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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

Williams, Gerwyn Llewellyn

child relation
Offspring entities and appointments 37
  • 1
    ABBEY MINE LIMITED
    05303498
    Dissolved Corporate (11 parents)
    Officer
    2004-12-03 ~ 2009-07-13
    IIF 2 - Director → ME
  • 2
    ADAMO ENERGY (UK) LIMITED
    - now 06252743
    EDEN ENERGY (UK) LIMITED - 2011-10-20
    Active Corporate (10 parents)
    Officer
    2016-02-24 ~ now
    IIF 23 - Director → ME
  • 3
    AIR NATION LIMITED
    08503108
    Dissolved Corporate (1 parent)
    Officer
    2013-04-24 ~ dissolved
    IIF 27 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 47 - Ownership of shares – 75% or more → OE
  • 4
    CENTRECLEAR LIMITED
    04899634
    Dissolved Corporate (15 parents)
    Officer
    2005-07-29 ~ 2009-07-13
    IIF 3 - Director → ME
  • 5
    COASTAL OIL AND GAS LIMITED
    - now 03440732
    MORFA GAS LIMITED
    - 1998-10-08 03440732
    Active Corporate (6 parents)
    Officer
    1997-09-26 ~ now
    IIF 29 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 40 - Has significant influence or control as a member of a firm → OE
  • 6
    GLYNCASTLE MINERAL HANDLING LIMITED - now
    HORIZON MINERAL HANDLING LIMITED
    - 2017-06-06 05346865
    Dissolved Corporate (11 parents)
    Officer
    2005-01-31 ~ 2009-07-13
    IIF 10 - Director → ME
  • 7
    GLYNCASTLE MINING LIMITED - now
    HORIZON MINING LIMITED
    - 2017-06-06 05346654 03616432
    Dissolved Corporate (16 parents)
    Officer
    2005-01-28 ~ 2009-07-13
    IIF 1 - Director → ME
  • 8
    GLYNCASTLE PLC - now
    UNITY POWER PLC
    - 2017-06-06 05352542 05567550
    CHIAN RESOURCES PLC
    - 2007-01-15 05352542
    Dissolved Corporate (21 parents)
    Officer
    2006-12-04 ~ 2009-07-10
    IIF 5 - Director → ME
  • 9
    GLYNCASTLE RESOURCE LIMITED - now
    UNITY MINE LIMITED
    - 2017-06-06 03616432
    HORIZON COAL SEAM GASIFICATION LIMITED
    - 2006-05-31 03616432
    HORIZON MINING LIMITED
    - 1999-07-19 03616432 05346654
    Dissolved Corporate (17 parents)
    Officer
    1998-08-12 ~ 2009-07-13
    IIF 8 - Director → ME
  • 10
    INFINITY ENERGY LIMITED
    FC040650
    Active Corporate (2 parents)
    Officer
    2023-06-07 ~ now
    IIF 14 - Director → ME
  • 11
    INFINITY EXPLORATION LIMITED
    10740815
    Active Corporate (2 parents)
    Officer
    2017-04-25 ~ now
    IIF 19 - Director → ME
  • 12
    LOCAL ENERGY SUPPLY SYSTEMS LIMITED
    06800265
    Active Corporate (2 parents)
    Officer
    2009-01-23 ~ now
    IIF 32 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 49 - Ownership of shares – 75% or more → OE
  • 13
    MODAL MINING LIMITED
    - now 02871139
    CARISSUE LIMITED - 1994-03-01
    Dissolved Corporate (6 parents)
    Officer
    1994-03-03 ~ dissolved
    IIF 18 - Director → ME
  • 14
    NEWTON (PORTHCAWL) ESTATE COMPANY LIMITED
    00285752
    Active Corporate (8 parents)
    Officer
    2021-05-26 ~ now
    IIF 12 - Director → ME
  • 15
    NEWTON BEACH DEVELOPMENT COMPANY LIMITED
    06467509
    Active Corporate (2 parents, 1 offspring)
    Officer
    2008-01-08 ~ now
    IIF 35 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 52 - Ownership of shares – 75% or more → OE
  • 16
    NEWTON BEACH PARKING LIMITED
    15630845
    Active Corporate (2 parents)
    Officer
    2024-04-09 ~ now
    IIF 15 - Director → ME
  • 17
    OCEAN COAL LIMITED
    05567558
    Dissolved Corporate (13 parents)
    Officer
    2005-09-19 ~ 2009-07-13
    IIF 6 - Director → ME
  • 18
    PSIDIUM LIMITED
    01062244
    Active Corporate (12 parents, 1 offspring)
    Officer
    2021-05-26 ~ now
    IIF 13 - Director → ME
  • 19
    SEFYDLIAD TANWYDD CYMRU CYF.
    11811206
    Dissolved Corporate (3 parents)
    Officer
    2019-02-06 ~ dissolved
    IIF 33 - Director → ME
    Person with significant control
    2019-02-06 ~ dissolved
    IIF 50 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 20
    SEVEN STAR NATURAL GAS LIMITED
    05330862
    Active Corporate (16 parents)
    Officer
    2005-01-12 ~ 2011-05-23
    IIF 4 - Director → ME
  • 21
    SOUTH EASTERN ENERGY LIMITED
    - now 08019076 03417041... (more)
    MANDACO 727 LIMITED
    - 2012-05-28 08019076 03417041... (more)
    Active Corporate (5 parents)
    Officer
    2012-05-28 ~ now
    IIF 17 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 48 - Ownership of shares – 75% or more → OE
  • 22
    SOUTH WALES ENERGY LIMITED
    - now 07948427
    MANDACO 725 LIMITED - 2012-05-08
    Active Corporate (5 parents)
