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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

Castle, Alan Frederick, Dr

    Related profiles found in government register
  • Castle, Alan Frederick, Dr
    British born in September 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Pi House, 40a London Road, Gloucester, GL1 3NU, England

      IIF 1
  • Castle, Alan Frederick, Dr
    British technical director born in September 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Brackens Yorkley Wood, Yorkley, Lydney, Gloucestershire, GL15 4TU

      IIF 2
  • Dr Alan Frederick Castle
    British born in September 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Goodridge Court, Goodridge Avenue, Gloucester, Gloucestershire, GL2 5EN, United Kingdom

      IIF 3
child relation
Offspring entities and appointments 2
  • 1
    SERVICE ALUMINIUM COMPANY LIMITED
    01033720
    Quantuma Llp, 5th Floor One Temple Quay, Bristol
    Dissolved Corporate (9 parents)
    Officer
    1994-01-01 ~ dissolved
    IIF 2 - Director → ME
  • 2
    SERVICE EXTRUSION CONSULTANTS LTD
    09302391
    Pi House, 40a London Road, Gloucester, England
    Active Corporate (2 parents)
    Officer
    2014-11-10 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 3 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 3 - Ownership of voting rights - More than 25% but not more than 50% OE

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