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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.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Duffy, Mark John

    Related profiles found in government register
  • Duffy, Mark John
    British director born in January 1973

    Resident in Scotland

    Registered addresses and corresponding companies
    • icon of address 53 Seaview Circle, Bridge Of Don, Aberdeen, AB23 8RN

      IIF 1
  • Duffy, Mark John
    British it manager born in January 1973

    Resident in Scotland

    Registered addresses and corresponding companies
    • icon of address 53, Seaview Circle, Aberdeen, Aberdeenshire, AB23 8RN, Scotland

      IIF 2
  • Duffy, Mark John
    Irish accountant born in January 1959

    Resident in Ireland

    Registered addresses and corresponding companies
    • icon of address 5, Brighton Hall, Foxrock, Dublin 18, Ireland

      IIF 3
  • Duffy, Mark John
    Irish finance director born in January 1959

    Resident in Ireland

    Registered addresses and corresponding companies
    • icon of address Innovation Centre, Northern Ireland Science Park, Queens Road, Queens Island, Belfast, BT3 9DT, Northern Ireland

      IIF 4
child relation
Offspring entities and appointments
Active 3
  • 1
    icon of address 53 Seaview Circle, Aberdeen, Aberdeenshire
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2012-12-19 ~ dissolved
    IIF 2 - Director → ME
  • 2
    icon of address 330 High Holborn, London, United Kingdom
    Active Corporate (1 parent)
    Equity (Company account)
    -4,792 GBP2024-12-31
    Officer
    icon of calendar 2013-10-15 ~ now
    IIF 3 - Director → ME
  • 3
    21ST CENTURY COMMUNITIES LIMITED - 2007-11-08
    CLICKS AND LINKS PRODUCTS LIMITED - 2005-12-05
    icon of address 28 Moss Road, Alderley Edge, Cheshire
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2009-05-01 ~ dissolved
    IIF 1 - Director → ME
Ceased 1
  • 1
    THE QUIZ SHOW EUROPE LIMITED - 2011-09-12
    icon of address 46 Glenbuck Road Glenbuck Road, Dunloy, Ballymena, Northern Ireland
    Active Corporate (1 parent)
    Equity (Company account)
    -12,501 GBP2024-03-31
    Officer
    icon of calendar 2012-12-20 ~ 2014-11-10
    IIF 4 - Director → ME

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.