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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

Thomas, Leslie James

child relation
Offspring entities and appointments 54
  • 1
    AVINGTRANS PLC
    - now 01968354
    FRANK USHER HOLDINGS PLC - 2000-11-24
    AVINGTRANS LIMITED - 1986-03-04
    Active Corporate (24 parents, 7 offsprings)
    Officer
    2014-09-01 ~ now
    IIF 46 - Director → ME
  • 2
    BRAE GAS MARKETING COMPANY LIMITED
    - now 00721973
    MARATHON PETROLEUM (GB) LIMITED - 1992-02-14
    Dissolved Corporate (35 parents)
    Officer
    2000-12-01 ~ 2004-02-13
    IIF 23 - Director → ME
  • 3
    COGENT SSC LIMITED
    - now SC129351
    OFFSHORE PETROLEUM INDUSTRY TRAINING ORGANISATION
    - 2002-03-18 SC129351
    OFFSHORE PETROLEUM INDUSTRY TRAINING ORGANISATION LIMITED - 1993-09-17
    Active Corporate (116 parents)
    Officer
    2007-01-01 ~ 2009-03-10
    IIF 19 - Director → ME
    1999-10-25 ~ 2004-04-28
    IIF 7 - Director → ME
  • 4
    DENHOLM ENERGY SERVICES LIMITED
    - now 09186034 12474937
    DENHOLM OILFIELD SERVICES LIMITED - 2020-05-26
    DENHOLM OILFIELD SERVICES GROUP LIMITED - 2015-05-06
    Active Corporate (19 parents, 15 offsprings)
    Officer
    2023-02-10 ~ now
    IIF 51 - Director → ME
  • 5
    FUJAIRAH OIL AND GAS UK 11 LIMITED - now
    ROCKROSE UKCS 11 LIMITED - 2021-01-26
    MARATHON INTERNATIONAL OIL (G.B.) LIMITED - 2019-07-02
    MARATHON INTERNATIONAL PETROLEUM(G.B.)LIMITED
    - 2011-07-08 00638574 03290761... (more)
    Liquidation Corporate (55 parents)
    Officer
    2000-02-22 ~ 2004-02-13
    IIF 21 - Director → ME
  • 6
    FUJAIRAH OIL AND GAS UK 12 LIMITED - now
    ROCKROSE UKCS 12 LIMITED - 2021-01-26
    MARATHON OIL NORTH SEA (G.B.) LIMITED
    - 2019-07-02 00981126
    PAN OCEAN OIL (U.K.) LIMITED - 1979-12-31
    Dissolved Corporate (44 parents)
    Officer
    2000-12-01 ~ 2004-02-13
    IIF 12 - Director → ME
  • 7
    FUJAIRAH OIL AND GAS UK LLC - now
    ROCKROSE UKCS8 LLC - 2021-03-03
    MARATHON OIL U.K. LLC - 2019-07-04
    MARATHON OIL U.K., LTD.
