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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

Heard, Graham Luxton

    Related profiles found in government register
  • Heard, Graham Luxton
    British born in June 1950

    Resident in England

    Registered addresses and corresponding companies

    • 87a, High Street, The Old Town, Hemel Hempstead, HP1 3AH, United Kingdom

      IIF 1

    • 3rd, Floor, 12 Gough Square, London, EC4A 3DW

      IIF 2

    • C/- Northern Petroleum, Martin House, 5 Martin Lane, London, EC4R 0DP, United Kingdom

      IIF 3

    • Martin House, 5 Martin Lane, London, EC4R 0DP

      IIF 4

    • Martin House, 5 Martin Lane, London, EC4R 0DP, United Kingdom

      IIF 5

    • Newton House, Motherby, Penrith, CA11 0RJ, United Kingdom

      IIF 6

    • Fisher House, 84 Fisherton Street, Salisbury, SP2 7QY, England

      IIF 7
  • Heard, Graham Luxton
    British director born in June 1950

    Resident in England

    Registered addresses and corresponding companies

    • 87a, High Street, The Old Town, Hemel Hempstead, Hertfordshire, HP1 3AH, England

      IIF 8

    • 19 Waterford Road, London, SW6 2DJ

      IIF 9
  • Heard, Graham Luxton
    British geologist born in June 1950

    Resident in England

    Registered addresses and corresponding companies
  • Heard, Graham Luxton
    British exploration manager born in June 1950

    Registered addresses and corresponding companies

    • 21 St Marys Court, Ottway Walk, Welwyn, Herts, AL6 9AU

      IIF 27
  • Heard, Graham Luxton
    British director born in September 1950

    Resident in United Kingdom

    Registered addresses and corresponding companies

    • 65, Gally Hill Road, Church Crookham, Fleet, GU52 6RU, United Kingdom

      IIF 28
  • Mr Graham Luxton Heard
    British born in June 1950

    Resident in England

    Registered addresses and corresponding companies

    • 65, Gally Hill Road, Church Crookham, Fleet, GU52 6RU, United Kingdom

      IIF 29

    • 87a, High Street, The Old Town, Hemel Hempstead, HP1 3AH, United Kingdom

      IIF 30

    • 87a, High Street, The Old Town, Hemel Hempstead, Hertfordshire, HP1 3AH, England

