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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 Michael Peter O'sullivan

    Related profiles found in government register
  • Mr Michael Peter O'sullivan
    Irish born in January 1948

    Resident in England

    Registered addresses and corresponding companies
    • Foxley, Hancocks Mount, Ascot, SL5 9PQ, England

      IIF 1
  • O'sullivan, Michael Peter
    Irish born in January 1948

    Resident in England

    Registered addresses and corresponding companies
    • Foxley, Hancocks Mount, Ascot, Berkshire, SL5 9PQ

      IIF 2
  • O'sullivan, Michael Peter
    Irish accountant born in January 1948

    Resident in England

    Registered addresses and corresponding companies
    • Foxley, Hancocks Mount, Ascot, Berkshire, SL5 9PQ

      IIF 3
  • O'sullivan, Michael Peter
    Irish director born in January 1948

    Resident in England

    Registered addresses and corresponding companies
    • Foxley, Hancocks Mount, Ascot, Berkshire, SL5 9PQ, United Kingdom

      IIF 4
  • O'sullivan, Michael Peter
    Irish accountant

    Registered addresses and corresponding companies
    • Foxley, Hancocks Mount, Ascot, Berkshire, SL5 9PQ

      IIF 5
  • O'sullivan, Michael Peter

    Registered addresses and corresponding companies
    • Foxley, Hancocks Mount, Ascot, Berkshire, SL5 9PQ, United Kingdom

      IIF 6
child relation
Offspring entities and appointments 3
  • 1
    AMARIN CORPORATION PLC - now
    ETHICAL HOLDINGS PLC
    - 1999-12-23 02353920 12737118
    LOCKGEN LIMITED - 1989-10-17
    One, New Change, London
    Active Corporate (73 parents, 1 offspring)
    Officer
    1995-08-03 ~ 1999-03-18
    IIF 3 - Director → ME
  • 2
    FOXLEYGATE LTD
    07799946
    Foxley, Hancocks Mount, Ascot, Berkshire
    Dissolved Corporate (2 parents)
    Officer
    2011-10-06 ~ dissolved
    IIF 4 - Director → ME
    2011-10-06 ~ dissolved
    IIF 6 - Secretary → ME
  • 3
    PLEXUS VENTURES LIMITED
    03829143
    Foxley, Hancocks Mount, Ascot, Berkshire
    Active Corporate (6 parents)
    Officer
    1999-08-20 ~ now
    IIF 2 - Director → ME
    1999-08-20 ~ now
    IIF 5 - Secretary → ME
    Person with significant control
    2016-08-20 ~ now
    IIF 1 - Ownership of shares – 75% or more OE

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