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

James, Darren Glyn

    Related profiles found in government register
  • James, Darren Glyn
    British chartered civil engineer born in June 1967

    Resident in Wales

    Registered addresses and corresponding companies

    • Costain House, Vanwall Business Park, Maidenhead, Berkshire, SL6 4UB

      IIF 1

    • Costain House, Vanwall Business Park, Maidenhead, Berkshire, SL6 4UB, England

      IIF 2 IIF 3 IIF 4
  • James, Darren Glyn
    British company director born in June 1967

    Resident in Wales

    Registered addresses and corresponding companies
  • James, Darren Glyn
    British director born in June 1967

    Resident in Wales

    Registered addresses and corresponding companies

    • Dwr Cymru Welsh Water, Linea, Fortran Road, St. Mellons, Cardiff, CF3 0LT, Wales

      IIF 22 IIF 23

    • Unit 4, Potteric Carr Industrial Estate, Potteric Carr Road, Doncaster, DN4 5NP, England

      IIF 24

    • St. Andrews House, Portsmouth Road, Esher, KT10 9TA, England

      IIF 25 IIF 26 IIF 27

    • St. Andrews House, Portsmouth Road, Esher, Surrey, KT10 9TA, England

      IIF 29

    • 11, Hanover Square, London, W1S 1JJ, England

      IIF 30 IIF 31 IIF 32

    • 2nd Floor, 1 Lindsey Street, Lindsey Street, London, EC1A 9HP, England

      IIF 33 IIF 34 IIF 35

    • 2nd Floor, 1 Lindsey Street, London, EC1A 9HP, England

      IIF 37 IIF 38 IIF 39

    • Costain House, Vanwall Business Park, Maidenhead, Berkshire, SL6 4UB

      IIF 40

    • Costain House, Vanwall Business Park, Maidenhead, Berkshire, SL6 4UB, England

      IIF 41

    • 34, Mountain Road, Craig-cefn-parc, Clydach, Swansea, SA6 5RH, United Kingdom

      IIF 42
  • James, Darren Glyn
    British managing director - infrastructure born in June 1967

