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Company

Hartree Partners (UK) Limited

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Official record Companies House · updated 27th September 2026 · Sources

Network

The large node is Hartree Partners (UK) Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 4

  1. Jonathan Hugh O'Neill 1998-2024 Director View profile
  2. Heiko Voelker 1998-2025 Director View profile
  3. John Barnett Hess 1997-2015 Director View profile
  4. Leon Hess 1997-1999 Director View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
03/10/1997

Group

No further corporate or individual controller is recorded above Hartree Partners (UK) Limited on the PSC register - it appears to be the top of its group.

4 other companies in this group

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Board analysis

Board DNA

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

14y median 9.2y
average tenure
28.8y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (5)

0
also govern a charity
0
left in the last 12 months

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.

Finance 42Professional services 34Utilities 19Retail and trade 3Business services 2

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.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
03446989
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data