    - 2011-05-17 FC009587 SF000275
    Converted / Closed Corporate (51 parents, 1 offspring)
    Officer
    1996-06-01 ~ 2004-02-13
    IIF 17 - Director → ME
  • 8
    HARWOOD PRODUCTION SERVICES LIMITED
    - now SC299838
    JWG SHELF 28 LIMITED
    - 2006-04-18 SC299838 SC278252... (more)
    Dissolved Corporate (13 parents)
    Officer
    2006-04-11 ~ 2007-06-01
    IIF 6 - Director → ME
  • 9
    HERIOT RESOURCES LIMITED
    SC429817
    Active Corporate (1 parent)
    Officer
    2012-08-06 ~ now
    IIF 47 - Director → ME
    Person with significant control
    2016-08-06 ~ now
    IIF 56 - Ownership of shares – 75% or more → OE
  • 10
    ITHACA ALPHA (N.I.) LIMITED
    - now NI073431
    VALIANT ALPHA (N.I.) LIMITED - 2013-04-23
    ANTRIM CAUSEWAY (N.I) LIMITED - 2011-10-12
    L&B (NO205) LIMITED - 2010-02-01
    Active Corporate (22 parents)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 35 - Director → ME
  • 11
    ITHACA CAUSEWAY LIMITED
    - now 06167799
    VALIANT CAUSEWAY LIMITED - 2013-04-23
    CONTINENTAL SHELF 417 LIMITED - 2007-06-04
    Active Corporate (23 parents)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 45 - Director → ME
  • 12
    ITHACA DELTA LIMITED
    - now 07541789
    VALIANT DELTA LIMITED - 2013-04-23
    CONTINENTAL SHELF 539 LIMITED - 2011-05-27
    Dissolved Corporate (11 parents)
    Officer
    2013-10-01 ~ dissolved
    IIF 37 - Director → ME
  • 13
    ITHACA DORSET LIMITED
    - now 01135213
    SUMMIT PETROLEUM DORSET LIMITED
    - 2014-08-11 01135213
    ORANJE-NASSAU EXPLORATION LIMITED - 2009-06-24
    ONEPM EXPLORATION LIMITED - 2001-07-10
    PURBECK EXPLORATION LIMITED - 1997-08-15
    KELT EXPLORATION LIMITED - 1991-08-02
    CARLESS EXPLORATION LIMITED - 1989-04-03
    Active Corporate (34 parents)
    Officer
    2014-07-31 ~ 2020-08-24
    IIF 32 - Director → ME
  • 14
    ITHACA ENERGY (NORTH SEA) PLC
    SC595124
    Active Corporate (13 parents)
    Officer
    2018-04-23 ~ 2020-08-24
    IIF 43 - Director → ME
  • 15
    ITHACA ENERGY (UK) LIMITED
    - now SC272009
    LEDGE 816 LIMITED - 2004-09-23
    Active Corporate (27 parents, 10 offsprings)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 38 - Director → ME
  • 16
    ITHACA ENERGY DEVELOPMENTS UK LIMITED
    - now 07105041
    PETROFAC ENERGY DEVELOPMENTS UK LIMITED
    - 2018-12-18 07105041 03351775
    Active Corporate (19 parents)
    Officer
    2018-12-11 ~ 2020-08-24
    IIF 28 - Director → ME
  • 17
    ITHACA ENERGY HOLDINGS (UK) LIMITED
    - now SC437615
    ITHACA ENERGY (HOLDINGS) LIMITED - 2013-02-21
    PACIFIC SHELF 1729 LIMITED - 2013-02-20
    Active Corporate (17 parents, 1 offspring)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 34 - Director → ME
  • 18
    ITHACA ENERGY PLC - now
    ITHACA ENERGY LIMITED - 2022-11-01
    DELEK NORTH SEA LIMITED
    - 2022-10-07 12263719
    Active Corporate (25 parents, 6 offsprings)
    Officer
    2019-10-15 ~ 2020-08-24
    IIF 40 - Director → ME
  • 19
    ITHACA EPSILON LIMITED
    - now 05979869
    VALIANT EPSILON LIMITED - 2013-04-23
    SAGEX PETROLEUM UK LIMITED - 2011-08-22
    GEYSIRPETROLEUM UK LIMITED - 2008-04-03
    Active Corporate (22 parents)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 41 - Director → ME
  • 20
    ITHACA EXPLORATION LIMITED
    - now 05914627
    VALIANT EXPLORATION LIMITED - 2013-04-23
