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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

James, Darren Glyn

child relation
Offspring entities and appointments 45
  • 1
    ABC ELECTRIFICATION LTD
    08193420
    Dissolved Corporate (32 parents)
    Officer
    2012-08-29 ~ 2013-12-19
    IIF 1 - Director → ME
  • 2
    AS DESIGN & ENGINEERING LIMITED
    10490414
    Active Corporate (8 parents)
    Officer
    2025-06-09 ~ now
    IIF 24 - Director → ME
  • 3
    AUREOS ENERGY LIMITED
    - now 12930461
    KELTBRAY ENERGY LIMITED
    - 2024-12-20 12930461
    KELTBRAY INFRASTRUCTURE LIMITED - 2020-10-26
    Active Corporate (13 parents, 6 offsprings)
    Officer
    2020-10-28 ~ now
    IIF 15 - Director → ME
  • 4
    AUREOS HIGHWAYS LIMITED
    - now 12788652
    KELTBRAY HIGHWAYS LIMITED
    - 2024-12-20 12788652
    AK HIGHWAYS LIMITED
    - 2021-10-08 12788652
    Active Corporate (11 parents)
    Officer
    2021-10-07 ~ now
    IIF 19 - Director → ME
  • 5
    AUREOS INFRASTRUCTURE MANAGEMENT SERVICES LIMITED
    - now 15576040 14882565... (more)
    KELTBRAY INFRASTRUCTURE MANAGEMENT SERVICES LIMITED
    - 2024-12-20 15576040 14882565... (more)
    Active Corporate (6 parents)
    Officer
    2024-03-19 ~ now
    IIF 14 - Director → ME
  • 6
    AUREOS INFRASTRUCTURE PLANT LIMITED
    - now 14882585 14882565... (more)
    KELTBRAY INFRASTRUCTURE PLANT LIMITED
    - 2025-01-27 14882585 12930461... (more)
    Active Corporate (8 parents)
    Officer
    2023-05-19 ~ now
    IIF 16 - Director → ME
  • 7
    AUREOS INFRASTRUCTURE SERVICES LIMITED
    - now 14882565 14882585... (more)
    KELTBRAY INFRASTRUCTURE SERVICES LIMITED
    - 2024-12-20 14882565 14882585... (more)
    Active Corporate (9 parents, 7 offsprings)
    Officer
    2023-05-19 ~ now
    IIF 18 - Director → ME
  • 8
    AUREOS RAIL LIMITED
    - now 06000882
    KELTBRAY RAIL LIMITED
    - 2025-01-21 06000882
    KELTBRAY ASPIRE LIMITED
    - 2020-10-26 06000882
    KELTBRAY ASPIRE RAIL LIMITED - 2018-03-10
    ASPIRE RAIL CONSULTANTS LIMITED - 2010-11-08
    Active Corporate (19 parents)
    Officer
    2020-09-11 ~ now
    IIF 13 - Director → ME
  • 9
    AUREOS TECHNICAL SOLUTIONS LIMITED
    - now 06696437
    WENTWORTH HOUSE RAIL SYSTEMS LIMITED
    - 2025-01-21 06696437
    KELTBRAY MARINE SERVICES LIMITED - 2012-03-15
    Active Corporate (19 parents)
    Officer
    2020-10-28 ~ now
    IIF 17 - Director → ME
  • 10
    COSTAIN INTEGRATED TECHNOLOGY SOLUTIONS LIMITED
    - now 01439838
    SIMULATION SYSTEMS LIMITED
    - 2016-07-15 01439838
    Active Corporate (23 parents)
    Officer
    2016-07-05 ~ 2020-03-31
    IIF 45 - Director → ME
  • 11
    COSTAIN LIMITED
    - now 00610201
    COSTAIN CIVIL ENGINEERING LIMITED - 1999-06-24
    Active Corporate (62 parents, 14 offsprings)
    Officer
    2008-07-10 ~ 2020-03-31
    IIF 26 - Director → ME
  • 12
    COSTAIN OIL, GAS & PROCESS LIMITED
    - now 00786418
    LAND & MARINE ENGINEERING LIMITED - 1991-10-30
    LAND & MARINE ENGINEERING (HOLDINGS) LIMITED - 1984-03-01
    LAND & MARINE ENGINEERING LIMITED - 1983-11-23
    Active Corporate (45 parents, 1 offspring)
    Officer
    2016-01-06 ~ 2020-03-31
    IIF 44 - Director → ME
  • 13
    CRUMLIN CAPITAL NO. 2 LIMITED
    12543393
    Dissolved Corporate (8 parents)
    Officer
    2022-03-09 ~ dissolved