    Resident in Wales

    Registered addresses and corresponding companies

    • 12th, Floor Quayside Tower, 252-260 Broad Street, Birmingham, B1 2HF, England

      IIF 43
  • Mr Darren Glyn James
    British born in June 1967

    Resident in Wales

    Registered addresses and corresponding companies

    • St. Andrews House, Portsmouth Road, Esher, KT10 9TA, England

      IIF 44
child relation
Offspring entities and appointments
Active 19
  • 1
    KELTBRAY ENERGY LIMITED - 2024-12-20
    KELTBRAY INFRASTRUCTURE LIMITED - 2020-10-26
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (6 parents, 4 offsprings)
    Officer
    2020-10-28 ~ now
    IIF 20 - director → ME
  • 2
    KELTBRAY HIGHWAYS LIMITED - 2024-12-20
    AK HIGHWAYS LIMITED - 2021-10-08
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (5 parents)
    Officer
    2021-10-07 ~ now
    IIF 36 - director → ME
  • 3
    KELTBRAY INFRASTRUCTURE MANAGEMENT SERVICES LIMITED - 2024-12-20
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (5 parents)
    Officer
    2024-03-19 ~ now
    IIF 33 - director → ME
  • 4
    KELTBRAY INFRASTRUCTURE PLANT LIMITED - 2025-01-27
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (5 parents)
    Officer
    2023-05-19 ~ now
    IIF 34 - director → ME
  • 5
    KELTBRAY INFRASTRUCTURE SERVICES LIMITED - 2024-12-20
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (5 parents, 7 offsprings)
    Officer
    2023-05-19 ~ now
    IIF 35 - director → ME
  • 6
    KELTBRAY RAIL LIMITED - 2025-01-21
    KELTBRAY ASPIRE LIMITED - 2020-10-26
    KELTBRAY ASPIRE RAIL LIMITED - 2018-03-10
    ASPIRE RAIL CONSULTANTS LIMITED - 2010-11-08
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (5 parents)
    Officer
    2020-09-11 ~ now
    IIF 19 - director → ME
  • 7
    WENTWORTH HOUSE RAIL SYSTEMS LIMITED - 2025-01-21
    KELTBRAY MARINE SERVICES LIMITED - 2012-03-15
    2nd Floor, 1 Lindsey Street, Lindsey Street, London, England
    Corporate (5 parents)
    Officer
    2020-10-28 ~ now
    IIF 21 - director → ME
  • 8
    St. Andrews House, Portsmouth Road, Esher, England
    Dissolved corporate (7 parents)
    Officer
    2022-03-09 ~ dissolved
    IIF 25 - director → ME
  • 9
    Dwr Cymru Welsh Water Linea, Fortran Road, St. Mellons, Cardiff, Wales
    Corporate (13 parents, 3 offsprings)
    Officer
    2025-01-01 ~ now
    IIF 23 - director → ME
  • 10
    IRISH POWER CONSTRUCTION LIMITED - 2016-01-25
    Ecos Centre, Kernohans Lane, Ballymena, Northern Ireland
    Corporate (8 parents)
    Total Assets Less Current Liabilities (Company account)
    155,673 GBP2016-05-31
    Officer
    2024-08-15 ~ now
    IIF 38 - director → ME
  • 11
    6 Inchmuir Road, Whitehill Industrial Estate, Bathgate, Scotland
    Corporate (7 parents)
    Equity (Company account)
    1,038,671 GBP2023-11-30
    Officer
    2025-04-14 ~ now
    IIF 39 - director → ME
  • 12
    Dwr Cymru Welsh Water Linea, Fortran Road, St. Mellons, Cardiff, Wales
    Corporate (12 parents, 2 offsprings)
    Officer
    2025-01-01 ~ now
    IIF 22 - director → ME
  • 13
    2nd Floor 1 Lindsey Street, London, England
    Corporate (6 parents)
    Equity (Company account)
    31,760 GBP2023-08-31
    Officer
    2025-03-26 ~ now
    IIF 37 - director → ME
  • 14
    11 Hanover Square, London, England
    Corporate (9 parents, 1 offspring)
    Officer
    2024-08-15 ~ now
    IIF 32 - director → ME
  • 15
    11 Hanover Square, London, England
    Corporate (9 parents, 1 offspring)
    Officer
    2024-08-15 ~ now
    IIF 30 - director → ME
  • 16
    St. Andrews House, Portsmouth Road, Esher, England
    Dissolved corporate (2 parents)
    Officer
    2024-02-14 ~ dissolved
    IIF 27 - director → ME
    Person with significant control
    2024-02-14 ~ dissolved
    IIF 44 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 44 - Ownership of voting rights - More than 25% but not more than 50% → OE
    IIF 44 - Right to appoint or remove directors → OE
  • 17
    11 Hanover Square, London, England
    Corporate (8 parents, 1 offspring)
    Officer
    2024-08-15 ~ now
    IIF 31 - director → ME
  • 18
    Kings Buildings, 16 Smith Square, London, England
    Corporate (12 parents)
    Profit/Loss (Company account)
    -1,321,181 GBP2023-04-01 ~ 2024-03-31
    Officer
    2016-03-01 ~ now
    IIF 42 - director → ME
  • 19
    BIGGER VIEW BUILDING LIMITED - 2020-10-06
    Unit 4 Potteric Carr Road, Doncaster, England
    Corporate (5 parents)
    Equity (Company account)
    1 GBP2024-07-31
    Officer
    2021-09-17 ~ now
    IIF 24 - director → ME
Ceased 24
  • 1
    Alstom, Litchurch Lane, Derby, England
    Corporate (10 parents)
    Officer
    2012-08-29 ~ 2013-12-19
    IIF 43 - director → ME
  • 2
    SIMULATION SYSTEMS LIMITED - 2016-07-15
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Corporate (4 parents)
    Officer