      IIF 31

    • Newton House, Motherby, Penrith, CA11 0RJ, United Kingdom

      IIF 32
child relation
Offspring entities and appointments
Active 10
  • 1
    C/- Northern Petroleum Martin House, 5 Martin Lane, London
    Dissolved Corporate (3 parents)
    Officer
    2003-01-23 ~ dissolved
    IIF 19 - Director → ME
  • 2
    87a High Street, The Old Town, Hemel Hempstead, Hertfordshire, England
    Dissolved Corporate (1 parent)
    Officer
    2021-10-04 ~ dissolved
    IIF 8 - Director → ME
    Person with significant control
    2021-10-04 ~ dissolved
    IIF 31 - Ownership of shares – 75% or more → OE
    IIF 31 - Right to appoint or remove directors → OE
    IIF 31 - Ownership of voting rights - 75% or more → OE
  • 3
    87a High Street, The Old Town, Hemel Hempstead, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    63,953 GBP2025-03-31
    Officer
    2017-03-08 ~ now
    IIF 1 - Director → ME
    Person with significant control
    2017-03-08 ~ now
    IIF 30 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 30 - Ownership of shares – More than 25% but not more than 50% → OE
  • 4
    Fisher House, 84 Fisherton Street, Salisbury, England
    Active Corporate (8 parents)
    Equity (Company account)
    12,600 GBP2023-12-31
    Officer
    2003-04-28 ~ now
    IIF 7 - Director → ME
  • 5
    C/- Northern Petroleum Martin House, 5 Martin Lane, London
    Dissolved Corporate (3 parents)
    Officer
    2005-01-20 ~ dissolved
    IIF 20 - Director → ME
  • 6
    Newton House, Motherby, Penrith, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    3 GBP2024-06-30
    Officer
    2018-06-19 ~ now
    IIF 6 - Director → ME
    Person with significant control
    2018-06-19 ~ now
    IIF 32 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 32 - Ownership of shares – More than 25% but not more than 50% → OE
  • 7
    GORDONS28 LIMITED - 2003-04-01
    C/- Northern Petroleum Martin House, 5 Martin Lane, London
    Dissolved Corporate (4 parents)
    Officer
    2003-04-03 ~ dissolved
    IIF 18 - Director → ME
  • 8
    C/- Northern Petroleum Martin House, 5 Martin Lane, London
    Dissolved Corporate (3 parents)
    Officer
    2005-04-20 ~ dissolved
    IIF 21 - Director → ME
  • 9
    65 Gally Hill Road, Church Crookham, Fleet, United Kingdom
    Dissolved Corporate (2 parents)
    Officer
    2018-10-12 ~ dissolved
    IIF 28 - Director → ME
    Person with significant control
    2018-10-12 ~ dissolved
    IIF 29 - Ownership of shares – More than 25% but not more than 50% → OE
  • 10
    3rd Floor, 12 Gough Square, London
    Active Corporate (10 parents)
    Officer
    2016-09-27 ~ now
    IIF 2 - Director → ME
Ceased 17
  • 1
    NORTHERN PETROLEUM EXPLORATION LIMITED - 2007-01-16
    Langley Associates Monson Business Centre, 3 Monson Road, Tunbridge Wells, Kent, England
    Dissolved Corporate (3 parents)
    Officer
    2003-01-16 ~ 2006-01-27
    IIF 13 - Director → ME
    2002-10-21 ~ 2002-12-09
    IIF 14 - Director → ME
  • 2
    CABOT ENERGY PLC - 2020-01-16
    NORTHERN PETROLEUM PLC - 2017-06-27
    GOALMANOR PLC - 1995-09-06
    Cork Gully Llp 6, Snow Hill, London
    Dissolved Corporate (4 parents, 4 offsprings)
    Officer
    2007-05-08 ~ 2014-12-31
    IIF 17 - Director → ME
  • 3
    One New Ludgate, 9th Floor, 60 Ludgate Hill, London, England
    Dissolved Corporate (4 parents)
    Officer
    2007-03-08 ~ 2008-10-17
    IIF 15 - Director → ME
  • 4
    PESGB CONFERENCES LIMITED - 2024-05-21
    PETEX LIMITED - 2018-04-24
    Business And Technology Centre, Bessemer Drive, Stevenage, England
    Active Corporate (8 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    66,944 GBP2024-12-31
    Officer
    ~ 1993-06-29
    IIF 27 - Director → ME
  • 5
    1-7 Park Road, Caterham, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    4,074,552 GBP2024-12-31
    Officer
    2023-04-01 ~ 2025-06-27
    IIF 10 - Director → ME
  • 6
    SOUTHWESTERN RESOURCES LIMITED - 2016-02-02
    1-7 Park Road, Caterham, Surrey
    Active Corporate (2 parents)
    Equity (Company account)
    1,339,990 GBP2024-12-31
    Officer
    2023-04-01 ~ 2025-06-27
    IIF 11 - Director → ME
  • 7
    MEDUSA OIL LIMITED - 2000-02-11
    CATSEC 18 LIMITED - 1992-07-10
    Satago Cottage 360a Brighton Road, Croydon
    Dissolved Corporate (2 parents)
    Officer
    2000-01-27 ~ 2003-10-31
    IIF 9 - Director → ME
  • 8
    33 Cavendish Square, Level 5, London, England
    Active Corporate (2 parents)
    Cash at bank and in hand (Company account)
    0 GBP2023-12-31
    Officer
    2002-10-21 ~ 2015-01-05
    IIF 23 - Director → ME
  • 9
    ATI OIL LIMITED - 2011-02-09
    ATI OIL PLC - 2010-03-08
    ATI OIL LIMITED - 2004-11-22
    NP ITALY LIMITED - 2004-09-07
    NORTHERN PETROLEUM INTERNATIONAL LIMITED - 2003-12-03
    Riverbank House, 2 Swan Lane, London, England
    Dissolved Corporate (3 parents)
    Officer
    2003-11-24 ~ 2004-08-25
    IIF 16 - Director → ME
  • 10
    CABOT ENERGY LIMITED - 2017-06-27
    CABOT RESOURCES LIMITED - 2016-04-06
    NP NORTH SEA LIMITED - 2015-12-15
    NP LICENCE B LIMITED - 2004-05-11
    Riverbank House, 2 Swan Lane, London, England
    Dissolved Corporate (4 parents)
    Officer
    2004-01-07 ~ 2015-01-05
    IIF 22 - Director → ME
  • 11
    C/o Hague And London Oil Plc, 6, Charlotte Street, Bath, England
    Active Corporate (2 parents)
    Officer
    2007-12-31 ~ 2015-01-12
    IIF 4 - Director → ME
  • 12
    ADRIAPET (UK) LIMITED - 2004-11-17
    GORDONS NP2 LIMITED - 2004-01-07
    33 Cavendish Square, Level 5, London, England
    Active Corporate (2 parents)
    Profit/Loss (Company account)
    0 GBP2023-01-01 ~ 2023-12-31
    Officer
    2004-11-11 ~ 2015-01-05
    IIF 3 - Director → ME
  • 13
    33 Cavendish Square, Level 5, London, England
    Active Corporate (2 parents, 2 offsprings)
    Equity (Company account)
    -6,000 GBP2023-12-31
    Officer
    2008-06-30 ~ 2015-01-05
    IIF 5 - Director → ME
  • 14
    One New Ludgate, 9th Floor, 60 Ludgate Hill, London, England
    Dissolved Corporate (4 parents)
    Officer
    2007-03-07 ~ 2008-10-17
    IIF 12 - Director → ME
  • 15
    NORTHERN PETROLEUM (GB) LIMITED - 2014-10-28
    The Broadgate Tower, 8th Floor, 20 Primrose Street, London, United Kingdom
    Active Corporate (3 parents)
    Total Assets Less Current Liabilities (Company account)
    306,000 GBP2016-09-30
    Officer
    2002-10-21 ~ 2014-10-17
    IIF 25 - Director → ME
  • 16
    NP SOLENT LIMITED - 2014-10-28
    GORDONS NP3 LIMITED - 2004-02-20
    The Broadgate Tower 8th Floor, 20 Primrose Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Total Assets Less Current Liabilities (Company account)
    -58,444 GBP2016-09-30
    Officer
    2004-03-19 ~ 2014-10-17
    IIF 26 - Director → ME
  • 17
    NP WEALD LIMITED - 2014-10-28
    NP LICENCE A LIMITED - 2004-05-21
    The Broadgate Tower 8th Floor, 20 Primrose Street, London, United Kingdom
    Dissolved Corporate (2 parents)
    Total Assets Less Current Liabilities (Company account)
    138,055 GBP2016-09-30
    Officer
    2004-01-07 ~ 2014-10-17
    IIF 24 - Director → ME

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