    IIF 39 - Director → ME
  • 14
    DWR CYMRU CYFYNGEDIG
    02366777
    Active Corporate (61 parents, 3 offsprings)
    Officer
    2025-01-01 ~ now
    IIF 3 - Director → ME
  • 15
    ELECTRICITYWORX LTD
    - now NI624452
    IRISH POWER CONSTRUCTION LIMITED - 2016-01-25
    Active Corporate (12 parents)
    Officer
    2024-08-15 ~ now
    IIF 21 - Director → ME
  • 16
    ENERGYLINE LIMITED
    04362423
    Active Corporate (19 parents)
    Officer
    2025-09-17 ~ now
    IIF 22 - Director → ME
  • 17
    GA CONSTRUCTION (HIGHLANDS) LTD
    SC259027
    Active Corporate (10 parents)
    Officer
    2025-04-14 ~ now
    IIF 23 - Director → ME
  • 18
    GLAS CYMRU HOLDINGS CYFYNGEDIG
    09917809 10079953... (more)
    Active Corporate (27 parents, 2 offsprings)
    Officer
    2025-01-01 ~ now
    IIF 2 - Director → ME
  • 19
    HELIX WORKFLO LIMITED
    - now 11370722
    HELIX RAIL LIMITED
    - 2025-05-14 11370722
    Active Corporate (8 parents)
    Officer
    2025-03-26 ~ now
    IIF 20 - Director → ME
  • 20
    HIPER ENERGY LIMITED
    14314057
    Active Corporate (9 parents, 1 offspring)
    Officer
    2022-08-23 ~ 2024-08-15
    IIF 42 - Director → ME
  • 21
    HIPER PILE LIMITED
    14314100
    Active Corporate (11 parents)
    Officer
    2022-08-23 ~ 2024-08-15
    IIF 40 - Director → ME
  • 22
    KELTBRAY (BE) HOLDINGS LIMITED
    14882549 12543807
    Active Corporate (8 parents, 7 offsprings)
    Officer
    2023-05-19 ~ 2024-08-15
    IIF 43 - Director → ME
  • 23
    KELTBRAY BUILT ENVIRONMENT LIMITED
    - now 12548732
    KELTBRAY DEMOLITION AND CIVIL ENGINEERING LIMITED
    - 2020-11-12 12548732
    Active Corporate (17 parents, 2 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 35 - Director → ME
  • 24
    KELTBRAY CONSULTING & ENGINEERING LIMITED
    12932398
    Active Corporate (11 parents, 2 offsprings)
    Officer
    2020-10-27 ~ 2024-08-15
    IIF 33 - Director → ME
  • 25
    KELTBRAY LIMITED
    01274344 06771858
    Active Corporate (27 parents, 8 offsprings)
    Officer
    2020-10-27 ~ 2021-06-30
    IIF 38 - Director → ME
  • 26
    KELTBRAY MANAGEMENT SERVICES LIMITED
    12932693
    Active Corporate (17 parents, 2 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 34 - Director → ME
  • 27
    KELTBRAY PLANT LIMITED
    - now 01675402
    ECONOMIC PLANT LIMITED - 2001-11-01
    KELTBRAY GROUP (HOLDINGS) LIMITED - 2001-08-24
    ECONOMIC PLANT LIMITED - 2000-11-20
    Active Corporate (22 parents, 2 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 36 - Director → ME
  • 28
    KERR PROPERTY HOLDINGS LIMITED
    NI644170
    Active Corporate (14 parents, 3 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 32 - Director → ME
  • 29
    KONCLUDE ENVIRONMENTAL LTD - now
    KELTBRAY ENVIRONMENTAL LTD
    - 2026-05-21 06564049 02051681... (more)
    KELTBRAY HUNT LIMITED - 2011-10-27
    Active Corporate (15 parents)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 8 - Director → ME
  • 30
    KONCLUDE ENVIRONMENTAL MATERIALS MANAGEMENT LIMITED - now
    KELTBRAY ENVIRONMENTAL MATERIALS MANAGEMENT LIMITED
    - 2026-05-21 06872836
    KELTBRAY GOLF ENVIRONMENTAL LIMITED - 2013-11-05
    GOLF ENVIRONMENTAL LIMITED - 2011-01-12
    GOLF STRATEGIES (HAINAULT) LIMITED - 2010-02-03
    Active Corporate (17 parents)
    Officer
    2020-10-28 ~ 2021-06-30
