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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

D'ancona, John

    Related profiles found in government register
  • D'ancona, John
    British born in May 1935

    Registered addresses and corresponding companies
    • 33 Culverey Road, Catford, London, SE6 2LD

      IIF 1
  • D Ancona, John Edward William
    British consultant born in May 1935

    Registered addresses and corresponding companies
    • 33 Culverley Road, Catford, London, SE6 2LD

      IIF 2
child relation
Offspring entities and appointments 2
  • 1
    CLARION DEFENCE (UK) LIMITED - now
    SPEARHEAD EXHIBITIONS LIMITED - 2008-06-12
    PGI SPEARHEAD LIMITED - 2002-01-16
    PGI-SPEARHEAD LIMITED - 2000-08-17
    SPEARHEAD EXHIBITIONS LIMITED
    - 2000-02-21 01062758 03056668
    NORTH SEA OIL DIRECTORY LIMITED - 1977-12-31
    Vintage House, 36 - 37 Albert Embankment, London, England
    Active Corporate (37 parents, 1 offspring)
    Officer
    1996-09-26 ~ 1999-01-28
    IIF 1 - Director → ME
  • 2
    SOCIETY FOR UNDERWATER TECHNOLOGY(THE)
    - now 00932590
    SOCIETY FOR UNDERWATER TECHNOLOGY LIMITED(THE) - 1986-02-07
    2-4 Packhorse Road, Gerrards Cross, Buckinghamshire, England
    Active Corporate (98 parents)
    Officer
    1997-12-04 ~ 2003-12-04
    IIF 2 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.