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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

Keegan, Dennis John

    Related profiles found in government register
  • Keegan, Dennis John
    Usa banker born in September 1952

    Registered addresses and corresponding companies
    • 6 Frognal Close, Hampstead, London, NW3 6YB

      IIF 1 IIF 2
  • Keegan, Dennis John
    Usa chief executive-investment ban born in September 1952

    Registered addresses and corresponding companies
    • 6 Frognal Close, Hampstead, London, NW3 6YB

      IIF 3
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 3
  • 1
    INTERNATIONAL PRIMARY MARKET ASSOCIATION
    01873148
    110 Cannon Street, London, United Kingdom
    Active Corporate (2 parents)
    Officer
    1992-03-12 ~ 1993-08-19
    IIF 3 - Director → ME
  • 2
    LIFFE (HOLDINGS) LIMITED - now
    LIFFE (HOLDINGS) PLC
    - 2011-07-12 02224190
    2nd Floor, Sancroft Rose Street, Paternoster Square, London, United Kingdom
    Active Corporate (5 parents, 2 offsprings)
    Officer
    ~ 1993-09-21
    IIF 1 - Director → ME
  • 3
    LIFFE ADMINISTRATION AND MANAGEMENT
    - now 01591809
    THE LONDON INTERNATIONAL FINANCIAL FUTURES EXCHANGE(ADMINISTRATION ANDMANAGEMENT)
    - 1992-03-20 01591809
    LONDON INTERNATIONAL FINANCIAL FUTURES EXCHANGE LIMITED(THE)
    - 1989-07-31 01591809
    2nd Floor, Sancroft Rose Street, Paternoster Square, London, United Kingdom
    Active Corporate (3 parents)
    Officer
    ~ 1993-09-21
    IIF 2 - Director → ME

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