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Company

Amentum E&C Limited

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

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Who leads it

Previous officers 31

  1. Anita Linseisen 2021-2024 Director View profile
  2. Karen Wiemelt 2021-2024 Director View profile
  3. Clive Thomas White 2020-2021 Director View profile
  4. Andrew John White 2020-2025 Director View profile
  5. Sally Linda Joyce Miles 2019-2021 Director View profile
  6. David Ellis 2019-2020 Director View profile
  7. Jonathan R. Shattock 2018-2020 Director View profile
  8. Paul Seaton 2016-2019 Director View profile
  9. Leon Anthony Power 2014-2016 Director View profile
  10. John Conor Doyle 2013-2016 Director View profile
  11. Michael William Fleetwood 2011-2014 Director View profile
  12. Dr Robert Anthony Michael Irvin 2011-2013 Director View profile
  13. Johan Piet Cnossen 2010-2011 Director View profile
  14. Douglas Alexander Gordon 2008-2011 Director View profile
  15. Edward Mcwilliams 2006-2009 Director View profile
  16. David Robert Ley 2006-2010 Director View profile
  17. Nigel Rory George Tay 2004-2005 Director View profile
  18. Mark Richard Leggett 2004-2006 Director View profile
  19. Ole Kristian Siversten 2003-2005 Director View profile
  20. Malcolm William Oliver 2003-2004 Director View profile
  21. Ronald Ernest Woods 2003-2003 Director View profile
  22. Jarle Tautra 2003-2008 Director View profile
  23. Rufus Laycock 2003-2003 Director View profile
  24. Geoffrey Roberts 2023-2024 Secretary View profile
  25. Rhona Mary Holman 2023-2023 Secretary View profile
  26. Tejender Chaudhary 2018-2023 Secretary View profile
  27. Michael Timothy Norris 2011-2018 Secretary View profile
  28. John William David Fernie 2004-2011 Secretary View profile
  29. Nigel William Gamble 2004-2004 Secretary View profile
  30. David Richard Connell 2003-2004 Secretary View profile
  31. TH Group Services Limited 2003-2003 Corporate-secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
18/11/2003

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. Amentum E&C Limited is controlled by Energy, Security and Technology UK Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2024-06-12 · source: Companies House PSC register
  2. Energy, Security and Technology UK Limited is controlled by CH2M Hill Holdings Limited
    Evidence
    ceased 75-100% shares, 75-100% voting, appoints directors · notified 2024-02-09, ceased 2024-06-06 · source: Companies House PSC register

Ultimately controlled by CH2M Hill Holdings Limited.

30 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.

2 directors on the board

1y median 1y
average tenure
1.2y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (2)

0
also govern a charity
1
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 11Construction 5Manufacturing 2Utilities 2Business services 1Other 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.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
04967961
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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