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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

Mr David John Groom

    Related profiles found in government register
  • Mr David John Groom
    British born in July 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 424 Margate Road, Westwood, Ramsgate, Kent, CT12 6SJ, England

      IIF 1
  • Groom, David John
    British business executive born in July 1954

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 2 Mill Street, Mayfair, London, W1S 2AT, United Kingdom

      IIF 2
    • icon of address C/o Optiva Securities Limited, 2 Mill Street, Mayfair, London, W1S 2AT, United Kingdom

      IIF 3 IIF 4
child relation
Offspring entities and appointments
Active 2
  • 1
    PRIMUS RESOURCES LIMITED - 2012-02-27
    icon of address 2 Mill Street, Mayfair, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2012-02-14 ~ dissolved
    IIF 2 - Director → ME
  • 2
    icon of address C/o Optiva Securities Limited 2 Mill Street, Mayfair, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2012-02-24 ~ dissolved
    IIF 4 - Director → ME
Ceased 2
  • 1
    icon of address 424 Margate Road Westwood, Ramsgate, Kent, England
    Active Corporate (1 parent)
    Person with significant control
    icon of calendar 2017-08-24 ~ 2018-02-01
    IIF 1 - Has significant influence or control OE
  • 2
    PROJECT NEPTUNE NEWCO LIMITED - 2012-02-27
    icon of address C/o Optiva Securities Limited 2 Mill Street, Mayfair, London
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2012-02-27 ~ 2013-03-30
    IIF 3 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.