--- title: "HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED — Ownership Dossier" canonical: https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d json: https://whiteintel.dev/api/public/dossier/d51cc888-5780-5504-a915-4ea339fdcd4d identifier: oo:GB-COH-04308186 jurisdiction: GB risk: Low source: WhiteIntel corporate-ownership graph --- # HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED **Type:** Company **Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb) **Identifier:** `oo:GB-COH-04308186` **Risk level:** Low **Canonical dossier:** https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d **Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/d51cc888-5780-5504-a915-4ea339fdcd4d ## Cross-source identity The same real-world entity, resolved across sources: - **HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED** — GLEIF · `lei:549300SCF5VV6YS19T57` — https://whiteintel.dev/entity/a6b13eee-59ec-5b3b-8ce5-343d46e98dd8 ## Ownership & control ### Owners / controllers - **Hartree Partners, Lp** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bde289c9-a900-4edb-a27f-dba1a0d3a9f4 ### Holdings / subsidiaries - **AMPYR ENERGY UK LLP** (beneficial owner) — 50% — https://whiteintel.dev/entity/b96a4d8e-e18a-5aab-b925-8b3ee5f9e385 - **HARTREE SOLUTIONS LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8103e56a-eeb7-504f-aada-d73cd297a3ee - **HARTREE PARTNERS CAPITAL MANAGEMENT (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/5f5e86a9-9c87-5c23-a565-a61e211c2e95 - **HARTREE PARTNERS SUPPLY (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/8abf9f7b-21aa-5457-ab83-f455989ce9ec - **HARTREE LAND LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a0c50f8a-86fb-55a5-aa83-e0adb54c7351 - **HARTREE PEAKING 2 (HOLDINGS) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/ed100bc1-d51f-5992-b5bd-07023fb7e807 - **HARTREE PARTNERS SECURITIES (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/497d4a26-de6e-57f9-a1cb-55143f12b662 - **HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/a77bb364-552e-5974-a43b-0f8c474ae887 - **HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/a77bb364-552e-5974-a43b-0f8c474ae887 - **HARTREE SOLUTIONS LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8103e56a-eeb7-504f-aada-d73cd297a3ee - **HARTREE PARTNERS SECURITIES (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/497d4a26-de6e-57f9-a1cb-55143f12b662 - **HARTREE PARTNERS SUPPLY (UK) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/8abf9f7b-21aa-5457-ab83-f455989ce9ec …and **15** 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 **3-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:** `04308186` - **Status:** active - **Type:** ltd - **Incorporated:** 2001-10-19 - **Registered office:** Level 8 123 Buckingham Palace Road, London, SW1W 9SH, England - **SIC:** 74909 ### Officers - CHEVALLIER, Lea Marie Anne Bernadette — director · French · appointed 2026-03-11 - GARSKE, Paul Martin — director · British · appointed 2001-11-05 - HENDEL, Stephen Michael — director · American · appointed 2001-11-05 - KITCHENER, Ellis Guy — director · British · appointed 2025-07-10 - SEMLITZ, Stephen Michael — director · American · appointed 2001-11-05 - [BREAMS SECRETARIES LIMITED](https://whiteintel.dev/entity/169be5c9-b425-5c4a-96c4-79645e9373c4) — corporate secretary · appointed 2001-11-05 · resigned 2021-06-30 - SWIFT INCORPORATIONS LIMITED — corporate nominee secretary · appointed 2001-10-19 · resigned 2001-11-05 - GALLAGHER, David Anthony — director · British · appointed 2001-12-12 · resigned 2003-11-28 - LEFEBVRE, Thomas Roger Ghislain — director · French · appointed 2025-10-13 · resigned 2026-05-29 - O'NEILL, Jonathan Hugh — director · British · appointed 2001-11-05 · resigned 2024-10-15 - VOELKER, Heiko — director · German · appointed 2001-11-05 · resigned 2025-07-04 - INSTANT COMPANIES LIMITED — corporate nominee director · appointed 2001-10-19 · resigned 2001-11-05 ### Beneficial owners (Persons with Significant Control) - Hartree Partners, Lp — 75–100% shares · corporate PSC · United States — ceased 2018-05-01 ## Provenance - OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/04308186 - companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/04308186 ## 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 & GAS COMPANY (UK) LIMITED** — https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d · pricing https://whiteintel.dev/pricing. --- _This is the markdown-for-agents view of the WhiteIntel dossier for **HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED**. Human view: https://whiteintel.dev/entity/d51cc888-5780-5504-a915-4ea339fdcd4d · Structured JSON: https://whiteintel.dev/api/public/dossier/d51cc888-5780-5504-a915-4ea339fdcd4d._ _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"._