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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

Steadman, Mark William

    Related profiles found in government register
  • Steadman, Mark William
    British human resources director born in July 1962

    Resident in England

    Registered addresses and corresponding companies
    • The Ark, 201, Talgarth Road, London, W6 8BJ, England

      IIF 1
    • Alstom, St. Leonards Avenue, Stafford, ST17 4LX, England

      IIF 2 IIF 3
  • Steadman, Mark William
    British vp hr born in July 1962

    Resident in England

    Registered addresses and corresponding companies
    • 30, Finsbury Square, London, EC2P 2YU

      IIF 4
    • The Ark, 201 Talgarth Road, London, W6 8BJ, England

      IIF 5 IIF 6 IIF 7
    • St Leonards Works, St Leonards Avenue, Stafford, Staffordshire, ST17 4LX

      IIF 12
    • St Leonards Works, St Leonards Avenue, Stafford, Staffordshire, ST17 4LX, United Kingdom

      IIF 13
child relation
Offspring entities and appointments 13
  • 1
    COGELEX LIMITED
    05144942
    1 Bridgewater Place, Water Lane, Leeds, West Yorkshire
    Dissolved Corporate (11 parents)
    Officer
    2011-06-16 ~ 2016-07-08
    IIF 8 - Director → ME
  • 2
    GE POWER RESOURCES MANAGEMENT LTD - now
    ALSTOM RESOURCES MANAGEMENT LTD
    - 2020-05-18 00540682
    ALSTOM CONTROLS LTD - 2007-06-14
    CEGELEC CONTROLS LTD. - 1998-12-23
    GEC CONTROLS LIMITED - 1991-03-01
    GEC ELECTRICAL PROJECTS LIMITED - 1989-12-20
    1 Bridgewater Place, Water Lane, Leeds, West Yorkshire
    Dissolved Corporate (55 parents, 1 offspring)
    Officer
    2015-10-29 ~ 2016-07-08
    IIF 6 - Director → ME
  • 3
    GE POWER UK - now
    ALSTOM UK
    - 2020-05-18 00778482
    GEC ALSTHOM LIMITED - 1998-06-23
    GEC POWER SYSTEMS LIMITED - 1989-07-01
    GECOPHONE LIMITED - 1988-08-18
    MCMICHAEL RADIO LIMITED - 1982-11-03
    3rd Floor 1 Ashley Road, Altrincham, Cheshire, United Kingdom
    Active Corporate (45 parents)
    Officer
    2015-10-29 ~ 2016-07-08
    IIF 5 - Director → ME
  • 4
    GE RENEWABLE UK (HOLDINGS) LTD - now
    ALSTOM RENEWABLE UK (HOLDINGS) LIMITED
    - 2017-12-08 08713762
    1 Bridgewater Place, Water Lane, Leeds, West Yorkshire
    Dissolved Corporate (16 parents)
    Officer
    2015-01-19 ~ 2016-07-08
    IIF 3 - Director → ME
  • 5
    GE VERNOVA PENSION TRUST LIMITED - now
    GEAPS PENSION TRUST LIMITED - 2023-04-28
    ALSTOM PENSION TRUST LIMITED
    - 2020-06-10 03579649
    St Leonards Building, Harry Kerr Drive, Stafford, England And Wales, United Kingdom
    Active Corporate (62 parents, 2 offsprings)
    Officer
    2015-01-16 ~ 2016-07-08
    IIF 2 - Director → ME
  • 6
    GE VERNOVA UK HOLDINGS LTD. - now
    GENERAL ELECTRIC UK HOLDINGS LTD. - 2025-04-01
    ALSTOM UK HOLDINGS LTD.
    - 2020-05-18 04267912 00212618
    ALSTOM HOLDINGS LTD - 2002-02-28
    3rd Floor 1 Ashley Road, Altrincham, Cheshire, United Kingdom
    Active Corporate (36 parents, 8 offsprings)
    Officer
