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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

Constant-glemas, Simon Alan

  • Constant-glemas, Simon Alan
    British oil company executive born in April 1969

    Resident in United Kingdom

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 19
  • 1
    BG INTERNATIONAL LIMITED
    - now 00902239
    BG EXPLORATION AND PRODUCTION LIMITED - 1999-07-13
    BRITISH GAS EXPLORATION AND PRODUCTION LIMITED - 1997-02-17
    GAS COUNCIL (EXPLORATION) LIMITED - 1991-05-01
    Shell Centre, London, United Kingdom
    Active Corporate (90 parents, 21 offsprings)
    Officer
    2016-02-15 ~ 2019-03-12
    IIF 12 - Director → ME
  • 2
    ENTERPRISE OIL LIMITED
    - now 01682048
    ENTERPRISE OIL PLC - 2003-04-14
    BRITISH GAS NORTH SEA OIL HOLDINGS LIMITED - 1983-09-01
    Shell Centre, London, England
    Active Corporate (76 parents, 7 offsprings)
    Officer
    2010-02-01 ~ 2012-06-22
    IIF 16 - Director → ME
  • 3
    ENTERPRISE OIL OPERATIONS LIMITED
    - now 03324639
    ALLIEDCHASE LIMITED - 2001-06-14
    15 Canada Square, London
    Dissolved Corporate (35 parents)
    Officer
    2008-02-18 ~ 2010-04-11
    IIF 2 - Director → ME
  • 4
    SHELL CORPORATE DIRECTOR LIMITED
    03838877
    Shell Centre, York Road, London
    Active Corporate (33 parents, 143 offsprings)
    Officer
    2010-09-30 ~ 2012-06-20
    IIF 10 - Director → ME
  • 5
    SHELL ENERGY INVESTMENTS LIMITED
    04609842
    Shell Centre, London
    Active Corporate (23 parents)
    Officer
    2008-12-11 ~ 2010-04-19
    IIF 5 - Director → ME
  • 6
    SHELL EP OFFSHORE VENTURES LIMITED
    - now 01682052
    ENTERPRISE OIL EXPLORATION LIMITED - 2005-12-12
    ENTERPRISE OIL (FULMAR) LIMITED - 1984-12-12
    BRITISH GAS (FULMAR) LIMITED - 1983-09-01
    Shell Centre, London
    Active Corporate (74 parents)
    Officer
    2010-02-01 ~ 2012-06-22
    IIF 15 - Director → ME
  • 7
    SHELL HOLDINGS (U.K.) LIMITED
    01485890
    Shell Centre, London
    Active Corporate (48 parents, 7 offsprings)
    Officer
    2010-02-01 ~ 2014-11-06
    IIF 18 - Director → ME
  • 8
    SHELL INTERNATIONAL INVESTMENTS LIMITED
    04798531
    15 Canada Square, London
    Dissolved Corporate (11 parents)
    Officer
    2008-11-05 ~ 2014-11-06
    IIF 8 - Director → ME
  • 9
    SHELL INTERNATIONAL LIMITED
    03075807
    Shell Centre, London
    Active Corporate (58 parents)
    Officer
    2010-04-07 ~ 2019-04-15
    IIF 19 - Director → ME
  • 10
    SHELL OVERSEAS HOLDINGS LIMITED
    00596107
    Shell Centre, London
    Active Corporate (58 parents, 21 offsprings)
    Officer
    2010-04-07 ~ 2014-11-06
    IIF 17 - Director → ME
  • 11
    SHELL PETROLEUM COMPANY LIMITED(THE)
    00077861
    Shell Centre, London
    Active Corporate (58 parents, 52 offsprings)
    Officer
    2010-04-07 ~ 2014-11-06
    IIF 13 - Director → ME
  • 12
    SHELL SAUDI VENTURES LIMITED
    04973913
    15 Canada Square, London
    Dissolved Corporate (15 parents)
    Officer
    2008-11-12 ~ 2015-03-12
    IIF 6 - Director → ME
  • 13
    SHELL TREASURY CENTRE LIMITED
    - now 03466994
    SHELL TREASURY CENTRE (EUROPE) LIMITED - 1998-07-31
    Shell Centre, London
    Active Corporate (37 parents)
    Officer
    2009-01-26 ~ 2014-11-06
    IIF 7 - Director → ME
  • 14
    SHELL TREASURY DOLLAR COMPANY LIMITED
    03469401
    Shell Centre, London
    Active Corporate (33 parents)
    Officer
    2009-01-26 ~ 2010-04-08
    IIF 3 - Director → ME
  • 15
    SHELL TREASURY EURO COMPANY LIMITED
    03469395
    30 Finsbury Square, London
    Dissolved Corporate (30 parents)
    Officer
    2009-01-26 ~ 2012-06-20
    IIF 4 - Director → ME
  • 16
    SHELL TREASURY UK LIMITED
    05819755
    Shell Centre, York Road, London
    Active Corporate (26 parents)
    Officer
    2009-01-26 ~ 2009-06-04
    IIF 9 - Director → ME
  • 17
    SHELL U.K. LIMITED
    00140141
    Shell Centre, London
    Active Corporate (92 parents, 25 offsprings)
    Officer
    2010-03-23 ~ 2014-11-06
    IIF 1 - Director → ME
  • 18
    THE SHELL CENTENARY SCHOLARSHIP FUND
    03608466
    30 Finsbury Square, London
    Dissolved Corporate (28 parents)
    Officer
    2011-01-19 ~ 2021-09-15
    IIF 11 - Director → ME
  • 19
    THE SHELL TRANSPORT AND TRADING COMPANY LIMITED
    - now 00054485
    SHELL TRANSPORT AND TRADING COMPANY PUBLIC LIMITED COMPANY(THE) - 2005-07-20
    Shell Centre, London
    Active Corporate (52 parents, 1 offspring)
    Officer
    2010-03-23 ~ 2014-11-06
    IIF 14 - Director → ME

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