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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

O'neill, Declan

    Related profiles found in government register
  • O'neill, Declan

    Registered addresses and corresponding companies
    • Kennedy House, 31 Stamford Street, Altrincham, Greater Manchester, WA14 1ES

      IIF 1
    • Drummullan House, Farnham, Cavan, Ireland

      IIF 2
    • Drummullan House, Farnham, Co.cavan, NA, Ireland

      IIF 3
  • O'neill, Declan
    born in December 1955

    Resident in Ireland

    Registered addresses and corresponding companies
    • 6, More London Place, London, SE1 2DA, England

      IIF 4
  • O'neill, Declan
    Irish accountant born in December 1962

    Resident in Ireland

    Registered addresses and corresponding companies
    • Drummullan House, Farnham, Cavan, Ireland

      IIF 5
  • O'neill, Declan
    Irish ceo born in December 1962

    Resident in Ireland

    Registered addresses and corresponding companies
    • Suites A And B, Ailsa House, 3 Turnberry House, Plot 4400 Parkway, Solent Business Park Whiteley, Fareham, Hampshire, PO15 7FJ, England

      IIF 6
  • O'neill, Declan
    Irish company director born in December 1962

    Resident in Ireland

    Registered addresses and corresponding companies
    • 26-27, Lower Woodstock Street, Castle Cary, Somerset, BA7 7BH, United Kingdom

      IIF 7
  • O'neill, Declan
    Irish company director born in November 1965

    Resident in Ireland

    Registered addresses and corresponding companies
    • Drummullan House, Farnham, Co.cavan, NA, Ireland

      IIF 8
child relation
Offspring entities and appointments 5
  • 1
    ERNST & YOUNG EUROPE LLP
    OC338303 05138030
    1 More London Place, London, England
    Active Corporate (6532 parents, 10 offsprings)
    Officer
    2012-06-30 ~ 2016-07-31
    IIF 4 - LLP Member → ME
  • 2
    OBELISK NETWORKS (UK) LIMITED
    - now NI038533
    OBELISK COMMUNICATIONS (UK) LIMITED
    - 2010-06-29 NI038533
    Room Sf2 11 - 14 Newry Street, Warrenpoint, Newry, Co. Down., Northern Ireland
    Active Corporate (14 parents)
    Officer
    2006-05-10 ~ 2024-11-08
    IIF 5 - Director → ME
    2005-07-01 ~ 2022-04-26
    IIF 2 - Secretary → ME
  • 3
    OBELISK POWER SYSTEMS UK LIMITED
    10105921
    Suites A And B, Ailsa House, 3 Turnberry House Plot 4400 Parkway, Solent Business Park Whiteley, Fareham, Hampshire, England
    Active Corporate (15 parents)
    Officer
    2016-04-06 ~ 2024-11-08
    IIF 6 - Director → ME
    2019-02-12 ~ 2022-04-26
    IIF 1 - Secretary → ME
  • 4
    THE O4S PARTNERSHIP LTD
    09449595
    26-27 Lower Woodcock Street, Castle Cary, Somerset, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2015-02-19 ~ dissolved
    IIF 7 - Director → ME
  • 5
    WIND MEASUREMENT INTERNATIONAL LIMITED
    07314785
    Wmi Ltd. C/o Obelisk F1 Kennedy House, 31 Stamford Street, Altrincham, England
    Dissolved Corporate (5 parents, 1 offspring)
    Officer
    2010-07-14 ~ dissolved
    IIF 8 - Director → ME
    2010-07-14 ~ dissolved
    IIF 3 - Secretary → ME

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