Hartree Partners (UK) Limited
Company 03446989 Active
Connected board network
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This company's record is public. The network of who else its directors govern is compiled from the registers by us, and an account keeps it out of bulk scrapers.
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How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.
5 directors on the board
- Stephen Michael Semlitz Director · appointed 1997
- Jonathan Guy Merison Director · appointed 2017
- Paul Martin Garske Director · appointed 2024
- Stephen Michael Hendel Director · appointed 1997
- Ellis Guy Kitchener Director · appointed 2025
Directors past 6 years
- Stephen Michael Semlitz Director · appointed 1997
- Jonathan Guy Merison Director · appointed 2017
- Stephen Michael Hendel Director · appointed 1997
First-time vs portfolio directors
Portfolio (5)
- Stephen Michael Semlitz Director · appointed 1997
- Jonathan Guy Merison Director · appointed 2017
- Paul Martin Garske Director · appointed 2024
- Stephen Michael Hendel Director · appointed 1997
- Ellis Guy Kitchener Director · appointed 2025
Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.
The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.
Gaps to watch
- Several long-serving directors could step down together
Where to look Suggested search: succession planning for long-tenured seats.
Related organisations iRelated organisationsTwo groups, both deterministic from public records. Related organisations share two or more directors with this board - a real structural link, such as a subsidiary or group company. Connected through a shared director share exactly one person - a genuine connection, but not the same group.
Related organisations
- Hartree Partners Power & GAS Company (UK) Limited 4 shared directors
- Hartree Partners Consulting (UK) Limited 3 shared directors
- Hartree International Holdings Limited 3 shared directors
- Hartree Partners UK Employee Limited 3 shared directors
- Hartree Partners Services 1 Limited 3 shared directors
- Hartree Partners Services 2 Limited 3 shared directors
Deterministic, from public records.
Company details
| Number | 03446989 |
| Status | Active |
| Type | Private Limited Company |
| Incorporated | 03/10/1997 |
| Address | LEVEL 8, 123 BUCKINGHAM PALACE ROAD, LONDON, SW1W 9SH |
| Accounts next due | 30/09/2027 |
| Accounts last made up | 31/12/2025 |
Industry (SIC)
Ownership - persons with significant control (0)
No persons with significant control recorded.
Owns 5 companies iOwnsCompanies where this company is registered as having significant control, from the Companies House PSC (persons with significant control) register.
- Hartree Partners Consulting (UK) Limited
75-100% shares, 75-100% voting, appoints directors · notified 2022-12-29 - Hartree Partners Commodities U.K. Limited
75-100% shares, 75-100% voting, appoints directors · notified 2022-12-29 - Hartree MI UK Limited
50-75% shares, 50-75% voting · notified 2024-09-11 - Hartree Solaris Limited
75-100% shares, 75-100% voting, appoints directors · notified 2025-08-27 - Hartree Global Services Holdings Limited
75-100% shares, 75-100% voting, appoints directors · notified 2026-01-05
Officers (9)
- Ellis Guy Kitchener Director · appointed 2025
- Paul Martin Garske Director · appointed 2024
- Jonathan Guy Merison Director · appointed 2017
- Stephen Michael Semlitz Director · appointed 1997
- Stephen Michael Hendel Director · appointed 1997
Show 4 former officers
- Jonathan Hugh O'Neill Director · appointed 1998 · resigned 2024
- Heiko Voelker Director · appointed 1998 · resigned 2025
- Hess, John Barnett, Mr. Director · appointed 1997 · resigned 2015
- Leon Hess Director · appointed 1997 · resigned 1999
Directors and officers on the Companies House record, current and former.
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