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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

Van Oosterom, William James

    Related profiles found in government register
  • Van Oosterom, William James
    British consultant born in February 1957

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 34 Croftdown Road, Dartmouth Park, London, NW5 1EN

      IIF 1
  • Van Oosterom, William James
    British management consultant born in February 1957

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 601 London Road, Westcliff On Sea, Essex, SS0 9PE

      IIF 2
    • icon of address 20-26, Brunswick Place, London, N1 6DZ, United Kingdom

      IIF 3 IIF 4
    • icon of address 34 Croftdown Road, Dartmouth Park, London, NW5 1EN

      IIF 5
  • Van Oosterom, William James
    British mgt consultant born in February 1957

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 34 Croftdown Road, Dartmouth Park, London, NW5 1EN

      IIF 6
  • Van Oosterom, William James
    British consultant

    Registered addresses and corresponding companies
    • icon of address 34 Croftdown Road, Dartmouth Park, London, NW5 1EN

      IIF 7
child relation
Offspring entities and appointments
Active 1
  • 1
    SHOWGROUND LIMITED - 1997-08-04
    CARTEZIA LIMITED - 2006-06-29
    icon of address 1 Market Hill, Royston, Hertfordshire
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 1999-11-01 ~ dissolved
    IIF 1 - Director → ME
Ceased 6
  • 1
    PHARMA RESEARCH DIRECT LTD - 2000-09-22
    icon of address Business Boffins Ltd, Sanderum House, Oakley Road, Chinnor, Oxfordshire
    Dissolved Corporate (1 parent)
    Total Assets Less Current Liabilities (Company account)
    93,105 GBP2015-12-31
    Officer
    icon of calendar 2003-11-20 ~ 2006-01-23
    IIF 6 - Director → ME
  • 2
    SHOWGROUND LIMITED - 1997-08-04
    CARTEZIA LIMITED - 2006-06-29
    icon of address 1 Market Hill, Royston, Hertfordshire
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2001-06-01 ~ 2001-09-30
    IIF 7 - Secretary → ME
  • 3
    EQUALTABLE ENTERPRISES LIMITED - 1994-02-08
    CATALYST DEVELOPMENT LIMITED - 2019-09-04
    SIONIC GLOBAL (CDL) LIMITED - 2023-11-14
    icon of address 5th Floor 20 Gracechurch Street, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    icon of calendar 1994-01-25 ~ 1995-09-30
    IIF 5 - Director → ME
  • 4
    icon of address 601 London Road, Westcliff On Sea, Essex
    Dissolved Corporate (3 parents)
    Equity (Company account)
    -4,550 GBP2020-08-31
    Officer
    icon of calendar 2010-10-12 ~ 2016-08-31
    IIF 4 - Director → ME
  • 5
    WHETSTONE SERVICES LIMITED - 2012-06-27
    icon of address 601 London Road, Westcliff On Sea, Essex
    Dissolved Corporate (4 parents)
    Equity (Company account)
    100 GBP2021-06-30
    Officer
    icon of calendar 2010-10-12 ~ 2016-08-31
    IIF 3 - Director → ME
  • 6
    icon of address 601 London Road, Westcliff On Sea, Essex
    Dissolved Corporate (2 parents, 2 offsprings)
    Equity (Company account)
    -160 GBP2021-06-30
    Officer
    icon of calendar 2010-09-01 ~ 2016-08-31
    IIF 2 - Director → ME

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