Skip to content
Governance Register
Sign inFind yourself
Find yourselfSign in
Search How it works For organisations For professionals

Edition

United Kingdom (current)IrelandUnited StatesNew ZealandCanadaAustraliaScotlandNorthern Ireland

Company

Rockrose Ukcs4 Limited

How am I connected?
More
View network map Report an issue

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

Network

The large node is Rockrose Ukcs4 Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 53

  1. Andrew Philip Austin 2017-2020 Director View profile
  2. Richard Alan Benmore 2017-2020 Director View profile
  3. Yasuhiro Haba 2012-2014 Director View profile
  4. Shogo Hirahara 2012-2017 Director View profile
  5. Kazuo Okamoto 2010-2017 Director View profile
  6. Mitsuki Matsubara 2009-2011 Director View profile
  7. Hiroshi Arikawa 2009-2012 Director View profile
  8. Tatsusaburo Kimura 2008-2009 Director View profile
  9. David Roy Phillips 2008-2009 Director View profile
  10. Tadashi Fujimagari 2008-2009 Director View profile
  11. Kazuyuki Onose 2006-2009 Director View profile
  12. Masato Iida 2005-2009 Director View profile
  13. Tsunehiko Otani 2005-2008 Director View profile
  14. Takayuki Doi 2004-2005 Director View profile
  15. Yo Katahira 2004-2005 Director View profile
  16. Kazufumi Tomita 2004-2008 Director View profile
  17. Takeshi Katsuyama 2004-2006 Director View profile
  18. Richard Arthur Sobey 2003-2004 Director View profile
  19. Daniel Leonard Murphy 2003-2004 Director View profile
  20. John Dillard Larue 1998-2003 Director View profile
  21. Michael Thomas Lynch 1998-2004 Director View profile
  22. Faiz Tawfiq Nadir 1998-2003 Director View profile
  23. Andrew John Paxton 1998-2004 Director View profile
  24. Russell Seth Harvey 1998-2004 Director View profile
  25. Kevin Paul Watts 1998-1998 Director View profile
  26. Dr Pierre Jean Marie Henri Jungels 1997-1998 Director View profile
  27. Iain Stayton Paterson 1996-1998 Director View profile
  28. Peter Mark Hope 1996-1998 Director View profile
  29. Andrew Barkley Shilston 1996-1998 Director View profile
  30. Michael John Pink 1996-1996 Director View profile
  31. Stephen Charles Huddle 1996-1996 Director View profile
  32. Armour, Andrew Richard, Doctor 1996-1998 Director View profile
  33. Pierre Erwin Godec 1995-1996 Director View profile
  34. Christian Chomat 1996 Director View profile
  35. Marc Hiegel 1995 Director View profile
  36. Michel Romieu 1995 Director View profile
  37. Ravi Joseph Kuriyan 1996 Director View profile
  38. Philippe Armand 1995 Director View profile
  39. Jean-Michel Nicolas 1996 Director View profile
  40. David Anthony Chang Kit 2017-2017 Secretary View profile
  41. Dave Jason Koon Koon 2015-2017 Secretary View profile
  42. Masahiro Nakayasu 2013-2015 Secretary View profile
  43. Hiroaki Morii 2011-2013 Secretary View profile
  44. Katsuhiko Sakamoto 2009-2011 Secretary View profile
  45. Kazuyoshi Hasegawa 2008-2009 Secretary View profile
  46. Akira Satake 2005-2008 Secretary View profile
  47. Yoshio Takeuchi 2004-2005 Secretary View profile
  48. Stephen John Pook 1998-2004 Secretary View profile
  49. Vivien Murray Gibney 1998-1998 Secretary View profile
  50. Peter William Irving Ingram 1997-1998 Secretary View profile
  51. Jonathan Joshua Lee 1996-1997 Secretary View profile
  52. Charles Warwick Foster English 1992-1996 Secretary View profile
  53. Malcolm Keith Fraser 1992 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
29/10/1990

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. Rockrose Ukcs4 Limited is controlled by Rockrose Energy Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2017-12-08 · source: Companies House PSC register
  2. Rockrose Energy Limited is controlled by Viaro Energy Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2020-09-02 · source: Companies House PSC register
  3. Viaro Energy Limited is controlled by Viaro Investment Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2020-02-19 · source: Companies House PSC register
  4. Viaro Investment Limited is controlled by Francesco Mazzagatti
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2019-12-18 · source: Companies House PSC register

Ultimately controlled by Francesco Mazzagatti.

18 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

5.9y median 5.9y
average tenure
5.9y
longest tenure

Directors past 6 years

First-time vs portfolio directors

Portfolio (2)

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.

Mining 10Business services 4Property 3Construction 1Finance 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
02552901
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 4th October 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data