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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

Parkinson, John David, Mr.

    Related profiles found in government register
  • Parkinson, John David, Mr.
    British born in January 1963

    Resident in England

    Registered addresses and corresponding companies
    • West House, King Cross Road, Halifax, West Yorkshire, HX1 1EB, England

      IIF 1
    • West House, King Cross Road, Halifax, West Yorkshire, HX1 1EB, United Kingdom

      IIF 2
  • Parkinson, John David, Mr.
    British -- born in January 1963

    Resident in England

    Registered addresses and corresponding companies
    • Discovery House, Chivers Way, Histon, Cambridge, CB24 9ZR

      IIF 3
  • Parkinson, John David, Mr.
    British director born in January 1963

    Resident in England

    Registered addresses and corresponding companies
    • 29 Burnhill Row, London, EC1Y 8LP, England

      IIF 4
  • Mr. John David Parkinson
    British born in January 1963

    Resident in England

    Registered addresses and corresponding companies
    • West House, King Cross Road, Halifax, West Yorkshire, HX1 1EB

      IIF 5
    • West House, King Cross Road, Halifax, West Yorkshire, HX1 1EB, England

      IIF 6
    • West House, King Cross Road, Halifax, West Yorkshire, HX1 1EB, United Kingdom

      IIF 7
child relation
Offspring entities and appointments 4
  • 1
    CROWN INTEGRATED SERVICES LTD
    - now 14446453
    CROWN INTEGRATION SERVICES LTD
    - 2023-07-27 14446453
    West House, King Cross Road, Halifax, West Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Officer
    2022-10-27 ~ now
    IIF 2 - Director → ME
    Person with significant control
    2022-10-27 ~ now
    IIF 7 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 7 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    INTERNET WATCH FOUNDATION
    - now 03426366
    INTERNET WATCH FOUNDATION LIMITED - 2005-01-13
    CATCHROPE LIMITED - 1998-10-30
    Discovery House Chivers Way, Histon, Cambridge
    Active Corporate (79 parents, 1 offspring)
    Officer
    2018-01-01 ~ 2024-01-01
    IIF 3 - Director → ME
  • 3
    INTERSEC CONSULTANCY LTD
    - now 08479205
    JD PARKINSON CONSULTANCY LTD
    - 2022-10-12 08479205
    West House, King Cross Road, Halifax, West Yorkshire
    Active Corporate (2 parents)
    Officer
    2013-04-08 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-04-09 ~ now
    IIF 5 - Has significant influence or control OE
  • 4
    SECURED COMMUNICATIONS (UK) LTD
    12080742
    29 Burnhill Row, London, England
    Dissolved Corporate (5 parents)
    Officer
    2019-07-02 ~ dissolved
    IIF 4 - Director → ME
    Person with significant control
    2019-07-02 ~ 2021-08-04
    IIF 6 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 6 - Ownership of shares – More than 25% but not more than 50% OE

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