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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

Mcmahon, Mark Ingram

    Related profiles found in government register
  • Mcmahon, Mark Ingram
    Irish born in September 1961

    Resident in Ireland

    Registered addresses and corresponding companies
    • Clare Cottage, Athiunkard, Co Clare

      IIF 1
    • Ashbourne Hall, Ashourne Business Park, Dock Road, Limerick, Ireland

      IIF 2
    • Ashbourne Hall, Ashbourne Business Park, Dock Road, Limerick, Limerick, Ireland

      IIF 3
    • Clare Cottage, Athlunkard Corbally, Limerick City, Limerick, Ireland

      IIF 4
  • Mcmahon, Mark Ingram
    Irish chief executive born in September 1961

    Resident in Ireland

    Registered addresses and corresponding companies
    • At The Offices Of Crowe Clark Whitehill, St. Brides House, 10 Salisbury Square, London, EC4Y 8EH, United Kingdom

      IIF 5
  • Mcmahon, Mark Ingram
    Irish director born in September 1961

    Resident in Ireland

    Registered addresses and corresponding companies
    • Clare Cottage Athlunkard, Corbally, Limerick, Co Limerick, IRISH, Ireland

      IIF 6
  • Mcmahnon, Mark
    Irish chief executive born in September 1961

    Resident in Ireland

    Registered addresses and corresponding companies
    • Clare Cottage, Athlunkard, Corbally, Limerick

      IIF 7
  • Mcmahon, Mark
    Irish comapny director born in September 1961

    Registered addresses and corresponding companies
    • Ashbourne Hall, Ashbourne Business Park, Dock Road, Limerick, Limerick, Republic Of Ireland

      IIF 8
  • Mcmahon, Mark
    Irish company director born in September 1961

    Registered addresses and corresponding companies
    • Ashbourne Hall, Ashbourne Business Park, Dock Road, Limerick, Limerick, Republic Of Ireland

      IIF 9
  • Mr Mark Mcmahon
    Irish born in September 1961

    Resident in Ireland

    Registered addresses and corresponding companies
    • 15 Bay Road, Londonderry, Co Londondery, BT48 7SH

      IIF 10
    • 15 Bay Road, Londonderry, Co.londonderry, BT48 7SH

      IIF 11
    • 15,bay Road, Londonderry, Co.londonderry, BT48 7SH

      IIF 12
    • 27-28, Eastcastle Street, London, W1W 8DH

      IIF 13
    • C/o Robert Keys & Co Ltd, 15 Bay Road, Londonderry, BT48 7SH

      IIF 14
child relation
Offspring entities and appointments 9
  • 1
    ACE HOME CENTRE LIMITED
    - now NI039889
    SHANTON LIMITED
    - 2004-03-22 NI039889
    C/o Robert Keys & Co Ltd, 15 Bay Road, Londonderry
    Active Corporate (11 parents)
    Officer
    2001-01-11 ~ now
    IIF 2 - Director → ME
    Person with significant control
    2019-07-12 ~ now
    IIF 14 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    DERRY BUILDING SUPPLIES LIMITED
    - now NI006295
    ROBERT KEYS SUPERHOMES LIMITED - 1996-01-03
    FOYLE FRAME HOMES LIMITED - 1989-04-17
    15 Bay Road, Londonderry, Co Londondery
    Dissolved Corporate (10 parents)
    Officer
    2001-02-28 ~ dissolved
    IIF 8 - Director → ME
    Person with significant control
    2019-07-12 ~ dissolved
    IIF 10 - Ownership of shares – More than 25% but not more than 50% OE
  • 3
    DORRAH SERVICES LIMITED
    05960838
    Nethergers, Church Lane, Robertsbridge, East Sussex, England
    Active Corporate (9 parents)
    Equity (Company account)
    237,332 GBP2024-10-31
    Officer
    2012-02-25 ~ 2016-08-25
    IIF 4 - Director → ME
  • 4
    DUNDERG BUILDING SUPPLIES LIMITED
    NI017031
    15 Bay Road, Londonderry, Co.londonderry
    Dissolved Corporate (10 parents)
    Officer
    2001-02-28 ~ dissolved
    IIF 9 - Director → ME
    Person with significant control
    2019-07-12 ~ dissolved
    IIF 11 - Ownership of shares – More than 25% but not more than 50% OE
  • 5
    EYRE HOTELS LIMITED
    - now 05894452
    EYRE HOTEL INVESTMENTS LIMITED
    - 2008-03-20 05894452
    190 Queen's Gate, Kensington, London, England
    Active Corporate (29 parents)
    Officer
    2006-08-31 ~ 2014-07-07
    IIF 6 - Director → ME
  • 6
    ROBERT KEYS & COMPANY LIMITED
    NI001065
    15,bay Road, Londonderry, Co.londonderry
    Active Corporate (18 parents)
    Officer
    2000-07-17 ~ now
    IIF 3 - Director → ME
    Person with significant control
    2019-07-12 ~ now
    IIF 12 - Ownership of shares – More than 25% but not more than 50% OE
  • 7
    RUNNERWIN LIMITED
    07653050 05967608
    At The Offices Of Crowe Clark Whitehill St. Brides House, 10 Salisbury Square, London, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2011-05-31 ~ dissolved
    IIF 5 - Director → ME
  • 8
    WINRUNNER LTD
    05967608 07653050
    27-28 Eastcastle Street, London
    Dissolved Corporate (10 parents)
    Officer
    2006-10-27 ~ dissolved
    IIF 7 - Director → ME
    Person with significant control
    2019-07-12 ~ dissolved
    IIF 13 - Ownership of shares – More than 25% but not more than 50% OE
  • 9
    WIRE MESH LIMITED
    NF004211
    Branch Registration, Refer To Parent Registry
    Active Corporate (8 parents)
    Officer
    2007-08-09 ~ now
    IIF 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.