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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 Derek Allen Mason

    Related profiles found in government register
  • Mr Derek Allen Mason
    British born in November 1963

    Resident in England

    Registered addresses and corresponding companies
    • Roger Mcmillan Properties, Limited Oak House 5 Woodend Park, Cobham, Surrey, KT11 3BX

      IIF 1
    • 29, Silver Drive, Surrey, Frimley, Surrey, GU16 9QR, England

      IIF 2
    • 25 River Way, Twickenham, Middlesex, TW2 5JP, United Kingdom

      IIF 3
  • Mason, Derek Allen
    British born in November 1963

    Resident in England

    Registered addresses and corresponding companies
    • 29, Silver Drive, Frimley, Camberley, GU16 9QR, England

      IIF 4
    • 29, Silver Drive, Frimley, Camberley, Surrey, GU16 9QR, England

      IIF 5
    • Roger Mcmillan Properties, Limited Oak House 5 Woodend Park, Cobham, Surrey, KT11 3BX

      IIF 6
  • Mason, Derek Allen
    British structural engineer born in November 1963

    Resident in England

    Registered addresses and corresponding companies
    • 25, River Way, Twickenham, TW2 5JP, United Kingdom

      IIF 7
  • Mason, Derek Allen
    British structural engineering born in November 1963

    Resident in England

    Registered addresses and corresponding companies
    • 25, River Way, Twickenham, Middlesex, TW2 5JP, United Kingdom

      IIF 8
  • Mason, Derek Allen
    British structural engineer

    Registered addresses and corresponding companies
    • Roger Mcmillan Properties, Limited Oak House 5 Woodend Park, Cobham, Surrey, KT11 3BX

      IIF 9
child relation
Offspring entities and appointments 5
  • 1
    BOBROWSKI LTD
    08064581
    25 River Way, Twickenham
    Dissolved Corporate (1 parent, 1 offspring)
    Officer
    2012-05-10 ~ dissolved
    IIF 7 - Director → ME
  • 2
    CHELSEA CLOSE FLAT MANAGEMENT LIMITED
    - now 01849565
    ASTROHEATH LIMITED - 1984-11-05
    Roger Mcmillan Properties, Limited Oak House 5 Woodend Park, Cobham, Surrey
    Active Corporate (14 parents)
    Officer
    2014-09-30 ~ now
    IIF 6 - Director → ME
    2006-08-17 ~ 2021-02-24
    IIF 9 - Secretary → ME
    Person with significant control
    2016-07-31 ~ now
    IIF 1 - Has significant influence or control OE
  • 3
    DOODLE STRUCTURES LIMITED
    08930763
    25 River Way, Twickenham, Middlesex
    Dissolved Corporate (1 parent)
    Officer
    2014-03-10 ~ dissolved
    IIF 8 - Director → ME
  • 4
    SSA CONSULTING ENGINEERS LIMITED
    08073262
    29 Silver Drive, Frimley, Camberley, England
    Active Corporate (1 parent)
    Officer
    2012-05-17 ~ now
    IIF 4 - Director → ME
    Person with significant control
    2016-05-17 ~ now
    IIF 2 - Ownership of shares – 75% or more OE
  • 5
    SUPER STRUCTURES ASSOCIATES LIMITED
    07593998
    Electroline House, 15 Lion Road, Twickenham, Middlesex, United Kingdom
    Active Corporate (1 parent)
    Officer
    2011-04-06 ~ now
    IIF 5 - Director → ME
    Person with significant control
    2017-04-05 ~ now
    IIF 3 - Ownership of voting rights - 75% or more OE
    IIF 3 - Ownership of shares – 75% or more OE
    IIF 3 - Right to appoint or remove directors OE

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