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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 John Alan Duffy

    Related profiles found in government register
  • Mr John Alan Duffy
    Irish born in January 1973

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 16 Larkhill, Londonderry, BT48 8AT, Northern Ireland

      IIF 1 IIF 2 IIF 3
    • 5, Steelstown Road, Londonderry, BT48 8EU, Northern Ireland

      IIF 4 IIF 5
  • Mr John Joseph Duffy
    Irish born in January 1938

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 16 Larkhill, Londonderry, BT48 8AT, Northern Ireland

      IIF 6 IIF 7
  • Duffy, Alan John
    Irish born in January 1973

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 16 Larkhill, Derry, Co Derry, BT48 8AT

      IIF 8
  • Duffy, John Alan
    Irish born in January 1973

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 5, Steelstown Road, Derry, BT48 8EU, United Kingdom

      IIF 9
    • 16, Larkhill, Londonderry, BT48 8AT, Northern Ireland

      IIF 10
    • 5, Steelstown Road, Londonderry, BT48 8EU, Northern Ireland

      IIF 11 IIF 12
  • Duffy, John Joseph
    Irish born in January 1938

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 16 Larkhill, Derry, Co Derry, BT48 8AT

      IIF 13
    • 16, Larkhill, Derry, Co. Derry, BT48 8AT, Northern Ireland

      IIF 14
    • 16 Larkhill, Londonderry, BT48 8AT

      IIF 15
  • Duffy, John Joseph
    Irish builder born in January 1938

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 16 Larkhill, Derry, BT48 8AT

      IIF 16
  • Duffy, Alan
    Irish born in January 1973

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 16, Larkhill, Derry, Co. Derry, BT48 8AT, Northern Ireland

      IIF 17
  • Duffy, John Alan
    Irish

    Registered addresses and corresponding companies
    • 5, Steelstown Road, Derry, BT48 8EU, United Kingdom

      IIF 18
    • 5 Steelstown Road, Londonderry, BT48 8EU, Northern Ireland

      IIF 19
  • Duffy, John

    Registered addresses and corresponding companies
    • 16 Larkhill, Derry, Co Derry, BT48 8AT

      IIF 20
child relation
Offspring entities and appointments 6
  • 1
    A J GLASS LTD
    NI056809
    39 Mountfield Road, Claudy, Co Derry
    Dissolved Corporate (6 parents)
    Officer
    2005-10-13 ~ 2008-11-03
    IIF 13 - Director → ME
    IIF 8 - Director → ME
    2005-10-13 ~ 2008-11-03
    IIF 20 - Secretary → ME
  • 2
    ALFIX PROPERTY SERVICES LTD
    - now NI618878
    PVC WINDOW & DOOR REPAIR LTD
    - 2015-10-05 NI618878
    16 Larkhill, Derry, Co. Derry
    Dissolved Corporate (1 parent)
    Officer
    2013-06-14 ~ dissolved
    IIF 17 - Director → ME
    2013-06-14 ~ 2015-10-06
    IIF 14 - Director → ME
    Person with significant control
    2016-06-15 ~ dissolved
    IIF 2 - Ownership of voting rights - 75% or more OE
    IIF 2 - Ownership of shares – 75% or more OE
  • 3
    AUGHADERRY DEVELOPMENTS LIMITED
    NI030806
    16 Larkhill, Derry
    Active Corporate (1 parent)
    Officer
    1996-05-13 ~ 2024-06-24
    IIF 16 - Director → ME
    1996-05-13 ~ now
    IIF 9 - Director → ME
    1996-05-13 ~ now
    IIF 18 - Secretary → ME
    Person with significant control
    2016-05-14 ~ 2024-06-24
    IIF 6 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 6 - Ownership of shares – More than 25% but not more than 50% OE
    2016-05-14 ~ now
    IIF 1 - Ownership of voting rights - 75% or more OE
    IIF 1 - Ownership of shares – 75% or more OE
  • 4
    CITY WINDOWS & DOORS LTD
    NI668031
    16 Larkhill, Londonderry, Northern Ireland
    Active Corporate (1 parent)
    Officer
    2020-02-27 ~ now
    IIF 10 - Director → ME
    Person with significant control
    2020-02-27 ~ now
    IIF 3 - Ownership of shares – 75% or more OE
    IIF 3 - Right to appoint or remove directors OE
    IIF 3 - Ownership of voting rights - 75% or more OE
  • 5
    NORTHWEST JOINERY LTD
    NI051853
    5 Steelstown Road, Londonderry, Northern Ireland
    Active Corporate (3 parents)
    Officer
    2004-09-25 ~ now
    IIF 12 - Director → ME
    2005-04-27 ~ 2023-10-18
    IIF 15 - Director → ME
    2004-09-25 ~ now
    IIF 19 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 5 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 5 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 7 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 7 - Ownership of shares – More than 25% but not more than 50% OE
  • 6
    PVC WINDOW WAREHOUSE LTD
    NI651087
    5 Steelstown Road, Londonderry, Northern Ireland
    Active Corporate (1 parent)
    Officer
    2018-02-19 ~ now
    IIF 11 - Director → ME
    Person with significant control
    2018-02-19 ~ now
    IIF 4 - Ownership of shares – 75% or more OE
    IIF 4 - Ownership of voting rights - 75% or more OE

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.