Company · Thame
Diamond Microwave Holdings Limited
Other manufacturing n.e.c.
Official record Companies House · updated 27th September 2026 · Sources
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Who leads it
Previous officers 5
- Martin John Hathaway 2014-2016 View profile
- Dr Richard John Lang 2012-2020 View profile
- Dr Thomas Robert Rowbotham 2012-2022 View profile
- Christopher William Ogilvie Thompson 2012-2015 View profile
- Quentin George Paul Cooke 2012-2016 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Other manufacturing n.e.c.
- Incorporated
- 27/03/2012
- Registered office
- Thame
Ownership
Owned by (4) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.
- The Partnership Investment Fund Limited
significant influence · notified 2016-04-06 - The ERA Foundation Limited
significant influence · notified 2016-04-06 - Oxford Technology ECF (GP) LLP
25-50% shares, 25-50% voting · notified 2019-07-31 - Oxford Technology Enterprise Capital Fund LP ceased 2019-07-31
significant influence · notified 2016-04-06
Group
- Diamond Microwave Holdings Limited
is controlled by The Partnership Investment Fund Limited
Evidence
active significant influence · notified 2016-04-06 · source: Companies House PSC register - The Partnership Investment Fund Limited
is controlled by Martin John Hathaway
Evidence
active 25-50% voting · notified 2016-04-06 · source: Companies House PSC register
Ultimately controlled by Martin John Hathaway.
9 other companies in this group
- The Partnership Investment Fund Limited
- Hathaway Business Services Limited
- Huddersfield Bondholders LTD
- The Partnership Investment Mezzanine Fund Limited
- The Partnership Investment Micro Loans Fund Limited
- Ypef Services Limited
- Diamond Microwave Devices Limited
- The Partnership Investment Small Loans Fund Limited
- The Partnership Investment Equity Fund Limited
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.
Financials
- Net assets
- £250,413
- Total assets
- £250,413
- Cash
- £53,543
- Turnover
- Not reported (small or micro-entity accounts)
Five-year trend
| Period ending | Turnover | Net assets |
|---|---|---|
| 2025-12-31 | Not reported | £250,413 |
| 2024-12-31 | Not reported | £186,656 |
Figures from accounts filed at Companies House (iXBRL), period ending 2025-12-31. Where turnover is absent, small and micro-entity accounts are not required to report it, so it is not shown as zero.
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.
3 directors on the board
- David John Livesley Director · appointed 2012
- David James Edmonds Denny Director · appointed 2012
- Michael Douglas Carr Director · appointed 2022
Directors past 6 years
- David John Livesley Director · appointed 2012
- David James Edmonds Denny Director · appointed 2012
First-time vs portfolio directors
Portfolio (3)
- David John Livesley Director · appointed 2012
- David James Edmonds Denny Director · appointed 2012
- Michael Douglas Carr Director · appointed 2022
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.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 08008820
- Status
- Active
- Type
- Private Limited Company
- Accounts next due
- 30/09/2027
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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