HARTREE PARTNERS (UK) LIMITED
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Cash
£3.8M
USD 5,033,000
-1.9% vs 2024
Net assets
£161M
USD 214,709,000
+5.6% highest in 3 filed years
Employees
—
Average over period
Profit before tax
£13M
USD 16,876,000
+85.3% vs 2024
Net assets
3-year trend · vs Industrials median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £206,909,717 | £114,741,728 | £181,517,443 | +58.2% | |
| Operating profit | £136,468,783 | £6,714,328 | £20,700,704 | +208.3% | |
| Profit before tax | £133,074,562 | £6,817,637 | £12,633,628 | +85.3% | |
| Net profit | £109,842,791 | £198,383 | £8,834,406 | +4,353.2% | |
| Cash | £1,456,056 | £3,838,898 | £3,767,780 | -1.9% | |
| Total assets less current liabilities | £153,455,607 | £152,159,006 | £160,734,391 | +5.6% | |
| Net assets | £153,455,607 | £152,159,006 | £160,734,391 | +5.6% | |
| Equity | £153,455,607 | £152,159,006 | £160,734,391 | +5.6% | |
| Average employees | 199 | 323 | — | — | |
| Wages | £39,645,156 | £70,407,995 | £79,385,387 | +12.8% | |
| Directors' remuneration | £2,448,720 | £2,374,607 | £2,395,568 | +0.9% |
Figures converted to GBP from USD at 0.749 per USD (Frankfurter spot rate) — hover any figure for the original. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Operating margin | 66.0% | 5.9% | 11.4% | |
| Net margin | 53.1% | 0.2% | 4.9% | |
| Return on capital employed | 88.9% | 4.4% | 12.9% | |
| Current ratio | 1.27x | 2.24x | 2.32x | |
| Interest cover | 25.05x | 1.31x | 1.75x |
Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Name history
Renamed 1 time since incorporation
- HARTREE PARTNERS (UK) LIMITED 2015-02-13 → present
- HESS ENERGY TRADING COMPANY (UK) LIMITED 1997-10-03 → 2015-02-13
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Consolidated group
- Auditor
- Ernst & Young Chartered Accountants
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“Based on the work we have performed, we have not identified any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the Group and parent company's ability to continue as a going concern for the period ending 30 April 2027.”
Group structure
- HARTREE PARTNERS (UK) LIMITED · parent
- Hartree (Germany) GmbH 100%
- Hartree Bio Synthese Gas Holding AT GmbH 100%
- Hartree Bio Synthese Gas Holding AT GmbH Co KG 100%
- Hartree BioSNG Produktions GmBH 100%
- Hartree Landschaftspflege GmBH 100%
- Hartree Partners (Australia) Pty Ltd 100%
- Hartree Partners Consulting (UK) Limited 100%
- Hartree Partners Commodities U.K. Limited 100%
- Hartree Partners (Netherlands) B.V. 100%
- Hartree Partners (Norway) AS 100%
- Hartree Partners Middle East DMCC 100%
- Hartree Partners (Spain) S.L. 100%
- Hartree Partners (UK) Limited (France Branch) 100%
- Hartree Solaris Limited 100%
- Hartree MI UK Limited 54.6%
- BOTRES HOLDING GMBH 54.4%
Significant events
- “On 7 March 2024, Hartree UK, acquired 50% of the share capital of Botres Holding GmbH which operates an engineering services ("EPC") business and a series of early-stage biogas plants in Austria and Poland.”
- “In April 2024, Hartree MI UK Limited, a jointly controlled entity was set up by Hartree UK and another subsidiary of Hartree. Hartree MI UK Limited acquired a group of 6 entities which includes an Australian nickel mine and related assets.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
5 active · 5 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| GARSKE, Paul Martin | Director | 2024-02-23 | Oct 1968 | British |
| HENDEL, Stephen Michael | Director | 1997-10-03 | Oct 1951 | American |
| KITCHENER, Ellis Guy | Director | 2025-07-10 | Aug 1975 | British |
| MERISON, Jonathan Guy | Director | 2017-05-12 | Jan 1960 | American,British |
| SEMLITZ, Stephen Michael | Director | 1997-10-03 | Feb 1953 | American |
Show 5 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| BREAMS SECRETARIES LIMITED | Corporate Secretary | 1997-10-03 | 2021-06-30 |
| HESS, John Barnett, Mr. | Director | 1997-10-03 | 2015-02-13 |
| HESS, Leon | Director | 1997-10-03 | 1999-05-07 |
| O'NEILL, Jonathan Hugh | Director | 1998-03-12 | 2024-10-15 |
| VOELKER, Heiko | Director | 1998-03-12 | 2025-07-04 |
Ownership
Persons with significant control
Filing timeline
Last 20 of 144 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-06-26 | AA | accounts | Accounts with accounts type group | |
| 2026-05-07 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-01-09 | CH01 | officers | Change person director company with change date | |
| 2026-01-09 | AD01 | address | Change registered office address company with date old address new address | |
| 2025-07-10 | AP01 | officers | Appoint person director company with name date | |
| 2025-07-08 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-19 | AA | accounts | Accounts with accounts type group | |
| 2025-05-12 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-10-18 | TM01 | officers | Termination director company with name termination date | |
| 2024-07-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-07-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-07-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-07-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-07-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-07-17 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-05-30 | AA | accounts | Accounts with accounts type group | |
| 2024-05-10 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-02-26 | AP01 | officers | Appoint person director company with name date | |
| 2024-01-11 | CH01 | officers | Change person director company with change date | |
| 2023-12-11 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 0
- Officers appointed
- 1
- Officers resigned
- 1
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.