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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 David William Mcmahon

    Related profiles found in government register
  • Mr David William Mcmahon
    British born in September 1966

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 11a, Enterprise Centre, Drumquin Road, Castlederg, Tyrone, BT81 7PX, United Kingdom

      IIF 1
    • Unit 1 Castlederg Enterprise Centre, Drumquin Road, Castlederg, Co Tyrone, BT81 9PX

      IIF 2
  • David William Mcmahon
    British born in September 1966

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 4 Longfield Road, Eglinton, Co. Londonderry, BT47 3PY, United Kingdom

      IIF 3
  • Mcmahon, David William
    British born in September 1966

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 11a, Enterprise Centre, Drumquin Road, Castlederg, Tyrone, BT81 7PX, United Kingdom

      IIF 4
    • 10a Grove Road, Castlederg, Co Tyrone, N. Ireland, BT81 7JJ

      IIF 5
    • 04, Longfield Road, Eglington, County Londonderry, BT47 3PY, Northern Ireland

      IIF 6
    • 4 Longfield Road, Eglinton, Co. Londonderry, BT47 3PY, United Kingdom

      IIF 7
  • Mcmahon, David
    British police officer born in September 1966

    Resident in England

    Registered addresses and corresponding companies
    • Darrick Wood Infant School, Lovibonds Avnue, Orpington, Kent, BR6 8ER, England

      IIF 8
  • Mcmahon, David William
    British

    Registered addresses and corresponding companies
    • 10a Grove Road, Castlederg, Co Tyrone, BT81 7JJ

      IIF 9
child relation
Offspring entities and appointments 5
  • 1
    CASTLE GLASS LIMITED
    NI047915
    Unit 1 Castlederg Enterprise Centre, Drumquin Road, Castlederg, Co Tyrone
    Active Corporate (2 parents)
    Officer
    2003-09-14 ~ now
    IIF 5 - Director → ME
    2003-09-15 ~ now
    IIF 9 - Secretary → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 2 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    DARRICK WOOD INFANT SCHOOL
    07698658
    Darrick Wood Infant School, Lovibonds Avenue, Orpington, Kent
    Dissolved Corporate (22 parents)
    Officer
    2016-01-04 ~ 2016-09-28
    IIF 8 - Director → ME
  • 3
    INNOVATED ALUMINIUM TECHNOLOGY LIMITED
    NI635499
    4 Longfield Road, Eglinton, Co. Londonderry, United Kingdom
    Active Corporate (4 parents, 1 offspring)
    Officer
    2016-01-04 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2016-07-01 ~ now
    IIF 3 - Ownership of shares – More than 25% but not more than 50% OE
  • 4
    MCMENAMIN PLANT LIMITED
    NI014169
    04 Longfield Road, Eglington, County Londonderry, Northern Ireland
    Active Corporate (7 parents)
    Officer
    2025-07-23 ~ now
    IIF 6 - Director → ME
  • 5
    NEW AGE ENGINEERING NI LTD
    NI683657
    11a Enterprise Centre, Drumquin Road, Castlederg, Tyrone, United Kingdom
    Active Corporate (2 parents)
    Officer
    2021-11-08 ~ now
    IIF 4 - Director → ME
    Person with significant control
    2021-11-08 ~ now
    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
    IIF 1 - Right to appoint or remove directors OE

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