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Company

Quadro Harston Limited

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Official record Companies House · updated 4th October 2026 · Sources

Network

The large node is Quadro Harston Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 37

  1. Sameet Vohra 2021-2021 Director View profile
  2. Rebecca Anne Archer 2014-2021 Director View profile
  3. Neil Anthony Elton 2010-2014 Director View profile
  4. Brent Christopher Hudson 2009-2012 Director View profile
  5. Dr Alistair John Cameron Brown 2007-2009 Director View profile
  6. Daniel James Flicos 2006-2009 Director View profile
  7. John Gordon Townsend 2004-2007 Director View profile
  8. Mark Thomas Clark 2003-2003 Director View profile
  9. Dr Margaret Anne Dannatt 2002-2003 Director View profile
  10. Dr Peter John Hyde 2002-2003 Director View profile
  11. Dr Michael Crossfield 2002-2003 Director View profile
  12. John Richard Adam Greaves 2002-2003 Director View profile
  13. Robert John Morland 2002-2003 Director View profile
  14. Dr Robin Michael Lee 2002-2003 Director View profile
  15. Ian Peter Collins 2001-2003 Director View profile
  16. Simon Davey 2001-2006 Director View profile
  17. Jonathan Winston Sparkes 2000-2002 Director View profile
  18. Dr Duncan Hine 2000-2002 Director View profile
  19. Martin John Frost 1997-2008 Director View profile
  20. Lars Vilhelm Kylberg 1997-2000 Director View profile
  21. Per Ake Ludvigsson 1996-2000 Director View profile
  22. Rupert Anthony Pearce Gould 1992-1996 Director View profile
  23. Christopher John Coggill 2005 Director View profile
  24. Robert Martin Pettigrew 2002 Director View profile
  25. Dr Uday Prabhakar Phadke 1995 Director View profile
  26. Peter Gerald Lawson 1999 Director View profile
  27. Sir John Whitaker Fairclough 1996 Director View profile
  28. Gordon Malcolm Edge 2002 Director View profile
  29. Peter Brian Moody 1996 Director View profile
  30. Michael Webber 1996 Director View profile
  31. Gideon Abraham Senensieb 1995 Director View profile
  32. Gunnar Rylander 2000 Director View profile
  33. Neil Elton 2010-2014 Secretary View profile
  34. Guy Jonathan Mccarthy 2007-2010 Secretary View profile
  35. Helen Patricia Barrett-Hague 2001-2008 Secretary View profile
  36. David Farmer 1993-1997 Secretary View profile
  37. Roger Maran 1993 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
30/04/1986

Ownership

Owned by (1) 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.

  • Science Group PLC
    75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06

Group

  1. Quadro Harston Limited is controlled by Science Group PLC
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. Science Group PLC is controlled by Martyn Roy Ratcliffe
    Evidence
    ceased 25-50% shares, 25-50% voting · notified 2017-06-26, ceased 2021-09-07 · source: Companies House PSC register

Ultimately controlled by Martyn Roy Ratcliffe.

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.

3 directors on the board

10.8y median 12.1y
average tenure
15.4y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (3)

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 14Manufacturing 4Tech 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
02015785
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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