    Active Corporate (24 parents)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 33 - Director → ME
  • 21
    ITHACA GAMMA LIMITED
    - now 05929104
    VALIANT GAMMA LIMITED - 2013-04-23
    NOR ENERGY (UK) LIMITED - 2009-06-04
    Active Corporate (22 parents)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 44 - Director → ME
  • 22
    ITHACA GSA LIMITED
    - now FC033620
    PETROFAC GSA LIMITED
    - 2019-01-27 FC033620
    ITHACA GSA LIMITED
    - 2019-01-27 FC033620
    PETROFAC GSA LIMITED
    - 2019-01-27 FC033620
    ITHICA GSA LIMITED
    - 2019-01-27 FC033620
    Active Corporate (12 parents)
    Officer
    2018-12-11 ~ 2020-08-24
    IIF 27 - Director → ME
  • 23
    ITHACA MINERALS (NORTH SEA) LIMITED
    - now SC274666 SC238015
    CHALLENGER MINERALS (NORTH SEA) LIMITED - 2011-10-24
    HARPDALE LIMITED - 2005-02-11
    Active Corporate (23 parents)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 29 - Director → ME
  • 24
    ITHACA NORTH SEA LIMITED
    - now 02548026
    VALIANT NORTH SEA LIMITED - 2013-04-23
    DON DEVELOPMENT COMPANY LIMITED. - 2007-02-19
    POPPYHURST LIMITED - 2002-11-05
    Dissolved Corporate (41 parents)
    Officer
    2013-10-01 ~ dissolved
    IIF 36 - Director → ME
  • 25
    ITHACA OIL AND GAS LIMITED
    - now 01546623
    CHEVRON NORTH SEA LIMITED
    - 2019-11-08 01546623 02285518
    CHEVRONTEXACO NORTH SEA LIMITED - 2005-08-01
    CHEVRON U.K. LIMITED - 2005-01-04
    GULF OIL (U.K.) LIMITED - 1988-06-15
    Active Corporate (72 parents, 4 offsprings)
    Officer
    2019-11-08 ~ 2020-08-24
    IIF 49 - Director → ME
  • 26
    ITHACA PETROLEUM LIMITED
    - now 05223667
    VALIANT PETROLEUM LIMITED - 2013-04-23
    VALIANT PETROLEUM LIMITED - 2013-04-23
    Active Corporate (30 parents, 6 offsprings)
    Officer
    2013-10-01 ~ 2020-08-24
    IIF 31 - Director → ME
  • 27
    ITHACA PIPELINE LIMITED
    - now 02607087
    SUMMIT PETROLEUM PIPELINE LIMITED
    - 2014-08-11 02607087
    ORANJE-NASSAU PIPELINE COMPANY LIMITED - 2009-06-24
    ONEPM PIPELINE COMPANY LIMITED - 2001-07-10
    PURBECK PIPELINE COMPANY LIMITED - 1997-08-14
    SIMPLEJUST LIMITED - 1991-07-22
    Dissolved Corporate (29 parents)
    Officer
    2014-07-31 ~ dissolved
    IIF 39 - Director → ME
  • 28
    ITHACA SP UK LIMITED
    - now 02586927
    SUMMIT PETROLEUM UK LIMITED
    - 2014-08-11 02586927 01275469
    ORANJE-NASSAU PETROLEUM LIMITED - 2009-06-24
    ONEPM PETROLEUM LIMITED - 2001-07-10
    PURBECK PETROLEUM LIMITED - 1997-08-14
    OPENEXIT LIMITED - 1991-07-04
    Active Corporate (35 parents, 2 offsprings)
    Officer
    2014-07-31 ~ 2020-08-24
    IIF 42 - Director → ME
  • 29
    ITHACA SPL LIMITED
    - now 01275469
    SUMMIT PETROLEUM LIMITED
    - 2014-08-11 01275469 02586927
    ORANJE-NASSAU (U.K.) LIMITED - 2009-06-24
    ONEPM (U.K.) LIMITED - 2001-07-10
    ORANJE-NASSAU (U.K.) LIMITED - 1995-08-23
    MANDYKE LIMITED - 1976-12-31
    Dissolved Corporate (34 parents, 1 offspring)
    Officer
    2014-07-31 ~ 2020-08-24
    IIF 30 - Director → ME
  • 30
    JERSEY OIL AND GAS PLC
    - now 07503957 09686581
    TRAP OIL GROUP PLC - 2015-08-14
    Active Corporate (19 parents, 2 offsprings)
    Officer
    2021-04-13 ~ now
    IIF 50 - Director → ME
  • 31
    JOHN WOOD GROUP LIMITED - now
    JOHN WOOD GROUP PLC - 2026-03-19
    JOHN WOOD GROUP P.L.C.
