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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

Pertl, Klaus-dieter

  • Pertl, Klaus-dieter
    Austrian born in April 1971

    Resident in Austria

    Registered addresses and corresponding companies
    • Strabag Ag, Projektentwicklung Infrastruktur, Donau-city-str. 9, Vienna, A-1220, Austria

      IIF 1 IIF 2
child relation
Offspring entities and appointments 2
  • 1
    CASCADE INFRASTRUCTURE HOLDINGS LIMITED
    16451135
    27 Old Gloucester Street, London, United Kingdom
    Active Corporate (12 parents, 1 offspring)
    Officer
    2025-05-14 ~ now
    IIF 2 - Director → ME
  • 2
    CASCADE INFRASTRUCTURE LIMITED
    16453851
    27 Old Gloucester Street, London, United Kingdom
    Active Corporate (10 parents)
    Officer
    2025-05-15 ~ now
    IIF 1 - Director → ME

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