    2016-07-05 ~ 2020-03-31
    IIF 41 - director → ME
  • 3
    COSTAIN CIVIL ENGINEERING LIMITED - 1999-06-24
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Corporate (9 parents, 14 offsprings)
    Officer
    2008-07-10 ~ 2020-03-31
    IIF 1 - director → ME
  • 4
    LAND & MARINE ENGINEERING LIMITED - 1991-10-30
    LAND & MARINE ENGINEERING (HOLDINGS) LIMITED - 1984-03-01
    LAND & MARINE ENGINEERING LIMITED - 1983-11-23
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Corporate (6 parents, 1 offspring)
    Officer
    2016-01-06 ~ 2020-03-31
    IIF 40 - director → ME
  • 5
    St. Andrews House, Portsmouth Road, Esher, England
    Corporate (5 parents)
    Equity (Company account)
    1 GBP2023-08-31
    Officer
    2022-08-23 ~ 2024-08-15
    IIF 28 - director → ME
  • 6
    St. Andrews House, Portsmouth Road, Esher, England
    Corporate (5 parents)
    Equity (Company account)
    1 GBP2023-08-31
    Officer
    2022-08-23 ~ 2024-08-15
    IIF 26 - director → ME
  • 7
    St. Andrews House, Portsmouth Road, Esher, Surrey, England
    Corporate (4 parents, 1 offspring)
    Officer
    2023-05-19 ~ 2024-08-15
    IIF 29 - director → ME
  • 8
    KELTBRAY DEMOLITION AND CIVIL ENGINEERING LIMITED - 2020-11-12
    St. Andrews House, Portsmouth Road, Esher, England
    Corporate (7 parents, 2 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 11 - director → ME
  • 9
    St. Andrews House, Portsmouth Road, Esher, England
    Corporate (5 parents, 1 offspring)
    Officer
    2020-10-27 ~ 2024-08-15
    IIF 8 - director → ME
  • 10
    KELTBRAY HUNT LIMITED - 2011-10-27
    St Andrew's House, Portsmouth Road, Esher, Surrey
    Corporate (3 parents)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 17 - director → ME
  • 11
    KELTBRAY GOLF ENVIRONMENTAL LIMITED - 2013-11-05
    GOLF ENVIRONMENTAL LIMITED - 2011-01-12
    GOLF STRATEGIES (HAINAULT) LIMITED - 2010-02-03
    St Andrews House, Portsmouth Road, Esher, Surrey
    Corporate (3 parents)
    Officer
    2020-10-28 ~ 2021-06-30
    IIF 16 - director → ME
  • 12
    ECONOMIC PLANT LIMITED - 2001-08-24
    ORMSIDE CONTRACTORS LIMITED - 2000-11-20
    St Andrew's House, Portsmouth Road, Esher, Surrey
    Corporate (3 parents, 4 offsprings)
    Officer
    2020-06-24 ~ 2021-06-30
    IIF 15 - director → ME
  • 13
    St. Andrews House, Portsmouth Road, Esher, England
    Corporate (9 parents, 6 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 9 - director → ME
  • 14
    St Andrew's House, Portsmouth Road, Esher, Surrey
    Corporate (3 parents, 4 offsprings)
    Officer
    2020-10-27 ~ 2021-06-30
    IIF 14 - director → ME
  • 15
    St. Andrews House, Portsmouth Road, Esher, England
    Corporate (7 parents, 2 offsprings)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 10 - director → ME
  • 16
    ECONOMIC PLANT LIMITED - 2001-11-01
    KELTBRAY GROUP (HOLDINGS) LIMITED - 2001-08-24
    ECONOMIC PLANT LIMITED - 2000-11-20
    St. Andrew's House, Portsmouth Road, Esher, Surrey
    Corporate (7 parents, 1 offspring)
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 12 - director → ME
  • 17
    St Andrew's House, Portsmouth Road, Esher, Surrey, United Kingdom
    Corporate (3 parents)
    Officer
    2020-10-28 ~ 2021-06-30
    IIF 18 - director → ME
  • 18
    38-40 Bank Street, Belfast, Northern Ireland
    Corporate (6 parents, 3 offsprings)
    Equity (Company account)
    -40,194 GBP2018-02-28
    Officer
    2020-10-28 ~ 2024-08-15
    IIF 7 - director → ME
  • 19
    JEFCO SERVICES LIMITED - 2008-05-29
    JEFCO CONSTRUCTION LIMITED - 1990-10-29
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Corporate (4 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 4 - director → ME
  • 20
    THERMAL ENERGY CONSTRUCTION LIMITED - 2009-01-22
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Corporate (4 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 6 - director → ME
  • 21
    PROMANEX LIMITED - 2008-05-29
    BAWOL SERVICES LIMITED - 1996-08-28
    Seventh Floor, 70 St Mary Axe, London, United Kingdom
    Corporate (4 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 5 - director → ME
  • 22
    HAMSARD 3024 LIMITED - 2007-04-27
    Costain House, Vanwall Business Park, Maidenhead, Berkshire
    Dissolved corporate (4 parents, 1 offspring)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 3 - director → ME
  • 23
    Costain House, Vanwall Business Park, Maidenhead, Berkshire
    Dissolved corporate (4 parents)
    Officer
    2011-08-20 ~ 2020-03-31
    IIF 2 - director → ME
  • 24
    St. Andrew's House, Portsmouth Road, Esher, Surrey
    Corporate (7 parents)
    Officer
    2020-10-27 ~ 2024-08-15
    IIF 13 - director → ME

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Contains public sector information retrieved at 24 April 2025 and licensed under the Open Government Licence v3.0.