    - 2019-09-11 SC036219
    Active Corporate (67 parents, 33 offsprings)
    Officer
    2004-05-19 ~ 2012-06-30
    IIF 3 - Director → ME
  • 32
    MARATHON OIL EXPLORATION (U.K.) LIMITED
    - now 01007674
    HUSKY OIL (UK) LIMITED - 1984-10-29
    Dissolved Corporate (29 parents)
    Officer
    2000-12-01 ~ 2004-02-13
    IIF 22 - Director → ME
  • 33
    MARATHON OIL UK LIMITED
    SF000275 FC009587
    Converted / Closed Corporate (32 parents)
    Officer
    1996-06-01 ~ 2004-02-13
    IIF 18 - Director → ME
  • 34
    MARATHON UPSTREAM NORTH SEA (G.B.) LIMITED - now
    MARATHON PETROLEUM NORTH SEA (G.B.) LIMITED
    - 2011-06-29 00812455
    Dissolved Corporate (28 parents)
    Officer
    2000-12-01 ~ 2004-02-13
    IIF 16 - Director → ME
  • 35
    MARATHON UPSTREAM U.K. LLC - now
    MARATHON PETROLEUM U.K. LLC - 2011-07-08
    MARATHON PETROLEUM U.K., LTD
    - 2011-05-17 FC005250
    Converted / Closed Corporate (45 parents)
    Officer
    1998-07-20 ~ 2004-02-13
    IIF 20 - Director → ME
  • 36
    MILTIADES LIMITED
    - now 03217205
    PRECIS (1443) LIMITED - 1996-08-13
    Dissolved Corporate (25 parents)
    Officer
    2003-06-27 ~ 2004-02-13
    IIF 55 - Director → ME
  • 37
    NEO NEXT + ENERGY RESOURCES UK LIMITED - now
    NEO ENERGY RESOURCES UK LIMITED - 2026-04-02
    REPSOL RESOURCES UK LIMITED
    - 2025-08-04 00825828
    REPSOL SINOPEC RESOURCES UK LIMITED
    - 2023-11-08 00825828
    TALISMAN SINOPEC ENERGY UK LIMITED - 2016-07-04
    TALISMAN ENERGY (UK) LIMITED - 2012-12-17
    BOW VALLEY PETROLEUM (U.K.) LIMITED - 1995-01-13
    BOW VALLEY EXPLORATION (U.K.) LIMITED - 1989-09-01
    Active Corporate (76 parents, 11 offsprings)
    Officer
    2020-12-11 ~ 2024-12-11
    IIF 1 - Director → ME
  • 38
    NORTHERN INTEGRATED SERVICES LIMITED
    SC195682
    Dissolved Corporate (32 parents, 1 offspring)
    Officer
    2004-05-19 ~ 2005-09-17
    IIF 8 - Director → ME
  • 39
    OFFSHORE TRAINING FOUNDATION - now
    OFFSHORE TRAINING SERVICES LIMITED
    - 2005-04-04 SC229139
    Active Corporate (58 parents, 2 offsprings)
    Officer
    2002-03-18 ~ 2004-07-01
    IIF 11 - Director → ME
  • 40
    OPITO LIMITED - now
    COGENT SECTOR SERVICES LIMITED
    - 2007-11-29 SC152175
    OPITO LIMITED
    - 2003-03-03 SC152175
    Active Corporate (113 parents, 2 offsprings)
    Officer
    1999-10-25 ~ 2004-07-31
    IIF 10 - Director → ME
  • 41
    PALOAK LIMITED
    SC069075
    Active Corporate (202 parents)
    Officer
    1997-02-21 ~ 2004-02-13
    IIF 14 - Director → ME
  • 42
    POD SUPPORTS LIMITED
    SC643628
    Active Corporate (3 parents)
    Officer
    2019-10-04 ~ now
    IIF 54 - Director → ME
    Person with significant control
    2019-10-04 ~ now
    IIF 57 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 57 - Ownership of shares – More than 25% but not more than 50% → OE
  • 43
    RELAY INTERNATIONAL GROUP LIMITED
    14764556