    2014-12-08 ~ 2016-07-08
    IIF 1 - Director → ME
  • 7
    GRID SOLUTIONS HVDC INDIA LIMITED
    - now 02789805
    ALSTOM GRID HVDC INDIA LIMITED
    - 2016-05-10 02789805
    AREVA T&D HVDC INDIA LTD - 2011-01-06
    ALSTOM T&D HVDC INDIA LTD - 2004-01-23
    GEC ALSTHOM HVDC INDIA LIMITED - 1998-06-22
    1 Bridgewater Place, Water Lane, Leeds, West Yorkshire
    Dissolved Corporate (19 parents)
    Officer
    2011-06-16 ~ 2016-07-08
    IIF 9 - Director → ME
  • 8
    GRID SOLUTIONS POWER ELECTRONIC SYSTEMS LIMITED
    - now 00512211
    ALSTOM GRID POWER ELECTRONIC SYSTEMS LIMITED
    - 2016-05-10 00512211
    AREVA T&D POWER ELECTRONIC SYSTEMS LTD - 2011-01-06
    ALSTOM T&D POWER ELECTRONIC SYSTEMS LTD - 2008-08-05
    GEC ALSTHOM T&D POWER ELECTRONIC SYSTEMS LIMITED - 1999-02-17
    GEC ALSTHOM TRANSMISSION & DISTRIBUTION PROJECTS LIMITED - 1994-03-24
    GEC TRANSMISSION AND DISTRIBUTION PROJECTS LIMITED - 1989-07-01
    RESMET ALLOYS LIMITED - 1982-11-25
    1 Bridgewater Place, Water Lane, Leeds, West Yorkshire
    Dissolved Corporate (20 parents)
    Officer
    2011-06-16 ~ 2016-07-08
    IIF 7 - Director → ME
  • 9
    LONG & CRAWFORD LIMITED
    - now 00118040
    LONG & CRAWFORD (1988) LIMITED - 1993-11-01
    LONG & CRAWFORD LIMITED - 1988-05-06
    LONG AND CRAWFORD LIMITED - 1984-09-18
    1 Bridgewater Place, Water Lane, Leeds, West Yorkshire
    Dissolved Corporate (20 parents, 1 offspring)
    Officer
    2011-06-16 ~ 2016-07-08
    IIF 10 - Director → ME
  • 10
    ST LEONARDS GRID SWITCHGEAR LIMITED
    - now 00843406
    ALSTOM GRID SWITCHGEAR LIMITED
    - 2011-11-03 00843406
    AREVA SWITCHGEAR LTD - 2011-01-06
    St Leonards Works, St Leonards Avenue, Stafford, Staffordshire
    Liquidation Corporate (6 parents)
    Officer
    2011-06-16 ~ now
    IIF 12 - Director → ME
  • 11
    ST LEONARDS SPR LIMITED
    - now 02820803
    ALSTOM GRID SPR INTERNATIONAL LIMITED
    - 2013-07-30 02820803
    AREVA T&D SPR INTERNATIONAL LTD - 2010-07-21
    ALSTOM T&D SPR INTERNATIONAL LTD - 2004-01-20
    GEC ALSTHOM T & D SPR INTERNATIONAL LIMITED - 1998-06-22
    30 Finsbury Square, London
    Dissolved Corporate (11 parents)
    Officer
    2011-06-16 ~ dissolved
    IIF 4 - Director → ME
  • 12
    ST LEONARDS TRANSMISSION UK LIMITED
    - now 02491776
    ALSTOM TRANSMISSION UK LIMITED
    - 2011-07-26 02491776
    POWERMANN LIMITED - 2011-01-07
    MIXHIGH LIMITED - 1990-05-24
    St Leonards Works, St Leonards Avenue, Stafford, Staffordshire, United Kingdom
    Dissolved Corporate (12 parents)
    Officer
    2011-06-16 ~ dissolved
    IIF 13 - Director → ME
  • 13
    UK GRID SOLUTIONS LIMITED
    - now 04955841
    ALSTOM GRID UK LIMITED
    - 2016-05-10 04955841
    AREVA T&D UK LTD - 2011-01-06
    St Leonards Building, Harry Kerr Drive, Stafford, England And Wales, United Kingdom
    Active Corporate (28 parents, 1 offspring)
    Officer
    2011-06-16 ~ 2016-07-08
    IIF 11 - Director → ME

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