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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

Heath, Donald Leslie

    Related profiles found in government register
  • Heath, Donald Leslie
    British company director born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House, Main Street, Sutton On Derwent, York, YO41 4BT, United Kingdom

      IIF 1
  • Heath, Donald Leslie
    British consultant born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House Main Street, Sutton On Derwent, York, YO41 4BT

      IIF 2
  • Heath, Donald Leslie
    British director born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House Main Street, Sutton On Derwent, York, YO41 4BT

      IIF 3
  • Heath, Donald Leslie
    British director railways born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House Main Street, Sutton On Derwent, York, YO41 4BT

      IIF 4
  • Heath, Donald Leslie
    British project director born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House Main Street, Sutton On Derwent, York, YO41 4BT

      IIF 5
  • Heath, Donald Leslie
    British retired born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House, Main Street, Sutton On Derwent, York, YO41 4BT, England

      IIF 6
  • Mr Donald Leslie Heath
    British born in October 1939

    Resident in England

    Registered addresses and corresponding companies
    • River View House, Main Street, Sutton On Derwent, York, YO41 4BT, England

      IIF 7
  • Heath, Donald Leslie

    Registered addresses and corresponding companies
    • River View House, Main Street, Sutton On Derwent, York, YO41 4BT, United Kingdom

      IIF 8
child relation
Offspring entities and appointments 5
  • 1
    ASSOCIATION FOR PROJECT MANAGEMENT
    - now 01218334
    ASSOCIATION FOR PROJECT MANAGEMENT LIMITED
    - 1997-07-11 01218334
    ASSOCIATION OF PROJECT MANAGERS LIMITED
    - 1996-08-05 01218334
    Ibis House Regent Park, Summerleys Road, Princes Risborough, Buckinghamshire
    Dissolved Corporate (118 parents, 1 offspring)
    Officer
    1994-06-22 ~ 2000-07-31
    IIF 4 - Director → ME
    2003-10-27 ~ 2006-11-28
    IIF 2 - Director → ME
  • 2
    SIRHAYDN LIMITED
    08290921
    124 Acomb Road, Holgate, York, North Yorkshire
    Dissolved Corporate (2 parents)
    Officer
    2012-11-13 ~ dissolved
    IIF 1 - Director → ME
    2012-11-13 ~ dissolved
    IIF 8 - Secretary → ME
  • 3
    THE APM GROUP LIMITED
    02861902
    6th Floor Sword House, Totteridge Road, High Wycombe, Buckinghamshire
    Active Corporate (15 parents)
    Officer
    1995-06-28 ~ 1998-07-31
    IIF 5 - Director → ME
  • 4
    THE ROBERT STEPHENSON TRUST LIMITED
    02285601
    28 Ashkirk Ashkirk, Dudley, Cramlington, Northumberland, England
    Converted / Closed Corporate (36 parents)
    Officer
    2018-03-13 ~ now
    IIF 6 - Director → ME
    Person with significant control
    2020-07-08 ~ now
    IIF 7 - Has significant influence or control OE
  • 5
    WEARDALE REALISATIONS CIC - now
    WEARDALE RAILWAYS CIC - 2020-08-12
    WEARDALE RAILWAYS LIMITED
    - 2007-04-11 02823284 12392050
    NEWVIGIL LIMITED - 1993-11-17
    Minerva, 29 East Parade, Leeds, Yorkshire
    Dissolved Corporate (47 parents)
    Officer
    1997-04-25 ~ 2006-06-26
    IIF 3 - Director → ME

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