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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

Mr Douglas Alexander Tremellen

    Related profiles found in government register
  • Mr Douglas Alexander Tremellen
    British born in December 1988

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 18, Kitley Gardens, London, SE19 2RY, England

      IIF 1
    • 30a, St. Marys Street, Wallingford, OX10 0ET, England

      IIF 2
  • Tremellen, Douglas Alexander
    British born in December 1988

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 30a, St. Marys St, Wallingford, OX10 0ET, United Kingdom

      IIF 3
  • Tremellen, Douglas Alexander
    British knowledge sharing born in December 1988

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 87, Esher Gardens, London, SW19 6BZ, United Kingdom

      IIF 4
  • Tremellen, Douglas
    British professional born in December 1988

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 18, Kitley Gardens, London, SE19 2RY, England

      IIF 5
  • Tremellen, Douglas Alexander

    Registered addresses and corresponding companies
    • 30a, St Mary's Street, Wallingford, OX10 0ET, United Kingdom

      IIF 6
child relation
Offspring entities and appointments 3
  • 1
    30 ST MARY`S STREET MANAGEMENT LIMITED
    05991589
    30a St Mary's Street, Wallingford, United Kingdom
    Active Corporate (14 parents)
    Officer
    2024-12-10 ~ now
    IIF 3 - Director → ME
    2026-03-17 ~ now
    IIF 6 - Secretary → ME
    Person with significant control
    2024-12-11 ~ now
    IIF 2 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    HORIZON ENTERPRISES 21 LTD
    07956084
    87 Esher Gardens, London, United Kingdom
    Dissolved Corporate (4 parents)
    Officer
    2012-02-20 ~ dissolved
    IIF 4 - Director → ME
  • 3
    OPEN ACCESS LEARNING LIMITED
    09024545
    18 Kitley Gardens, London, England
    Dissolved Corporate (3 parents)
    Officer
    2014-05-06 ~ dissolved
    IIF 5 - Director → ME
    Person with significant control
    2016-07-23 ~ dissolved
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 1 - Ownership of shares – 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.