    Officer
    2012-05-16 ~ now
    IIF 36 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 53 - Ownership of shares – More than 50% but less than 75% → OE
  • 23
    SOUTH WALES GAS LIMITED
    03443588
    Active Corporate (6 parents)
    Officer
    1997-10-02 ~ now
    IIF 21 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 45 - Has significant influence or control → OE
  • 24
    SOUTH WESTERN ENERGY LIMITED
    - now 08019159 03417041... (more)
    MANDACO 726 LIMITED - 2012-05-04
    Active Corporate (5 parents)
    Officer
    2012-05-16 ~ now
    IIF 34 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 51 - Ownership of shares – 75% or more → OE
  • 25
    ST. JOHN`S VISION LIMITED
    04855469
    Active Corporate (4 parents)
    Officer
    2003-08-04 ~ now
    IIF 20 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 41 - Ownership of shares – 75% or more → OE
  • 26
    TECHNOLEG LIMITED
    - now 03417041
    MANDACO 727 LIMITED
    - 2018-02-22 03417041 08019076... (more)
    SOUTH EASTERN ENERGY LIMITED
    - 2012-05-28 03417041 08019076... (more)
    LOGICSWITCH LIMITED
    - 1997-10-07 03417041
    Active Corporate (5 parents)
    Officer
    1997-10-07 ~ now
    IIF 30 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 44 - Ownership of shares – More than 25% but not more than 50% → OE
  • 27
    THISTLE GAS LIMITED
    03411863
    Active Corporate (6 parents)
    Officer
    1997-07-30 ~ now
    IIF 26 - Director → ME
  • 28
    TOPEX LIMITED
    05554391
    Active Corporate (2 parents)
    Officer
    2005-09-05 ~ now
    IIF 25 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 38 - Right to appoint or remove directors as a member of a firm → OE
    IIF 38 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 38 - Right to appoint or remove directors → OE
    IIF 38 - Ownership of voting rights - More than 25% but not more than 50% as a member of a firm → OE
    IIF 38 - Ownership of shares – More than 25% but not more than 50% as a member of a firm → OE
    IIF 38 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 38 - Has significant influence or control as a member of a firm → OE
  • 29
    TRANSGAS LIMITED
    - now 03440201
    UK GOLDFIELDS LIMITED
    - 2002-09-27 03440201
    GREAT WESTERN POWER & GAS LIMITED
    - 1998-08-25 03440201
    Active Corporate (5 parents)
    Officer
    1997-09-26 ~ now
    IIF 24 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 43 - Ownership of shares – 75% or more → OE
  • 30
    U.K. GAS LIMITED
    02648117
    Active Corporate (10 parents)
    Officer
    (before 1992-09-24) ~ now
    IIF 22 - Director → ME
  • 31
    U.K. METHANE LIMITED
    - now 03452019
    SPEED 6579 LIMITED
    - 1997-11-03 03452019 03096940... (more)
    Active Corporate (6 parents)
    Officer
    1997-10-22 ~ now
    IIF 28 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 39 - Has significant influence or control → OE
  • 32
    UK ONSHORE GAS LIMITED
    - now 03040791
    CAMPBELL OIL AND GAS LIMITED
    - 2002-09-27 03040791
    DREW CAMPBELL ENERGY LIMITED
    - 1998-10-27 03040791
    MODAL MINING ABERBAIDEN LIMITED
    - 1997-09-19 03040791
    MAXIM MACHINES LIMITED
    - 1996-07-12 03040791
    Active Corporate (5 parents, 3 offsprings)
    Officer
    1995-03-31 ~ now
    IIF 16 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 46 - Ownership of shares – More than 50% but less than 75% → OE
  • 33
    UK WATER SUPPLIES LIMITED
    - now 03464228
    VOGUEFLAIR LIMITED
    - 1997-12-22 03464228
    Active Corporate (6 parents)
    Officer
    1997-12-22 ~ now
    IIF 31 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 42 - Has significant influence or control → OE
  • 34
    UK WIND ENERGY LIMITED
    - now 02648102
    U.K. POWER SUPPLIES LIMITED
    - 2002-09-27 02648102
    Active Corporate (8 parents)
    Officer
    1991-09-24 ~ now
    IIF 37 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 54 - Has significant influence or control → OE
  • 35
    UNITY POWER DISTRIBUTION LIMITED
    - now 05567550
    UNITY POWER LIMITED
    - 2007-01-15 05567550 05352542
    Dissolved Corporate (6 parents)
    Officer
    2005-09-19 ~ 2009-07-13
    IIF 9 - Director → ME
  • 36
    UNITY POWER GENERATION LIMITED
    06712014
    Dissolved Corporate (5 parents)
    Officer
    2008-10-01 ~ 2009-07-13
    IIF 7 - Director → ME
  • 37
    UNITY POWER SUPPLIES LIMITED
    05567552
    Dissolved Corporate (6 parents)
    Officer
    2005-09-19 ~ 2009-07-13
    IIF 11 - Director → ME

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