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Prior Scientific Instruments Limited

Prior Scientific Instruments Limited is an active UK company (number 00404087), incorporated 1946, with 7 current directors including James Andrew Duff and Hengzhi Lu. Source: Companies House, updated 4th October 2026.

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

Network

The large node is Prior Scientific Instruments Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 12

  1. Simon John Smith 2011-2026 Director View profile
  2. Dr Monika Maria Maintz 2008-2015 Director View profile
  3. Barry Robert Langford 2002-2007 Director View profile
  4. Dr Peter Keith Booth 1999-2011 Director View profile
  5. R Patrick Drexel 1999-2009 Director View profile
  6. John Robert Hulme 1992 Director View profile
  7. Michael Anthony John Buttars 2010 Director View profile
  8. Douglas James Fielding 1999 Director View profile
  9. Gordon Evans 2010 Director View profile
  10. Simon John Smith 2009-2026 Secretary View profile
  11. Retnasingham Daniel Chandrasegaram 2002-2008 Secretary View profile
  12. John Murray Osler 1993 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
04/02/1946

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. Prior Scientific Instruments Limited is controlled by Myles John O'Leary Fielding
    Evidence
    active 25-50% shares, 25-50% voting · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by Myles John O'Leary Fielding.

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.

Grants received

4 grants · £36,292 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 · £20,458 (2 grants)
  • Department for Science, Innovation and Technology · £15,834 (2 grants)

Most recent

  • Department for Science, Innovation and Technology £10,9192024-01-22
  • Department for Science, Innovation and Technology £4,9152023-01-12
  • Department for Business, Energy and Industrial Strategy £7,9142022-04-01
  • Department for Business, Energy and Industrial Strategy £12,5442022-01-01
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

18.1y median 19.4y
average tenure
33y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (4)

Portfolio (3)

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.

Manufacturing 5

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
00404087
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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