Company · Maidenhead Liquidation
Oxstem Limited
Research and experimental development on biotechnology
Official record Companies House · updated 27th September 2026 · Sources
Network
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Who leads it
Previous officers 7
- Dr Simon James Read 2020-2022 View profile
- Dr Brad Perkins 2016-2018 View profile
- Dr Mahkam Zanganeh 2016-2017 View profile
- Dr Carolyn Breege Porter 2016-2017 View profile
- Dr Michael Lewis Stein 2015-2019 View profile
- Nicholas Peter Merrick Watkins 2015-2016 View profile
- John Alexander Montgomery 2011-2015 View profile
Directors and secretaries as filed at Companies House.
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About
- What it does
- Research and experimental development on biotechnology
- Incorporated
- 20/07/2011
- Registered office
- Maidenhead
Group
No further corporate or individual controller is recorded above Oxstem Limited on the PSC register - it appears to be the top of its group.
6 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
- Robert William Duggan Director · appointed 2017
- Dr Stuart John Myles Collinson Director · appointed 2019
- Prof Stephen Graham Davies Director · appointed 2011
- James Hugh Charteris Mallinson Director · appointed 2017
- Raymond John Spencer Director · appointed 2015
Directors past 6 years
- Robert William Duggan Director · appointed 2017
- Dr Stuart John Myles Collinson Director · appointed 2019
- Prof Stephen Graham Davies Director · appointed 2011
- James Hugh Charteris Mallinson Director · appointed 2017
- Raymond John Spencer Director · appointed 2015
First-time vs portfolio directors
Portfolio (5)
- Robert William Duggan Director · appointed 2017
- Dr Stuart John Myles Collinson Director · appointed 2019
- Prof Stephen Graham Davies Director · appointed 2011
- James Hugh Charteris Mallinson Director · appointed 2017
- Raymond John Spencer Director · appointed 2015
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
- Narrow spread of sectors across the board
Where to look Suggested search: succession planning for long-tenured seats; directors from a wider range of sectors.
Sources
Official record from Companies House. Governance Register calculates the connections.
Record details
- Company number
- 07711860
- Status
- Liquidation
- Type
- Private Limited Company
- Accounts next due
- 31/03/2023
- Edition
- Register edition compiled 27th September 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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