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Company · Cardiff

Silence Therapeutics PLC

Research and experimental development on biotechnology

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

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Who leads it

Previous officers 51

  1. Craig Tooman 2022-2025 Director View profile
  2. Dr Michael Davidson 2021-2025 Director View profile
  3. Mark Rothera 2020-2022 Director View profile
  4. Dr Giles Victor Campion 2020-2023 Director View profile
  5. Dr Steven Romano 2019-2023 Director View profile
  6. Dr David Horn Solomon 2018-2019 Director View profile
  7. Annalisa Lisa Mary Jenkins 2017-2018 Director View profile
  8. Dr Andrew John Mcglashan Richards 2016-2019 Director View profile
  9. David John Ellam 2016-2019 Director View profile
  10. Dr Stuart John Myles Collinson 2016-2016 Director View profile
  11. Alistair William Gray 2015-2024 Director View profile
  12. Lars Georg Emanuel Karlsson 2015-2016 Director View profile
  13. Dr Stephen Barry Parker 2013-2019 Director View profile
  14. Dr Alastair James Riddell 2013-2015 Director View profile
  15. Simon John Sturge 2013-2016 Director View profile
  16. Annie Cheng 2013-2014 Director View profile
  17. Timothy Charles Adrian Freeborn 2012-2016 Director View profile
  18. Dr Michael Mohamed Tarik Khan 2012-2016 Director View profile
  19. Ali Mortazavi 2012-2018 Director View profile
  20. Dr Anthony Sedgwick 2012-2012 Director View profile
  21. Thomas Christely 2011-2012 Director View profile
  22. David Mack 2010-2013 Director View profile
  23. Philip Haworth 2010-2011 Director View profile
  24. James Topper 2010-2011 Director View profile
  25. Annette Clancy 2008-2012 Director View profile
  26. Jeremy Anthony Philip Randall 2008-2013 Director View profile
  27. Jeffery Scott Vick 2007-2008 Director View profile
  28. Jeremy Lawrence Curnock Cook 2005-2010 Director View profile
  29. Dr Bernd Otto Wetzel 2005-2010 Director View profile
  30. Dr David Charles U'Prichard 2005-2011 Director View profile
  31. Hugh Ronald Peter Reynolds 2004-2010 Director View profile
  32. David Hill 2003-2004 Director View profile
  33. John Anthony Lambert 2000-2004 Director View profile
  34. Prof Duncan Geddes 2000-2002 Director View profile
  35. Dr Thomas Lang 1998-2002 Director View profile
  36. Dr David Anthony Kennard 1997-2003 Director View profile
  37. Timothy Chard 1997-2003 Director View profile
  38. Iain Nils Hessey Rugheimer 1994-2008 Director View profile
  39. Professor Graham Arthur William Rook 1994-2001 Director View profile
  40. Simon Oliver Henry Warren 1994-1998 Director View profile
  41. Eric James Boyle 1994-2004 Director View profile
  42. Dr John Lawson Stanford 1994-2001 Director View profile
  43. Professor Sir John Ridley Pattison 1994-1999 Director View profile
  44. Cynthia Ann Stanford 1994-1998 Director View profile
  45. John Wilson Carswell 1994-1995 Director View profile
  46. Sarah Murphy 2022-2023 Secretary View profile
  47. Dr Barbara Ruskin 2020-2022 Secretary View profile
  48. Dr Robert Quinn 2019-2020 Secretary View profile
  49. Tim Freeborn 2012-2016 Secretary View profile
  50. Max Stephen Herrmann 2010-2012 Secretary View profile
  51. Jon Melvyn Davies 1994-2010 Secretary 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
18/11/1994
Registered office
Cardiff
Previous names
SR Pharma PLC (until 26/04/2007)

Ownership

Owned by (2) 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.

Group

  1. Silence Therapeutics PLC is controlled by Richard Ian Griffiths
    Evidence
    active 25-50% shares · notified 2025-08-04 · source: Companies House PSC register

Ultimately controlled by Richard Ian Griffiths.

15 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.

4 directors on the board

5.9y median 7.2y
average tenure
8.1y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (2)

0
also govern a charity

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.

Professional services 2Finance 1Manufacturing 1Mining 1Tech and media 1

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
02992058
Status
Active
Type
Public Limited Company
Accounts next due
30/06/2027
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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