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Horizon Nuclear Power Wylfa Limited

Horizon Nuclear Power Wylfa Limited is an active UK company (number 06811987), incorporated 2009, with 3 current directors including Takashi Tonooka and Yasunori Inada. 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 Horizon Nuclear Power Wylfa Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 54

  1. Stephen Keith Pierce 2021-2024 Director View profile
  2. Tadashi Kume 2020-2023 Director View profile
  3. Tomohiro Satake 2019-2023 Director View profile
  4. Masahide Tanigaki 2019-2020 Director View profile
  5. Hidetoshi Takehara 2019-2020 Director View profile
  6. Sir Stephen John Gomersall 2019-2020 Director View profile
  7. Yoshiteru Murase 2019-2019 Director View profile
  8. Gwen Susan Parry-Jones 2018-2019 Director View profile
  9. Lisa Claire White 2018-2019 Director View profile
  10. Rabih Hafez 2017-2019 Director View profile
  11. James William Jones 2017-2019 Director View profile
  12. Carl Michael Devlin 2017-2018 Director View profile
  13. Masahiko Nakane 2017-2021 Director View profile
  14. Mark Henry Bernard Lunn 2017-2019 Director View profile
  15. William Alastair Stein Doig 2017-2019 Director View profile
  16. Yoshiteru Murase 2017-2020 Director View profile
  17. Dr Kenneth James Petrunik 2017-2019 Director View profile
  18. Anthony Richard Webb 2015-2019 Director View profile
  19. Alan Paul Raymant 2015-2016 Director View profile
  20. Gregory Alan Evans 2015-2018 Director View profile
  21. Dr Timothy John Stone 2014-2021 Director View profile
  22. Katsumi Nagasawa 2014-2017 Director View profile
  23. Duncan Hawthorne 2013-2021 Director View profile
  24. Sang Hoon David Lee 2013-2019 Director View profile
  25. Masaharu Hanyu 2012-2015 Director View profile
  26. Tatsuro Ishizuka 2012-2016 Director View profile
  27. Sara Lyn Vaughan 2011-2012 Director View profile
  28. Paul Leslie Cowling 2010-2012 Director View profile
  29. Dr Willibald Robert Kohlpaintner 2010-2012 Director View profile
  30. Jorn-Erik Mantz 2010-2012 Director View profile
  31. Fiona Scott Stark 2010-2012 Director View profile
  32. Derek Parkin 2010-2012 Director View profile
  33. Dr Frank Thomas Weigand 2010-2012 Director View profile
  34. Timothy Calver 2009-2010 Director View profile
  35. Kevin Mccullough 2009-2012 Director View profile
  36. Klaus Georg Hammer 2009-2010 Director View profile
  37. Paul Coffey 2009-2009 Director View profile
  38. Ruediger Koenig 2009-2012 Director View profile
  39. Jason Lee Clark 2009-2012 Director View profile
  40. Dirk Steinheider 2009-2010 Director View profile
  41. Dr Michael Micklinghoff 2009-2010 Director View profile
  42. Volker Bernd Beckers CBE 2009-2010 Director View profile
  43. Dr Ralf Guldner 2009-2012 Director View profile
  44. James Timothy Lightfoot 2009-2009 Director View profile
  45. Colin Roger Scoins 2009-2011 Director View profile
  46. Dr Kevin Neal Akhurst 2009-2009 Director View profile
  47. Dr Hartmut Pamme 2009-2010 Director View profile
  48. Caroline Louise Farebrother 2009-2009 Director View profile
  49. Mitre Directors Limited 2009-2009 Corporate-director View profile
  50. Jonathan Miles Cornelius 2019-2021 Secretary View profile
  51. James William Jones 2017-2019 Secretary View profile
  52. Jonathan Miles Cornelius 2016-2017 Secretary View profile
  53. Alexander William Rippon 2010-2016 Secretary View profile
  54. Mitre Secretaries Limited 2009-2009 Corporate-secretary View profile

Directors and secretaries as filed at Companies House.

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About

Incorporated
06/02/2009

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. Horizon Nuclear Power Wylfa Limited is controlled by Horizon Nuclear Power Wylfa Holdings Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  2. Horizon Nuclear Power Wylfa Holdings Limited is controlled by Horizon Nuclear Power Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register

Ultimately controlled by Horizon Nuclear Power Limited.

4 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

4.5y median 3.3y
average tenure
7.3y
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.

Utilities 12

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
06811987
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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