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ALS Laboratories (UK) Limited

ALS Laboratories (UK) Limited is an active UK company (number 02391955), incorporated 1989, with 3 current directors including Lauren Marie Ellis and Ian O'Mahony. 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 26

  1. Martin Leonard Stener 2022-2024 Director View profile
  2. Gregory Francis Kilmister 2012-2017 Director View profile
  3. Nicholas William Louden 2010-2012 Director View profile
  4. Alexander Sleeth 2010-2012 Director View profile
  5. Mark Jonathan Silver 2008-2010 Director View profile
  6. Mark Andrew Kenneth Wood 2008-2013 Director View profile
  7. Richard Anthony Mcbride 2008-2010 Director View profile
  8. Keith Tozzi 2006-2008 Director View profile
  9. Elizabeth Ann Fleming 2004-2006 Director View profile
  10. Mark James Gomar 2004-2004 Director View profile
  11. Neil Mcdougall 2003-2004 Director View profile
  12. Simon William Dedman 2003-2006 Director View profile
  13. Nigel John Patrick 2003-2003 Director View profile
  14. Julie Elizabeth Dedman 2002-2008 Director View profile
  15. Jonathan Leonard Dawe 2002-2003 Director View profile
  16. Robert Charles Atwood 2003 Director View profile
  17. Dr Geoffrey Lloyd Baldwin 2000 Director View profile
  18. Theresa May Flynn 2002 Director View profile
  19. Michael Paul Pearson 2023-2024 Secretary View profile
  20. John Raymond Crabtree 2017-2020 Secretary View profile
  21. Timothy Edward Mullen 2012-2017 Secretary View profile
  22. Richard Anthony Sowerby 2006-2008 Secretary View profile
  23. Richard Ian Leigh 2004-2004 Secretary View profile
  24. Adrian Clubb 2003-2006 Secretary View profile
  25. Paul Evan-Cook 1998-2003 Secretary View profile
  26. David William Walker 1998 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
05/06/1989

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. ALS Laboratories (UK) Limited is controlled by ALS Inspection UK Limited
    Evidence
    active 75-100% shares · notified 2016-04-06 · source: Companies House PSC register
  2. ALS Inspection UK Limited is controlled by Stewart Holdings Management Limited
    Evidence
    active 75-100% shares · notified 2017-03-19 · source: Companies House PSC register
  3. Stewart Holdings Management Limited is controlled by ALS Holdings Group Limited
    Evidence
    active 75-100% shares · notified 2016-09-11 · source: Companies House PSC register
  4. ALS Holdings Group Limited is controlled by ALS Limited
    Evidence
    active 75-100% shares · notified 2016-09-11 · source: Companies House PSC register
  5. ALS Limited is controlled by John Bernard Lack
    Evidence
    active 25-50% shares, 25-50% voting, appoints directors · notified 2016-06-30 · source: Companies House PSC register

Ultimately controlled by John Bernard Lack.

11 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

7.4y median 7.1y
average tenure
12.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

First-time (2)

Portfolio (1)

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 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
02391955
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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