---
title: "HARTREE SOLUTIONS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8103e56a-eeb7-504f-aada-d73cd297a3ee
json: https://whiteintel.dev/api/public/dossier/8103e56a-eeb7-504f-aada-d73cd297a3ee
identifier: oo:GB-COH-10982714
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# HARTREE SOLUTIONS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10982714`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8103e56a-eeb7-504f-aada-d73cd297a3ee  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8103e56a-eeb7-504f-aada-d73cd297a3ee  

## 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 SOLUTIONS ASSETS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/17334228-71f6-5d5f-b2f3-d63768385124
- **HARTREE SOLUTIONS ASSETS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/17334228-71f6-5d5f-b2f3-d63768385124

### 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:** `10982714`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-09-26
- **Registered office:** Level 8 123 Buckingham Palace Road, London, SW1W 9SH, England
- **SIC:** 74909

### Officers

- GARSKE, Paul Martin — director · British · appointed 2017-09-26
- MASON, Stephen John — director · British · appointed 2024-07-08
- SEMLITZ, Stephen Michael — director · American · appointed 2017-09-26
- [BREAMS SECRETARIES LIMITED](https://whiteintel.dev/entity/169be5c9-b425-5c4a-96c4-79645e9373c4) — corporate secretary · appointed 2017-09-26 · resigned 2021-06-30
- O'NEILL, Jonathan Hugh — director · British · appointed 2017-09-26 · 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/10982714
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10982714

## 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 SOLUTIONS LIMITED** — https://whiteintel.dev/entity/8103e56a-eeb7-504f-aada-d73cd297a3ee · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **HARTREE SOLUTIONS LIMITED**. Human view: https://whiteintel.dev/entity/8103e56a-eeb7-504f-aada-d73cd297a3ee · Structured JSON: https://whiteintel.dev/api/public/dossier/8103e56a-eeb7-504f-aada-d73cd297a3ee._

_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"._