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Company

National Grid Twelve Limited

Other business support service activities n.e.c.

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

Network

The large node is National Grid Twelve Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 29

  1. Kylee Marie Dickie 2020-2024 Director View profile
  2. Jonathan Paul Clay 2017-2020 Director View profile
  3. Simon Warren Grant 2017-2024 Director View profile
  4. William Joseph Jackson 2014-2017 Director View profile
  5. Fiona Louise Beaney 2013-2017 Director View profile
  6. Emmanuel David Fraser 2013-2015 Director View profile
  7. David Charles Bonar 2012-2018 Director View profile
  8. Geoffrey Holroyd 2009-2012 Director View profile
  9. Andrew Jonathan Agg 2009-2013 Director View profile
  10. Melissa Jane Sellars 2009-2012 Director View profile
  11. Christopher John Waters 2008-2020 Director View profile
  12. Mark Antony David Flawn 2006-2013 Director View profile
  13. Alexandra Morton Lewis 2006-2013 Director View profile
  14. Michael Alexander Smyth-Osbourne 2005-2006 Director View profile
  15. Richard Francis Pettifer 2002-2008 Director View profile
  16. Stephen Francis Noonan 2002-2009 Director View profile
  17. Andrew Brian Chapman 2002-2005 Director View profile
  18. Malcolm Charles Cooper 2002-2006 Director View profile
  19. Charles Ralph Ambrose Carter 2002-2002 Director View profile
  20. Fiona Brown Smith 2002-2002 Director View profile
  21. Stephen John Box 2002-2002 Director View profile
  22. Dr Roger John Urwin 2002-2003 Director View profile
  23. Martin Donal O'Donovan 2002-2002 Director View profile
  24. Lawrence Hagan 2022-2023 Secretary View profile
  25. Megan Barnes 2018-2022 Secretary View profile
  26. Alice Parker Morgan 2016-2018 Secretary View profile
  27. Heather Maria Rayner 2011-2016 Secretary View profile
  28. Andrew Peter Durrant 2006-2007 Secretary View profile
  29. David Charles Forward 2002-2013 Secretary View profile

Directors and secretaries as filed at Companies House.

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About

What it does
Other business support service activities n.e.c.
Incorporated
18/01/2002

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. National Grid Twelve Limited is controlled by National Grid (US) Investments 4 Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. National Grid (US) Investments 4 Limited is controlled by National Grid (US) Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  3. National Grid (US) Holdings Limited is controlled by National Grid PLC
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by National Grid PLC.

98 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

8.6y median 10.6y
average tenure
13.3y
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.

Business services 14Professional services 11Other 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
04355616
Status
Active
Type
Private Limited Company
Accounts next due
31/12/2026
Edition
Register edition compiled 27th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

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