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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals 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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Mr Gerard William O'brien

    Related profiles found in government register
  • Mr Gerard William O'brien
    Irish born in August 1967

    Resident in England

    Registered addresses and corresponding companies
    • 21, Patterson Road, Chesham, Buckinghamshire, HP5 2DG, England

      IIF 1
  • Mr William O'brien
    Irish born in August 1967

    Resident in Ireland

    Registered addresses and corresponding companies
    • Ground Floor, 25 Darling Street, Enniskillen, Co. Fermanagh, BT74 7DP, Northern Ireland

      IIF 2
    • 12, Mulberry Place, Pinnell Road, London, SE9 6AR

      IIF 3
  • O'brien, Gerard William
    Irish construction born in August 1967

    Resident in England

    Registered addresses and corresponding companies
    • Langley House, Park Road, East Finchley, London, N2 8EY

      IIF 4
  • O'brien, Gerard William
    Irish director born in August 1967

    Resident in England

    Registered addresses and corresponding companies
    • 21 Patterson Road, Chesham, Buckinghamshire, HP5 2DG, England

      IIF 5
  • O'brien, William Gerard
    Irish director born in August 1967

    Resident in Ireland

    Registered addresses and corresponding companies
    • 35, Fernwalk, Greenfields, Ballincollig, Co Cork, ., Ireland

      IIF 6
  • William O'brien
    Irish born in August 1967

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 23, Darling Street, Enniskillen, BT74 7DP, United Kingdom

      IIF 7
  • O'brien, William
    Irish company director born in August 1967

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 23, Darling Street, Enniskillen, BT74 7DP, United Kingdom

      IIF 8
  • O'brien, William Gerard

    Registered addresses and corresponding companies
    • 35, Fernwalk, Greenfields, Ballincollig, Co Cork, ., Ireland

      IIF 9
  • O'brien, William

    Registered addresses and corresponding companies
    • 23, Darling Street, Enniskillen, BT74 7DP, United Kingdom

      IIF 10
child relation
Offspring entities and appointments 4
  • 1
    MAGMA RENEWABLES LIMITED
    NI639691
    23 Darling Street, Enniskillen, Northern Ireland
    Dissolved Corporate (3 parents)
    Officer
    2016-07-19 ~ dissolved
    IIF 8 - Director → ME
    2016-07-19 ~ 2017-06-13
    IIF 10 - Secretary → ME
    Person with significant control
    2016-07-19 ~ dissolved
    IIF 7 - Ownership of voting rights - 75% or more OE
    IIF 7 - Right to appoint or remove directors OE
    IIF 7 - Ownership of shares – 75% or more OE
    IIF 7 - Has significant influence or control OE
    IIF 2 - Ownership of shares – 75% or more OE
    IIF 2 - Ownership of voting rights - 75% or more OE
  • 2
    OAKLEAF CONTRACTORS LTD
    08933526
    C/o Frp, 4 Beaconsfield Road, St Albans, Hertfordshire
    Dissolved Corporate (5 parents)
    Officer
    2014-03-11 ~ 2021-10-21
    IIF 5 - Director → ME
    Person with significant control
    2017-03-11 ~ dissolved
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% OE
  • 3
    OAKLEAF LABOUR RESOURCES LTD
    07663300
    Langley House Park Road, East Finchley, London
    Dissolved Corporate (3 parents)
    Officer
    2011-06-09 ~ dissolved
    IIF 4 - Director → ME
  • 4
    WM. O'BRIEN PLANT HIRE UK LTD
    07406617
    12 Mulberry Place, Pinnell Road, London
    Dissolved Corporate (3 parents)
    Officer
    2010-10-13 ~ 2018-02-10
    IIF 6 - Director → ME
    2010-10-13 ~ dissolved
    IIF 9 - Secretary → ME
    Person with significant control
    2016-06-30 ~ dissolved
    IIF 3 - Ownership of shares – 75% or more OE

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Contains public sector information retrieved at 22 April 2026 and licensed under the Open Government Licence v3.0.