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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

Claassen, Bjorn

    Related profiles found in government register
  • Claassen, Bjorn
    German chief marketing officer born in April 1962

    Registered addresses and corresponding companies
    • Winkel 4, Burgwedel, 30938, Germany

      IIF 1
  • Claassen, Bjorn
    German company director born in April 1962

    Registered addresses and corresponding companies
    • Winkel 4, Burgwedel 30938, Germany

      IIF 2
child relation
Offspring entities and appointments 2
  • 1
    COGENT COMMUNICATIONS UK LTD - now
    LAMBDANET COMMUNICATIONS (UK) LIMITED
    - 2004-07-26 04014628
    FIRSTMARK CARRIER SERVICES (UK) LIMITED - 2001-06-18
    5th Floor Halo, Counterslip, Bristol, United Kingdom
    Active Corporate (16 parents)
    Officer
    2001-12-13 ~ 2002-08-31
    IIF 2 - Director → ME
  • 2
    THE EUROPEAN COMPETITIVE TELECOMMUNICATIONS ASSOCIATION
    03537486
    C/o Mazars Llp, Tower Bridge House, St Katharines Way, London
    Dissolved Corporate (78 parents)
    Officer
    2003-01-30 ~ 2004-01-08
    IIF 1 - Director → ME

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