Company
Principal Medical Limited
Official record Companies House · updated 4th October 2026 · Sources
Network
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Who leads it
- Dr Sudhagar KrishnasamyDirector · since 2025
- Dr Mark Stephen GrayDirector · since 2022
- David Anthony SummersgillDirector · since 2017
- Dr Tobias Penruddocke QuartleyDirector · since 2017
- Dr Graham John BarterDirector · since 2014
- Andrew Russell CampDirector · since 2009
- Dr John Myles HarrisonDirector · since 2004
- Andrew Dominic MooreSecretary · since 2025
- Carolyn AbbisogniSecretary · since 2015
Previous officers 23
- Maureen Jane Green 2024-2026 View profile
- Ruta Lija Baines 2024-2026 View profile
- Dr Mark Jonathan Wallace 2020-2025 View profile
- Eleanor Ruth Alexander Baylis 2019-2023 View profile
- Andrew James Elphick 2016-2023 View profile
- Dr Stephen Smith 2015-2017 View profile
- Dr Simon Richard Cartwright 2013-2019 View profile
- Laura Spurs 2010-2019 View profile
- Jim Howson 2010-2012 View profile
- Dr John Neil Fisher 2010-2020 View profile
- Michael William Weaver Kidd 2008-2009 View profile
- Dr Angela Lesley Anderson 2007-2011 View profile
- Joanne Louise Cowley 2007-2016 View profile
- Helen Robins 2007-2016 View profile
- Dr Jonathan Adam Galloway Williams 2004-2010 View profile
- Dr Simon De Voss 2004-2007 View profile
- Kenneth Grant Mann 2004-2017 View profile
- Michael Burrell 2024-2025 View profile
- Mark Michael Shelton 2014-2015 View profile
- Barry Plummer 2012-2014 View profile
- Frances Alison Maclean 2008-2009 View profile
- Dr Paul Parsons 2004-2009 View profile
- Philip John Stevens 2003-2004 View profile
Directors and secretaries as filed at Companies House.
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About
- Incorporated
- 26/02/2003
Group
No further corporate or individual controller is recorded above Principal Medical Limited on the PSC register - it appears to be the top of its group.
2 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.
Financials
- Net assets
- £5,525,573
- Total assets
- £7,024,487
- Cash
- £7,665,967
- Employees
- 270
- Turnover
- £15,563,003
- Profit/loss
- £805,202
Filed as Group accounts.
Figures from accounts filed at Companies House (iXBRL), period ending 2025-03-31. 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.
7 directors on the board
- Dr Graham John Barter Director · appointed 2014
- David Anthony Summersgill Director · appointed 2017
- Dr Tobias Penruddocke Quartley Director · appointed 2017
- Dr Sudhagar Krishnasamy Director · appointed 2025
- Dr Mark Stephen Gray Director · appointed 2022
- Andrew Russell Camp Director · appointed 2009
- Dr John Myles Harrison Director · appointed 2004
Directors past 6 years
- Dr Graham John Barter Director · appointed 2014
- David Anthony Summersgill Director · appointed 2017
- Dr Tobias Penruddocke Quartley Director · appointed 2017
- Andrew Russell Camp Director · appointed 2009
- Dr John Myles Harrison Director · appointed 2004
First-time vs portfolio directors
First-time (1)
- Andrew Russell Camp Director · appointed 2009
Portfolio (6)
- Dr Graham John Barter Director · appointed 2014
- David Anthony Summersgill Director · appointed 2017
- Dr Tobias Penruddocke Quartley Director · appointed 2017
- Dr Sudhagar Krishnasamy Director · appointed 2025
- Dr Mark Stephen Gray Director · appointed 2022
- Dr John Myles Harrison Director · appointed 2004
Left in the last 12 months
- Maureen Jane Green Director · appointed 2024 · resigned 2026
- Ruta Lija Baines Director · appointed 2024 · resigned 2026
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
- 04679678
- Status
- Active
- Type
- Private Limited Company
- Edition
- Register edition compiled 4th October 2026
- Labels
- Official record from Companies House · Calculated derived by Governance Register.
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