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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, Mats William

  • Williamson, Mats William
    Swedish company director born in March 1958

    Registered addresses and corresponding companies
    • icon of address Flat 3, Addison Road, London, W14 8ED, United Kingdom

      IIF 1 IIF 2
    • icon of address Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire, WD3 9SW

      IIF 3 IIF 4 IIF 5
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 5
  • 1
    icon of address Maple Cross House, Denham Way Maple Cross, Rickmansworth, Hertfordshire
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2008-08-20 ~ 2009-03-12
    IIF 2 - Director → ME
  • 2
    icon of address 1 Hercules Way, Leavesden, Watford, United Kingdom
    Active Corporate (4 parents, 3 offsprings)
    Officer
    icon of calendar 2008-07-24 ~ 2009-10-01
    IIF 4 - Director → ME
  • 3
    CEMENTATION (MAJOR PROJECTS) LIMITED - 1991-11-07
    CEMENTATION CONSTRUCTION LIMITED - 1990-02-28
    TRAFALGAR HOUSE CONSTRUCTION (MAJOR PROJECTS) LIMITED - 1994-07-08
    KVAERNER CONSTRUCTION LIMITED - 2000-11-09
    TRAFALGAR HOUSE CONSTRUCTION SPECIAL PROJECTS LIMITED - 1997-01-02
    icon of address 1 Hercules Way, Leavesden, Watford, United Kingdom
    Active Corporate (8 parents, 8 offsprings)
    Officer
    icon of calendar 2008-07-24 ~ 2009-10-01
    IIF 5 - Director → ME
  • 4
    SKANSKA UK LTD - 2001-01-02
    icon of address 1 Hercules Way, Leavesden, Watford, United Kingdom
    Active Corporate (5 parents)
    Officer
    icon of calendar 2008-09-01 ~ 2009-10-01
    IIF 1 - Director → ME
  • 5
    SKANSKA CONSTRUCTION GROUP LIMITED - 2004-07-28
    KVAERNER CONSTRUCTION LIMITED - 1997-01-02
    CEMENTATION CIVIL AND SPECIALIST HOLDINGS LIMITED - 1986-10-06
    KVAERNER CONSTRUCTION GROUP LIMITED - 2000-11-03
    TRAFALGAR HOUSE CONSTRUCTION LIMITED - 1996-07-19
    CEMENTATION SPECIALISTS HOLDINGS LIMITED - 1984-01-03
    TRAFALGAR HOUSE CONSTRUCTION HOLDINGS LIMITED - 1991-11-07
    TRAFALGAR HOUSE BUILDING AND CIVIL ENGINEERING HOLDINGS LIMITED - 1990-09-28
    icon of address 1 Hercules Way, Leavesden, Watford, United Kingdom
    Active Corporate (9 parents, 17 offsprings)
    Officer
    icon of calendar 2008-07-24 ~ 2009-10-01
    IIF 3 - Director → ME

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