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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

Knudson, Thomas Clifford

    Related profiles found in government register
  • Knudson, Thomas Clifford
    U S Citizen born in April 1946

    Registered addresses and corresponding companies
    • 6 St Marys Place, Kensington Green Marloes Road, London, W8 5UE

      IIF 1
  • Knudson, Thomas Clifford
    U S Citizen business executive born in April 1946

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 13
  • 1
    BATAVIA OIL RANG DONG LTD - now
    PERENCO RANG DONG LIMITED - 2023-06-09
    CONOCOPHILLIPS (U.K.) GAMA LIMITED - 2013-02-22
    CONOCO (U.K.) GAMA LIMITED
    - 2002-11-21 03716310
    LIQUENT LIMITED
    - 1999-03-17 03716310
    4-12 Regent Street, Rex House, 4th Floor, London, England
    Active Corporate (5 parents)
    Officer
    1999-03-10 ~ 2000-07-01
    IIF 11 - Director → ME
  • 2
    BUSINESS COUNCIL FOR SUSTAINABLE DEVELOPMENT-UNITED KINGDOM - now
    THE BUSINESS COUNCIL FOR SUSTAINABLE DEVELOPMENT NORTH SEA REGION
    - 2002-12-09 03728262
    The Lodge Castle Bromwich Hall Chester Road, Castle Bromwich, Birmingham, West Midlands
    Active Corporate (2 parents)
    Equity (Company account)
    23,455 GBP2024-03-31
    Officer
    1999-03-09 ~ 2000-11-29
    IIF 5 - Director → ME
  • 3
    CHRYSAOR (U.K.) ALPHA LIMITED - now
    CONOCOPHILLIPS (U.K.) ALPHA LIMITED - 2019-10-01
    CONOCO (U.K) ALPHA LIMITED
    - 2002-11-21 02374592
    CANADIAN PETROLEUM UK LIMITED
    - 1999-01-12 02374592
    CANADIANOXY NORTH SEA PETROLEUM LIMITED - 1995-12-18
    151 Buckingham Palace Road, London, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    1999-01-07 ~ 2000-07-01
    IIF 6 - Director → ME
  • 4
    CHRYSAOR (U.K.) BETA LIMITED - now 01775651, 02369861, 07872436
    CONOCOPHILLIPS (U.K.) BETA LIMITED - 2019-10-01 01491002, 01775651, 02369861... (more)
    CONOCO (U.K.) BETA LIMITED
    - 2002-11-21 02316577 01775651, 02369861, 03716311
    CANADIAN PETROLEUM ENERGY UK LIMITED
    - 1999-01-12 02316577
    WASCANA RESOURCES LTD. - 1998-07-27
    151 Buckingham Palace Road, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    1999-01-07 ~ 2000-07-01
    IIF 2 - Director → ME
  • 5
    CHRYSAOR DEVELOPMENTS LIMITED - now
    CONOCOPHILLIPS DEVELOPMENTS LIMITED - 2019-10-01
    CONOCO DEVELOPMENTS LIMITED
    - 2002-11-21 02180666
    BLASTFURY LIMITED - 1987-12-03
    151 Buckingham Palace Road, London, England
    Active Corporate (5 parents)
    Officer
    1997-06-01 ~ 2000-07-01
    IIF 12 - Director → ME
  • 6
    CHRYSAOR PETROLEUM LIMITED - now
    CONOCOPHILLIPS PETROLEUM LIMITED - 2019-10-01 00792712
    CONOCO PETROLEUM LIMITED
    - 2002-11-21 01247477
    CONOCO PETROLEUM (ALBA) LIMITED - 1992-11-26
    CLYDE PETROLEUM (ALBA) LIMITED - 1991-03-04
    D S M HYDROCARBONS (UK) LIMITED - 1989-09-28
    151 Buckingham Palace Road, London, England
