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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

Semlyen, James Joseph

    Related profiles found in government register
  • Semlyen, James Joseph
    British born in January 1968

    Resident in England

    Registered addresses and corresponding companies
    • 36, Belle Vue Street, York, YO10 5AY, England

      IIF 1
  • Semlyen, James Joseph
    British i t consultant born in January 1968

    Resident in England

    Registered addresses and corresponding companies
    • Brinkworth Park House, Elvington, York, North Yorkshire, YO41 4AT

      IIF 2
  • Mr James Joseph Semlyen
    British born in January 1968

    Resident in England

    Registered addresses and corresponding companies
    • Unit 2, The Enterprise Complex, Walmgate, York, YO1 9TT, England

      IIF 3
child relation
Offspring entities and appointments 2
  • 1
    BLAKENEY PLACE LIMITED
    01638363
    4-6 Gillygate, York, England
    Active Corporate (25 parents)
    Officer
    2007-10-18 ~ 2009-11-09
    IIF 2 - Director → ME
  • 2
    CASTLEGATE I.T. LIMITED
    07824836
    Blake House, 18 Blake Street, York, England
    Active Corporate (4 parents)
    Officer
    2011-10-26 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2016-10-01 ~ now
    IIF 3 - Ownership of shares – More than 50% but less than 75% OE
    IIF 3 - Ownership of voting rights - More than 50% but less than 75% OE

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