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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

Williamson, Trevor Andrew

    Related profiles found in government register
  • Williamson, Trevor Andrew
    British born in January 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 843 Finchley Road, London, NW11 8NA, United Kingdom

      IIF 1
  • Williamson, Trevor Andrew
    British architect born in January 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 451, West Green Road, London, N15 3PL, England

      IIF 2
    • icon of address 451, West Green Road, London, N15 3PL, United Kingdom

      IIF 3
    • icon of address 843 Finchley Road, London, NW11 8NA, England

      IIF 4
  • Williamson, Trevor Andrew
    British director born in January 1956

    Registered addresses and corresponding companies
  • Williamson, Trevor Andrew
    British

    Registered addresses and corresponding companies
    • icon of address 451, West Green Road, London, N15 3PL, United Kingdom

      IIF 10
  • Mr Trevor Andrew Williamson
    British born in January 1956

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 582, Lordship Lane, London, N22 5BY, England

      IIF 11
  • Williamson, Trevor Andrew

    Registered addresses and corresponding companies
    • icon of address 843 Finchley Road, London, NW11 8NA, England

      IIF 12
child relation
Offspring entities and appointments
Active 3
  • 1
    icon of address 451 West Green Road, London
    Dissolved Corporate (2 parents)
    Total Assets Less Current Liabilities (Company account)
    -22,959 GBP2015-07-31
    Officer
    icon of calendar 2013-11-01 ~ dissolved
    IIF 2 - Director → ME
  • 2
    icon of address 843 Finchley Road, London, England
    Dissolved Corporate (2 parents)
    Total Assets Less Current Liabilities (Company account)
    -19,553 GBP2016-05-30
    Officer
    icon of calendar 2015-05-01 ~ dissolved
    IIF 4 - Director → ME
    icon of calendar 2015-05-01 ~ dissolved
    IIF 12 - Secretary → ME
  • 3
    icon of address 843 Finchley Road, London, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    91,435 GBP2025-03-31
    Officer
    icon of calendar 2010-11-23 ~ now
    IIF 1 - Director → ME
    Person with significant control
    icon of calendar 2016-11-30 ~ now
    IIF 11 - Has significant influence or control as a member of a firmOE
    IIF 11 - Has significant influence or control over the trustees of a trustOE
    IIF 11 - Has significant influence or controlOE
Ceased 6
  • 1
    AETHOS CASTIADAS LTD - 2006-10-31
    icon of address 35 Paul Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2004-03-31 ~ 2007-06-05
    IIF 9 - Director → ME
  • 2
    icon of address 35 Paul Street, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2004-03-08 ~ 2007-06-05
    IIF 7 - Director → ME
  • 3
    icon of address 35 Paul Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2004-03-08 ~ 2007-06-05
    IIF 5 - Director → ME
  • 4
    icon of address 35 Paul Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2004-03-08 ~ 2007-06-05
    IIF 6 - Director → ME
  • 5
    W2A DESIGN ASSOCIATES LIMITED - 2005-12-13
    icon of address 35 Paul Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2002-05-30 ~ 2007-06-05
    IIF 8 - Director → ME
  • 6
    icon of address 451 West Green Road, London
    Dissolved Corporate (2 parents)
    Total Assets Less Current Liabilities (Company account)
    -22,959 GBP2015-07-31
    Officer
    icon of calendar 2013-04-30 ~ 2013-08-20
    IIF 3 - Director → ME
    icon of calendar 2013-04-30 ~ 2013-08-20
    IIF 10 - Secretary → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.