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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.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Mcdermott, Stephen Tassos

    Related profiles found in government register
  • Mcdermott, Stephen Tassos
    born in March 1978

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 70, Pall Mall, London, SW1Y 5ES, United Kingdom

      IIF 1
  • Mcdermott, Stephen Tassos
    British director born in March 1978

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 1 Kings Avenue, London, N21 3NA, United Kingdom

      IIF 2
    • icon of address New Broad Street House, 35 New Broad Street, London, EC2M 1NH, United Kingdom

      IIF 3
  • Mcdermott, Stephen
    British consultant born in March 1978

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 71b, Oakley Road, London, N1 3LW, United Kingdom

      IIF 4
  • Mcdermott, Stephen
    British director born in March 1978

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 28, Woodberry Crescent, London, N10 1PH, United Kingdom

      IIF 5
  • Mr Stephen Mcdermott
    British born in March 1978

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 28, Woodberry Crescent, London, N10 1PH, United Kingdom

      IIF 6
  • Mr Stephen Tassos Mcdermott
    British born in March 1978

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 1 Kings Avenue, London, N21 3NA, United Kingdom

      IIF 7
child relation
Offspring entities and appointments
Active 4
  • 1
    icon of address Cian Murchu, 84 Ondine Road, London
    Active Corporate (3 parents)
    Equity (Company account)
    4 GBP2024-05-31
    Officer
    icon of calendar 2011-05-16 ~ now
    IIF 4 - Director → ME
  • 2
    HORIZON ASSET INVESTMENT MANAGEMENT LLP - 2014-07-22
    icon of address 70 Pall Mall, London, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 2025-09-01 ~ now
    IIF 1 - LLP Designated Member → ME
  • 3
    icon of address 1 Kings Avenue, London, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    -1,298 GBP2024-03-31
    Officer
    icon of calendar 2022-09-26 ~ now
    IIF 2 - Director → ME
    Person with significant control
    icon of calendar 2022-09-26 ~ now
    IIF 7 - Ownership of voting rights - 75% or moreOE
    IIF 7 - Ownership of shares – 75% or moreOE
  • 4
    icon of address 28 Woodberry Crescent, London, England
    Dissolved Corporate (2 parents)
    Person with significant control
    icon of calendar 2021-08-12 ~ dissolved
    IIF 6 - Ownership of shares – More than 50% but less than 75%OE
Ceased 2
  • 1
    icon of address 60 Gresham Street Gresham Street, London, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 2007-01-01 ~ 2022-07-15
    IIF 3 - Director → ME
  • 2
    icon of address 34-40 High Street Wanstead, London, England
    Dissolved Corporate (1 parent)
    Equity (Company account)
    10 GBP2024-03-31
    Officer
    icon of calendar 2018-01-31 ~ 2019-03-14
    IIF 5 - Director → ME

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.