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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 Gertjan Koomen

    Related profiles found in government register
  • Mr Gertjan Koomen
    Dutch born in April 1963

    Resident in England

    Registered addresses and corresponding companies
    • 1, Knightsbridge Green, London, SW1X 7QA, England

      IIF 1 IIF 2
  • Koomen, Gertjan
    Dutch cio and managing partner born in April 1963

    Resident in England

    Registered addresses and corresponding companies
    • 15, Wycombe Square, London, W8 7JD

      IIF 3
  • Koomen, Gertjan
    Dutch director born in April 1963

    Resident in England

    Registered addresses and corresponding companies
    • 15, Wycombe Square, London, W8 7JD

      IIF 4
  • Koomen, Gertjan
    born in April 1963

    Resident in England

    Registered addresses and corresponding companies
    • 1, Knightsbridge Green, London, SW1X 7QA, England

      IIF 5
child relation
Offspring entities and appointments 3
  • 1
    ASTARIS CAPITAL MANAGEMENT LLP
    - now OC339176 06663226... (more)
    SOTHIC CAPITAL MANAGEMENT LLP
    - 2019-11-14 OC339176 06663226
    3 Tilney Street, Fifth Floor, London, England
    Active Corporate (11 parents)
    Officer
    2009-01-20 ~ 2020-10-16
    IIF 5 - LLP Designated Member → ME
    Person with significant control
    2016-08-05 ~ 2020-10-16
    IIF 1 - Ownership of voting rights - More than 50% but less than 75% OE
  • 2
    ASTARIS CAPITAL MGMT (UK) LTD
    - now 06663226 OC339176
    ASTARIS CAPITAL MANAGEMENT (UK) LTD
    - 2019-11-13 06663226 OC339176
    SOTHIC CAPITAL MANAGEMENT (UK) LTD
    - 2019-11-01 06663226 OC339176
    3 Tilney Street, Fifth Floor, London, England
    Active Corporate (8 parents, 1 offspring)
    Officer
    2009-01-21 ~ 2020-10-16
    IIF 3 - Director → ME
    Person with significant control
    2016-08-04 ~ 2020-10-16
    IIF 2 - Ownership of voting rights - More than 50% but less than 75% OE
  • 3
    TERMINUS 1 LIMITED - now
    THE POLESTAR COMPANY LIMITED
    - 2011-05-17 FC027302
    PAPER ACQUISITIONS LIMITED - 2007-02-14
    Walker House, 87 Mary Street, George Town, Grand Cayman Ky19002, Cayman Islands
    Converted / Closed Corporate (15 parents)
    Officer
    2007-12-10 ~ 2008-05-22
    IIF 4 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.