    Active Corporate (4 parents)
    Officer
    1997-06-01 ~ 2000-07-01
    IIF 8 - Director → ME
  • 7
    CHRYSAOR PRODUCTION (U.K.) LIMITED - now
    CONOCOPHILLIPS (U.K.) LIMITED - 2019-10-01
    CONOCO (U.K.) LIMITED
    - 2002-11-21 00524868
    CONTINENTAL OIL HOLDINGS LIMITED - 1980-12-31
    151 Buckingham Palace Road, London, England
    Active Corporate (5 parents, 10 offsprings)
    Officer
    1997-06-01 ~ 2000-07-01
    IIF 9 - Director → ME
  • 8
    CHRYSAOR PRODUCTION HOLDINGS LIMITED - now
    CONOCOPHILLIPS HOLDINGS LIMITED - 2019-10-01 11712725
    CUKL HOLDINGS LIMITED
    - 2002-11-21 03629601
    NEW CONOCO LIMITED
    - 1998-11-17 03629601
    151 Buckingham Palace Road, London, England
    Active Corporate (4 parents, 5 offsprings)
    Officer
    1998-10-29 ~ 2000-07-01
    IIF 10 - Director → ME
  • 9
    GRAMPIAN AVIATION FUELLING SERVICES LIMITED - now
    CONOCOPHILLIPS (U.K.) EPSILOM LIMITED - 2004-03-17
    CONOCO (U.K.) EPSILOM LIMITED
    - 2002-11-21 03716230
    CARMADE LIMITED
    - 1999-03-17 03716230
    C/o Bdo Llp, 55 Baker Street, London
    Dissolved Corporate (3 parents)
    Officer
    1999-03-10 ~ 2000-07-01
    IIF 7 - Director → ME
  • 10
    INTERNATIONAL ASSOCIATION OF OIL & GAS PRODUCERS
    - now 01832064
    OIL INDUSTRY INTERNATIONAL EXPLORATION AND PRODUCTION FORUM (THE)
    - 1999-06-24 01832064
    City Tower, 40 Basinghall Street, London
    Active Corporate (12 parents, 1 offspring)
    Equity (Company account)
    6,944,370 GBP2023-12-31
    Officer
    1999-04-29 ~ 2000-05-26
    IIF 1 - Director → ME
  • 11
    PHILLIPS 66 CS LIMITED - now
    CONOCOPHILLIPS CS LIMITED - 2012-07-02 00529086, 07835800
    CONOCOPHILLIPS COMMERCIAL STORAGE LIMITED - 2011-07-21
    CONOCOPHILLIPS EUROPEAN GAS AND POWER LIMITED - 2010-05-18
    CONOCO EUROPE GAS LIMITED
    - 2002-11-21 02809975
    ROLECHARM LIMITED - 1993-06-04
    7th Floor, 200-202 Aldersgate Street, London
    Dissolved Corporate (7 parents)
    Officer
    1997-06-01 ~ 2000-07-01
    IIF 13 - Director → ME
  • 12
    PHILLIPS 66 LIMITED - now
    CONOCOPHILLIPS LIMITED - 2012-07-02 02809975, 07835800
    CONOCO LIMITED
    - 2003-08-01 00529086 03004536
    7th Floor, 200-202 Aldersgate Street, London
    Active Corporate (11 parents, 18 offsprings)
    Officer
    1997-06-01 ~ 2000-07-01
    IIF 3 - Director → ME
  • 13
    VPI IMMINGHAM OPERATIONS LIMITED - now
    PHILLIPS 66 POWER OPERATIONS LIMITED - 2013-07-23
    CONOCOPHILLIPS POWER OPERATIONS LIMITED - 2012-07-02
    CONOCO POWER OPERATIONS LIMITED - 2002-11-21
    CONOCO (U.K.) DELTA LIMITED
    - 2001-08-01 03716311 01775651, 02316577, 02369861
    BISMANE LIMITED
    - 1999-03-17 03716311
    Vpi, 10th Floor, Nova South, 160 Victoria Street, London, England
    Active Corporate (4 parents, 3 offsprings)
    Officer
    1999-03-10 ~ 2000-07-01
    IIF 4 - Director → ME

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