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Company

Ineos Silicas Holdings Limited

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

Network

The large node is Ineos Silicas Holdings Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 16

  1. Leonardus Hendrik Heemskerk 2008-2010 Director View profile
  2. Martin John Barrat Hallam 2006-2008 Director View profile
  3. Dr Iain Timothy Hogan 2006-2016 Director View profile
  4. Simon Charles Quarmby 2006-2008 Director View profile
  5. Dr Russell Whelan 2001-2006 Director View profile
  6. Simon James Wilson 2001-2008 Director View profile
  7. Brian Robert Foster 2001-2006 Director View profile
  8. Andrew Christopher Currie 2000-2001 Director View profile
  9. John Reece 2000-2010 Director View profile
  10. Sir James Arthur Ratcliffe 2000-2001 Director View profile
  11. Yasin Stanley Ali 2012-2021 Secretary View profile
  12. Martin Howard Stokes 2008-2012 Secretary View profile
  13. Julie Ann Trimble 2006-2008 Secretary View profile
  14. Roger Bell 2005-2006 Secretary View profile
  15. Michael John Maher 2001-2005 Secretary View profile
  16. William Reginald Griffiths 2001-2001 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

About

Incorporated
12/06/2000

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.

Group

  1. Ineos Silicas Holdings Limited is controlled by Ineos Investments International Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. Ineos Investments International Limited is controlled by Ineos Holdings International Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  3. Ineos Holdings International Limited is controlled by Ineos Holdings (Investments) Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2026-06-17 · source: Companies House PSC register

Ultimately controlled by Ineos Holdings (Investments) Limited.

28 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

15.4y median 16.3y
average tenure
18y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (3)

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 68Manufacturing 18Finance 16Arts and leisure 7Other services 3Property 2Agriculture 1Construction 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
04012355
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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