    Active Corporate (9 parents, 3 offsprings)
    Officer
    2026-01-27 ~ now
    IIF 52 - Director → ME
  • 44
    ROCKROSE UKCS 10 LIMITED - now
    MARATHON OIL WEST OF SHETLANDS LIMITED - 2019-07-02
    MARATHON PETROLEUM WEST OF SHETLANDS LIMITED
    - 2011-06-29 04105025
    Active Corporate (32 parents)
    Officer
    2000-11-06 ~ 2004-02-13
    IIF 2 - Director → ME
  • 45
    ROCKROSE UKCS 9 LIMITED - now
    MARATHON SERVICE (G.B.) LIMITED
    - 2019-07-02 01293052
    Active Corporate (52 parents)
    Officer
    2000-12-01 ~ 2004-02-13
    IIF 9 - Director → ME
  • 46
    SIGMA 3 (NORTH SEA) LIMITED
    - now SC224630
    OFFSHORE INTEGRATED SERVICES LIMITED - 2002-02-06
    Dissolved Corporate (35 parents)
    Officer
    2004-05-19 ~ 2005-01-27
    IIF 5 - Director → ME
  • 47
    THE INDUSTRY TECHNOLOGY FACILITATOR
    - now SC171891
    THE CENTRE FOR MARINE AND PETROLEUM TECHNOLOGY
    - 1999-10-15 SC171891
    THE CENTRE FOR MARINE AND PETROLEUM TECHNOLOGY LIMITED - 1997-04-15
    Dissolved Corporate (72 parents)
    Officer
    1999-08-24 ~ 2002-04-16
    IIF 13 - Director → ME
  • 48
    THE SCOTTISH ENERGY FORUM
    - now SC414903
    THE SCOTTISH OIL CLUB
    - 2019-11-05 SC414903
    Active Corporate (43 parents)
    Officer
    2012-11-01 ~ 2022-12-12
    IIF 48 - Director → ME
  • 49
    THE UK OFFSHORE ENERGIES ASSOCIATION LIMITED - now
    THE UK OIL AND GAS INDUSTRY ASSOCIATION LIMITED
    - 2022-01-13 01119804
    THE UNITED KINGDOM OFFSHORE OIL AND GAS INDUSTRY ASSOCIATION LIMITED - 2012-12-24
    U.K. OFFSHORE OPERATORS ASSOCIATION LIMITED - 2007-04-24
    Active Corporate (220 parents, 4 offsprings)
    Officer
    2020-02-05 ~ 2020-09-01
    IIF 53 - Director → ME
  • 50
    WOOD GROUP ENGINEERING & OPERATIONS SUPPORT LIMITED
    - now SC159149
    WOOD GROUP ENGINEERING AND LOGISTICS LIMITED - 1997-04-18
    TAYBAY LIMITED - 1995-11-22
    Active Corporate (25 parents, 20 offsprings)
    Officer
    2004-05-19 ~ 2011-12-30
    IIF 26 - Director → ME
  • 51
    WOOD GROUP ENGINEERING (NORTH SEA) LIMITED
    - now SC030715
    WOOD GROUP ENGINEERING LIMITED - 2001-03-13
    Active Corporate (49 parents, 2 offsprings)
    Officer
    2004-05-19 ~ 2009-04-14
    IIF 24 - Director → ME
  • 52
    WOOD GROUP ENGINEERING INTERNATIONAL LIMITED
    - now SC247871
    JWG SHELF 19 LIMITED - 2003-11-07
    Dissolved Corporate (16 parents)
    Officer
    2004-05-19 ~ 2011-12-30
    IIF 15 - Director → ME
  • 53
    WOOD GROUP HOLDINGS (INTERNATIONAL) LIMITED
    - now SC169712
    RESERVOIR TO REFINERY LIMITED - 2002-06-11
    Active Corporate (25 parents, 9 offsprings)
    Officer
    2004-05-19 ~ 2012-06-30
    IIF 25 - Director → ME
  • 54
    WOOD GROUP MANAGEMENT SERVICES LIMITED
    - now SC178510
    JWG SHELF 3 LIMITED - 1999-07-14
    Dissolved Corporate (23 parents)
    Officer
    2004-05-19 ~ 2012-06-30
    IIF 4 - Director → ME

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.