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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 5
  • 1
    Carter, Roy Barrie
    Born in December 1968
    Individual (1 offspring)
    Officer
    2020-11-30 ~ now
    OF - Director → CIF 0
  • 2
    Jones, Loren Michael
    Born in March 1984
    Individual (10 offsprings)
    Officer
    2025-10-01 ~ now
    OF - Director → CIF 0
  • 3
    Lyons, Ellen
    Born in December 1972
    Individual (3 offsprings)
    Officer
    2016-01-21 ~ now
    OF - Director → CIF 0
  • 4
    Prentice, Joshua David
    Individual (14 offsprings)
    Officer
    2024-06-01 ~ now
    OF - Secretary → CIF 0
  • 5
    JACOBS CLEAN ENERGY LIMITED - 2024-09-30
    WOOD NUCLEAR LIMITED - 2020-03-17
    AMEC FOSTER WHEELER NUCLEAR UK LIMITED - 2018-09-03
    AMEC NUCLEAR UK LIMITED - 2014-12-12
    AMEC NNC LIMITED - 2007-09-03
    NNC LIMITED - 2005-08-08 02290928, 03260477
    NATIONAL NUCLEAR CORPORATION LIMITED - 1989-04-01 02290928
    305, Bridgewater Place, Birchwood Park, Warrington, United Kingdom
    Active Corporate (5 parents, 4 offsprings)
    Person with significant control
    2016-04-06 ~ now
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
Ceased 27
  • 1
    Fellowes, Colin
    Individual (4 offsprings)
    Officer
    2006-04-01 ~ 2009-06-16
    OF - Secretary → CIF 0
  • 2
    Higton, Peter Desmond
    Born in March 1956
    Individual (1 offspring)
    Officer
    2005-01-01 ~ 2007-03-09
    OF - Director → CIF 0
  • 3
    Warburton, Jennifer Ann
    Individual (23 offsprings)
    Officer
    2016-07-22 ~ 2018-02-16
    OF - Secretary → CIF 0
  • 4
    Sadler, Steve
    Born in February 1968
    Individual (4 offsprings)
    Officer
    2005-10-01 ~ 2008-01-31
    OF - Director → CIF 0
  • 5
    Wood, Paul David
    Born in December 1976
    Individual
    Officer
    2016-11-30 ~ 2019-07-25
    OF - Director → CIF 0
  • 6
    Inns, Terry Peter Frank
    Born in July 1974
    Individual (1 offspring)
    Officer
    2015-05-18 ~ 2016-11-30
    OF - Director → CIF 0
  • 7
    Durston, John Graham
    Born in October 1943
    Individual
    Officer
    1996-11-15 ~ 1998-05-11
    OF - Director → CIF 0
  • 8
    Jones, Thomas Leslie
    Born in June 1973
    Individual (1 offspring)
    Officer
    2014-03-31 ~ 2016-10-31
    OF - Director → CIF 0
  • 9
    Don Carolis, Frazer Anthony
    Individual
    Officer
    1996-11-15 ~ 2006-04-01
    OF - Secretary → CIF 0
  • 10
    Roberts, Geoffrey
    Individual (34 offsprings)
    Officer
    2023-08-21 ~ 2024-06-01
    OF - Secretary → CIF 0
  • 11
    Isles, Rachael
    Born in April 1977
    Individual
    Officer
    2014-03-31 ~ 2016-01-21
    OF - Director → CIF 0
  • 12
    Clarkson, Iain Geoffrey
    Born in February 1967
    Individual (3 offsprings)
    Officer
    2008-02-01 ~ 2014-03-31
    OF - Director → CIF 0
  • 13
    Jones, Iain Angus
    Individual (113 offsprings)
    Officer
    2019-05-02 ~ 2020-03-06
    OF - Secretary → CIF 0
  • 14
    Ashman, Fraser Lionel
    Born in July 1946
    Individual
    Officer
    1996-11-15 ~ 1999-06-30
    OF - Director → CIF 0
  • 15
    Thomas, Anthony Mark
    Individual (2 offsprings)
    Officer
    2018-02-16 ~ 2019-03-08
    OF - Secretary → CIF 0
  • 16
    Kershaw, Paul Richard
    Born in January 1954
    Individual (4 offsprings)
    Officer
    1998-05-11 ~ 2005-01-27
    OF - Director → CIF 0
  • 17
    Davin, Julie
    Born in April 1972
    Individual
    Officer
    2012-07-02 ~ 2014-03-31
    OF - Director → CIF 0
  • 18
    Chaudhary, Tejender Singh, Mr
    Individual (14 offsprings)
    Officer
    2020-06-26 ~ 2023-02-10
    OF - Secretary → CIF 0
  • 19
    Edwards, Sion Erwyd
    Born in October 1965
    Individual (1 offspring)
    Officer
    2019-08-12 ~ 2020-12-09
    OF - Director → CIF 0
  • 20
    Lanigan, Philip Nicholas
    Born in May 1964
    Individual (11 offsprings)
    Officer
    1999-11-01 ~ 2005-09-30
    OF - Director → CIF 0
  • 21
    White, Andrew John
    Born in August 1966
    Individual (1 offspring)
    Officer
    2014-03-31 ~ 2025-09-30
    OF - Director → CIF 0
  • 22
    Holman, Rhona Mary
    Individual
    Officer
    2023-02-10 ~ 2023-08-21
    OF - Secretary → CIF 0
  • 23
    Marlor, John Stanley
    Born in October 1949
    Individual
    Officer
    1996-11-15 ~ 1999-09-06
    OF - Director → CIF 0
  • 24
    Smith, Kevin
    Born in March 1953
    Individual (1 offspring)
    Officer
    2007-05-21 ~ 2012-07-02
    OF - Director → CIF 0
  • 25
    Fidler, Christopher Laskey
    Individual (27 offsprings)
    Officer
    2009-06-16 ~ 2016-07-22
    OF - Secretary → CIF 0
  • 26
    AMETHYST GROVE LIMITED - now
    BARKGROVE LIMITED - 2019-01-09
    BAZLEY NOMINEES LIMITED - 2018-12-18
    RM NOMINEES LIMITED
    - 2018-12-11
    Second Floor, 80 Great Eastern Street, London
    Dissolved Corporate
    Equity (Company account)
    100 GBP2017-12-31
    Officer
    1996-10-08 ~ 1996-11-14
    PE - Nominee Director → CIF 0
  • 27
    BARRINGTON COMPANY SECRETARIES LIMITED - now
    BRAITHWAY LOMBARD SECRETARIES LIMITED - 2019-01-09
    BUCKTHORN SECRETARIES LIMITED - 2018-12-18
    RM REGISTRARS LIMITED
    - 2018-12-12
    Second Floor, 80 Great Eastern Street, London
    Active Corporate (2 parents, 111 offsprings)
    Equity (Company account)
    100 GBP2024-12-31
    Officer
    1996-10-08 ~ 1996-11-14
    PE - Nominee Secretary → CIF 0
parent relation
Company in focus

AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED

Previous names
JACOBS CLEAN ENERGY INTERNATIONAL LIMITED - 2024-09-30
AMEC FOSTER WHEELER NUCLEAR INTERNATIONAL LIMITED - 2020-03-18
AMEC NUCLEAR INTERNATIONAL LIMITED - 2014-12-16
NNC LIMITED - 2008-09-24 01120437, 02290928
TECHNICA LIMITED - 2005-08-18
UNITED DECOMMISSIONING TECHNOLOGIES LIMITED - 2003-04-16
LEADERS IN BUSINESS LIMITED - 1996-11-18
Standard Industrial Classification
71200 - Technical Testing And Analysis
71122 - Engineering Related Scientific And Technical Consulting Activities

Related profiles found in government register
  • AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED
    Info
    JACOBS CLEAN ENERGY INTERNATIONAL LIMITED - 2024-09-30
    AMEC FOSTER WHEELER NUCLEAR INTERNATIONAL LIMITED - 2024-09-30
    AMEC NUCLEAR INTERNATIONAL LIMITED - 2024-09-30
    NNC LIMITED - 2024-09-30
    TECHNICA LIMITED - 2024-09-30
    UNITED DECOMMISSIONING TECHNOLOGIES LIMITED - 2024-09-30
    LEADERS IN BUSINESS LIMITED - 2024-09-30
    Registered number 03260477
    305 Bridgewater Place, Birchwood Park, Warrington WA3 6XF
    PRIVATE LIMITED COMPANY incorporated on 1996-10-08 (29 years 5 months). The company status is Active.
    The last date of confirmation statement was made at 2024-10-08
    CIF 0
  • NNC LIMITED
    S
    Registered number missing
    Booths Hill, Chelford Road, Knutsford, Cheshire, WA16 8QZ
    CIF 1
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 1
  • DEFENCE MANUFACTURERS ASSOCIATION (THE) LIMITED - 2010-09-13
    Ads Group Limited, Salamanca Square, 9 Albert Embankment, London
    Dissolved Corporate (2 parents)
    Officer
    1991-10-01 ~ 1997-09-24
    CIF 1 - Director → ME

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Contains public sector information retrieved at 9 February 2026 and licensed under the Open Government Licence v3.0.