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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, Mark

    Related profiles found in government register
  • Castle, Mark
    British

    Registered addresses and corresponding companies
    • 20 The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT

      IIF 1
  • Castle, Mark
    British director

    Registered addresses and corresponding companies
    • 20 The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT

      IIF 2
    • 20, The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT, United Kingdom

      IIF 3
  • Castle, Mark
    British born in April 1971

    Resident in England

    Registered addresses and corresponding companies
    • Woodberry House, 2 Woodberry Grove, Finchley, London, N12 0DR, United Kingdom

      IIF 4
    • 20 The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT

      IIF 5
    • 20, The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT, United Kingdom

      IIF 6
  • Castle, Mark
    British director born in April 1971

    Resident in England

    Registered addresses and corresponding companies
    • 20 The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT

      IIF 7 IIF 8
  • Castle, Mark
    British director born in April 1971

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 20, The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT, United Kingdom

      IIF 9
  • Mr Mark Castle
    British born in April 1971

    Resident in England

    Registered addresses and corresponding companies
    • Woodberry House, 2 Woodberry Grove, London, N12 0DR, England

      IIF 10
    • 20, The Chase, Oaklands, Welwyn, Hertfordshire, AL6 0QT, United Kingdom

      IIF 11
    • 20, The Chase, Oaklands, Welwyn, Herts, AL6 0QT, England

      IIF 12
child relation
Offspring entities and appointments 6
  • 1
    CAPTIVE REALITY LTD
    10983259
    20 The Chase, Oaklands, Welwyn, Hertfordshire, United Kingdom
    Active Corporate (1 parent)
    Officer
    2017-09-27 ~ now
    IIF 6 - Director → ME
    Person with significant control
    2017-09-27 ~ now
    IIF 11 - Right to appoint or remove directors OE
    IIF 11 - Ownership of shares – 75% or more OE
    IIF 11 - Ownership of voting rights - 75% or more OE
  • 2
    CASTLE COMMUNICATIONS LTD
    - now 04300844
    SECURA CONSULTING LTD
    - 2014-04-15 04300844
    20 The Chase, Welwyn, Hertfordshire
    Dissolved Corporate (4 parents, 1 offspring)
    Officer
    2001-11-01 ~ dissolved
    IIF 7 - Director → ME
    Person with significant control
    2016-04-15 ~ dissolved
    IIF 12 - Ownership of shares – 75% or more OE
  • 3
    SECURA HOSTING LTD
    04330657
    Unit 1a-1b Millennium Way, Pride Park, Derby, Derbyshire, England
    Active Corporate (18 parents)
    Officer
    2002-04-15 ~ 2014-11-10
    IIF 5 - Director → ME
    2005-01-18 ~ 2014-11-10
    IIF 1 - Secretary → ME
  • 4
    SECURA NETWORKS LTD
    04926699
    20 The Chase, Welwyn, Hertfordshire
    Dissolved Corporate (5 parents)
    Officer
    2003-10-10 ~ dissolved
    IIF 9 - Director → ME
    2005-01-18 ~ dissolved
    IIF 3 - Secretary → ME
  • 5
    VRTIZE LIMITED
    10011624
    20 The Chase, Welwyn, Hertfordshire, England
    Active Corporate (2 parents)
    Officer
    2016-02-18 ~ now
    IIF 4 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 10 - Ownership of shares – More than 25% but not more than 50% OE
  • 6
    WEB HOSTS LTD
    04682680
    20 The Chase, Welwyn, Hertfordshire
    Dissolved Corporate (7 parents)
    Officer
    2003-04-01 ~ dissolved
    IIF 8 - Director → ME
    2003-04-01 ~ dissolved
    IIF 2 - Secretary → ME

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