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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

Boersma, Michael Adriaan Maria

    Related profiles found in government register
  • Boersma, Michael Adriaan Maria
    Dutch oil company exec born in April 1947

    Registered addresses and corresponding companies
    • Zwolsestraat 5b, Scheveningen, 2507 Tx, The Netherlands

      IIF 1 IIF 2
  • Boersma, Michael Adriaan Maria
    Dutch oil company executive born in April 1947

    Registered addresses and corresponding companies
    • Kucuk Bebek Caddesi, Bogazici Villalari 119/4 Bebek, Istanbul, 80810, Turkey

      IIF 3
    • Zwolsestraat 5b, Scheveningen, 2507 Tx, The Netherlands

      IIF 4
child relation
Offspring entities and appointments 4
  • 1
    AVANTI GAS LIMITED - now
    SHELL GAS LIMITED
    - 2011-10-28 00481121
    SGL LIMITED - 1995-12-31
    CRUSADER GAS LIMITED - 1989-03-07
    SHELL GASES LIMITED - 1986-06-13
    SHELL-MEX AND B.P.GASES LIMITED - 1976-12-31
    Ugi House Gisborne Close, Staveley, Chesterfield, England
    Active Corporate (68 parents, 6 offsprings)
    Officer
    1998-11-01 ~ 2000-05-01
    IIF 2 - Director → ME
  • 2
    SHELL COMPANY OF TÜRKIYE LIMITED - now
    SHELL COMPANY OF TURKEY LIMITED(THE)
    - 2023-01-19 00188307
    Shell Centre, London
    Active Corporate (52 parents)
    Officer
    1995-06-12 ~ 1997-11-12
    IIF 3 - Director → ME
  • 3
    SHELL INTERNATIONAL GAS LIMITED
    00959079
    Shell Centre, London
    Active Corporate (58 parents, 1 offspring)
    Officer
    2000-06-09 ~ 2003-01-01
    IIF 4 - Director → ME
  • 4
    SHELL RESEARCH LIMITED
    00539964
    Shell Centre, London
    Active Corporate (47 parents, 1 offspring)
    Officer
    2000-05-01 ~ 2002-12-31
    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.