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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

Stephenson, Mark Alastair

    Related profiles found in government register
  • Stephenson, Mark Alastair
    British exploitation manager born in November 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Stephenson, Mark Alastair
    British exploition manager born in November 1953

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 32 Ashgrove Road West, Aberdeen, AB16 5DY

      IIF 4
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 4
  • 1
    ROCKROSE UKCS 12 LIMITED - 2021-01-26
    MARATHON OIL NORTH SEA (G.B.) LIMITED - 2019-07-02
    PAN OCEAN OIL (U.K.) LIMITED - 1979-12-31
    icon of address 152-160 Kemp House City Road, London, England
    Dissolved Corporate (1 parent)
    Equity (Company account)
    Retained earnings (accumulated losses)
    -100 GBP2020-12-31
    Officer
    icon of calendar 2003-11-01 ~ 2010-04-09
    IIF 3 - Director → ME
  • 2
    HUSKY OIL (UK) LIMITED - 1984-10-29
    icon of address Capital House, 25 Chapel Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2003-11-01 ~ 2010-04-09
    IIF 2 - Director → ME
  • 3
    MARATHON PETROLEUM NORTH SEA (G.B.) LIMITED - 2011-06-29
    icon of address Capital House, 25 Chapel Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 2003-11-01 ~ 2010-04-09
    IIF 1 - Director → ME
  • 4
    MARATHON PETROLEUM U.K. LLC - 2011-07-08
    MARATHON PETROLEUM U.K., LTD - 2011-05-17
    icon of address No 100 West Tenth Street, City Of Wilmington, County Of New Castle, Delaware Usa, United States
    Converted / Closed Corporate (4 parents)
    Officer
    icon of calendar 2003-09-18 ~ 2010-04-09
    IIF 4 - Director → ME

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.