    IIF 7 - Director → ME
  • 31
    KONCLUDE GROUP (HOLDINGS) LIMITED - now
    KELTBRAY GROUP (HOLDINGS) LIMITED
    - 2026-05-21 02810840 01675402
    ECONOMIC PLANT LIMITED - 2001-08-24
    ORMSIDE CONTRACTORS LIMITED - 2000-11-20
    Active Corporate (30 parents, 9 offsprings)
    Officer
    2020-06-24 ~ 2021-06-30
    IIF 6 - Director → ME
  • 32
    KONCLUDE HOLDINGS LIMITED - now
    KELTBRAY HOLDINGS LIMITED
    - 2026-05-21 12543807 14882549
    Active Corporate (15 parents, 12 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 5 - Director → ME
  • 33
    KONCLUDE STRUCTURES LIMITED - now
    KELTBRAY STRUCTURES LIMITED
    - 2026-05-21 10325243
    Active Corporate (12 parents)
    Officer
    2020-10-28 ~ 2021-06-30
    IIF 9 - Director → ME
  • 34
    OSPREY BIDCO LIMITED
    15819536 15819379
    Active Corporate (11 parents, 1 offspring)
    Officer
    2024-08-15 ~ now
    IIF 12 - Director → ME
  • 35
    OSPREY DEBTCO LIMITED
    15868953
    Active Corporate (10 parents, 1 offspring)
    Officer
    2024-08-15 ~ now
    IIF 10 - Director → ME
  • 36
    OSPREY INFRASTRUCTURE SERVICES LIMITED
    15489635
    Dissolved Corporate (2 parents)
    Officer
    2024-02-14 ~ dissolved
    IIF 41 - Director → ME
    Person with significant control
    2024-02-14 ~ dissolved
    IIF 46 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 46 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 46 - Right to appoint or remove directors → OE
  • 37
    OSPREY MIDCO LIMITED
    15819379 15819536
    Active Corporate (9 parents, 2 offsprings)
    Officer
    2024-08-15 ~ now
    IIF 11 - Director → ME
  • 38
    PROMANEX (CIVILS & INDUSTRIAL SERVICES) LIMITED
    - now 02224393 06427724
    JEFCO SERVICES LIMITED - 2008-05-29
    JEFCO CONSTRUCTION LIMITED - 1990-10-29
    Dissolved Corporate (17 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 29 - Director → ME
  • 39
    PROMANEX (CONSTRUCTION & MAINTENANCE SERVICES) LIMITED
    - now 03548978 06427708
    THERMAL ENERGY CONSTRUCTION LIMITED - 2009-01-22
    Dissolved Corporate (21 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 31 - Director → ME
  • 40
    PROMANEX (TOTAL FM & ENVIRONMENTAL SERVICES) LIMITED
    - now 03230494 06427711
    PROMANEX LIMITED - 2008-05-29
    BAWOL SERVICES LIMITED - 1996-08-28
    Dissolved Corporate (26 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 30 - Director → ME
  • 41
    PROMANEX GROUP HOLDINGS LIMITED
    - now 05933523
    HAMSARD 3024 LIMITED - 2007-04-27
    Dissolved Corporate (18 parents, 1 offspring)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 28 - Director → ME
  • 42
    PROMANEX GROUP LIMITED
    03895753
    Dissolved Corporate (25 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 27 - Director → ME
  • 43
    RAILWAY INDUSTRY ASSOCIATION
    10036044
    Active Corporate (53 parents)
    Officer
    2016-03-01 ~ now
    IIF 25 - Director → ME
  • 44
    RAPIDE A POWERLINES INEO KELTBRAY JOINT VENTURE LTD
    - now 12727835
    BIGGER VIEW BUILDING LIMITED - 2020-10-06
    Active Corporate (9 parents)
    Officer
    2021-09-17 ~ now
    IIF 4 - Director → ME
  • 45
    WENTWORTH HOUSE PARTNERSHIP LIMITED
    03673466
    Active Corporate (19 parents)
    Officer
    2020-10-27 ~ 2024-08-15
    IIF 37 - Director → ME

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