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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

O'brien, Siobhan Michelle

    Related profiles found in government register
  • O'brien, Siobhan Michelle
    British born in April 1964

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 42 Woodside Road, Londonderry, BT47 2QE

      IIF 1
  • O'brien, Siobhan Michelle
    British married woman born in April 1964

    Resident in Northern Ireland

    Registered addresses and corresponding companies
    • 42 Woodside Road, Derry, BT47 2QE

      IIF 2
  • O'brien, Siobhan Michelle
    British

    Registered addresses and corresponding companies
    • 42 Woodside Road, Derry, BT47 2QE

      IIF 3
    • 42 Woodside Road, Londonderry, BT47 2QE

      IIF 4
  • O'brien, Siobhan Michelle

    Registered addresses and corresponding companies
    • 42 Woodside Road, Waterside, Derry, BT47 2QE

      IIF 5
    • 42 Woodside Road, Londonderry, BT47 2QE

      IIF 6
child relation
Offspring entities and appointments
Active 2
  • 1
    CULMORE LAND & PROPERTY LIMITED
    - now NI069730
    BATHWICK INVESTMENTS LIMITED
    - 2008-10-07 NI069730
    42 Woodside Road, Londonderry
    Active Corporate (3 parents)
    Equity (Company account)
    2 GBP2024-06-30
    Officer
    2008-09-29 ~ now
    IIF 4 - Secretary → ME
  • 2
    PETER O'BRIEN HOMES LIMITED
    - now NI037925
    ERRIGAL PROPERTIES LIMITED
    - 2000-07-05 NI037925
    42 Woodside Road, Waterrside, Derry
    Active Corporate (2 parents)
    Equity (Company account)
    3,409,843 GBP2024-03-31
    Officer
    2000-02-17 ~ now
    IIF 5 - Secretary → ME
Ceased 2
  • 1
    CHESTNUT GROVE ESTATES LIMITED
    NI068981
    34 34 Victoria Road, Londonderry
    Active Corporate (3 parents)
    Equity (Company account)
    2 GBP2024-04-30
    Officer
    2008-04-18 ~ 2014-04-17
    IIF 2 - Director → ME
    2008-04-18 ~ 2014-05-27
    IIF 3 - Secretary → ME
  • 2
    DRUMLERRY MANAGEMENT COMPANY LIMITED
    NI059441
    Limavady Business Park Bwest, 89 Dowland Road, Limavady, Northern Ireland
    Active Corporate (4 parents)
    Officer
    2006-05-25 ~ 2007-10-17
    IIF 1 - Director → ME
    2006-05-25 ~ 2007-10-17
    IIF 6 - Secretary → ME

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