd-07023fb7e807
- **HARTREE SOLUTIONS (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/bae52615-3b27-563a-b7d8-f26fe54b1fce
- **HARTREE PEAKING (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/6c31c30c-3a1d-5cfd-93a0-fa84a63472b4
- **KINGSMOOR POWER LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/14a58606-c2cb-5e62-908e-9a9936fe5d6f
- **POWERTREE (HOLDINGS) LIMITED** (beneficial owner) — 75% — https://whiteintel.dev/entity/9db72df4-18e4-5fc4-957e-a36473ddcbef
- **HARTREE LAND LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a0c50f8a-86fb-55a5-aa83-e0adb54c7351
- **HARTREE PEAKING 2 (HOLDINGS) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ed100bc1-d51f-5992-b5bd-07023fb7e807
- **HARTREE LAND LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a0c50f8a-86fb-55a5-aa83-e0adb54c7351
- **HARTREE SOLUTIONS (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bae52615-3b27-563a-b7d8-f26fe54b1fce
- **KINGSMOOR POWER LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/14a58606-c2cb-5e62-908e-9a9936fe5d6f
- **HARTREE PARTNERS POWER HOLDINGS 2 (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/e2b9d283-17c0-58f4-bae7-f6f642463c9e
- **POWERTREE (HOLDINGS) LIMITED** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/9db72df4-18e4-5fc4-957e-a36473ddcbef

…and **1** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

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

A **5-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:** `10013510`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2016-02-18
- **Registered office:** Level 8 123 Buckingham Palace Road, London, SW1W 9SH, England
- **SIC:** 74909

### Officers

- GARSKE, Paul Martin — director · British · appointed 2016-02-18
- MASON, Stephen John — director · British · appointed 2024-07-08
- SEMLITZ, Stephen Michael — director · American · appointed 2016-02-18
- [BREAMS SECRETARIES LIMITED](https://whiteintel.dev/entity/169be5c9-b425-5c4a-96c4-79645e9373c4) — corporate secretary · appointed 2016-02-18 · resigned 2021-06-30
- O'NEILL, Jonathan Hugh — director · British · appointed 2016-02-18 · resigned 2024-07-08

### Beneficial owners (Persons with Significant Control)

- [Hartree Partners Power & Gas Company (Uk) Limited](https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d) — 75–100% shares · corporate PSC · England — ceased 2020-03-16

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10013510
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10013510

## 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 **HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED** — https://whiteintel.dev/entity/a77bb364-552e-5974-a43b-0f8c474ae887 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED**. Human view: https://whiteintel.dev/entity/a77bb364-552e-5974-a43b-0f8c474ae887 · Structured JSON: https://whiteintel.dev/api/public/dossier/a77bb364-552e-5974-a43b-0f8c474ae887._

_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"._