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Istesso Therapeutics Limited

Istesso Therapeutics Limited is an active UK company (number 05414023), incorporated 2005, with 2 current directors, Dr Lisa Patel and Dr Samuel Cameron Williams. Source: Companies House, updated 11th October 2026.

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Official record Companies House · updated 11th October 2026 · Sources · Free, no card or password

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Who leads it

Previous officers 9

  1. Dr Clive James Dix 2007-2011 Director View profile
  2. Dr Alexander James Stevenson 2006-2008 Director View profile
  3. Dr Ian Wilding 2006-2014 Director View profile
  4. David Robert Norwood 2005-2008 Director View profile
  5. Alan John Aubrey 2005-2009 Director View profile
  6. John Quantrill Davies 2005-2006 Director View profile
  7. Dr David Bruce Campbell 2005-2010 Director View profile
  8. William James Turner 2008-2009 Secretary View profile
  9. Magnus James Goodlad 2005-2008 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
05/04/2005

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.

  • Istesso Limited
    75-100% shares, 75-100% voting, appoints directors · notified 2017-11-13
  • IP Group PLC ceased 2017-11-13
    50-75% shares · notified 2016-04-06

Group

  1. Istesso Therapeutics Limited is controlled by Istesso Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2017-11-13 · source: Companies House PSC register
  2. Istesso Limited is controlled by Dr Samuel Cameron Williams
    Evidence
    ceased 75-100% shares, 75-100% voting, appoints directors · notified 2017-05-05, ceased 2017-06-30 · source: Companies House PSC register

Ultimately controlled by Dr Samuel Cameron Williams.

8 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.

Grants received

3 grants · £1,204,622 total

360Giving data, published by funders. Coverage only includes funders who publish their grants to 360Giving, so these figures are a floor, not a complete picture.

Top funders

  • Department for Business, Energy and Industrial Strategy · £855,189 (2 grants)
  • Department for Science, Innovation and Technology · £349,433

Most recent

  • Department for Business, Energy and Industrial Strategy £167,9752022-04-01
  • Department for Business, Energy and Industrial Strategy £687,2142021-05-01
  • Department for Science, Innovation and Technology £349,4332021-01-11
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.

2 directors on the board

16.3y median 16.3y
average tenure
19.5y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (2)

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.

Professional services 7Dormant 3

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
05414023
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 11th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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