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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

Winter, Keith John

    Related profiles found in government register
  • Winter, Keith John
    British

    Registered addresses and corresponding companies
    • 19 Ingham Road, Bawtry, Doncaster, South Yorkshire, DN10 6NN

      IIF 1 IIF 2 IIF 3
  • Winter, Keith John
    British project manager

    Registered addresses and corresponding companies
    • 19 Ingham Road, Bawtry, Doncaster, South Yorkshire, DN10 6NN

      IIF 4
  • Winter, Keith John
    British born in May 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Office 5 Rec 2, Retford Enterprise Centre, Randall Way, Retford, Nottinghamshire, DN22 7GR, England

      IIF 5
  • Winter, Keith John
    British director born in May 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 19, Ingham Road, Bawtry, Doncaster, DN10 6NN, United Kingdom

      IIF 6
    • 19 Ingham Road, Bawtry, Doncaster, South Yorkshire, DN10 6NN

      IIF 7
    • 19, Ingham Road, Bawtry, Doncaster, South Yorkshire, DN10 6NN, United Kingdom

      IIF 8
  • Winter, Keith John
    British engineer born in May 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 19 Ingham Road, Bawtry, Doncaster, South Yorkshire, DN10 6NN

      IIF 9
  • Winter, Keith John
    British project manager born in May 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Mr Keith John Winter
    British born in May 1959

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Bulbs Industrial Estate, Snape Lane, Harworth, Doncaster, South Yorkshire, DN11 8SP, United Kingdom

      IIF 14
    • Wintech Modular Projects Limited, The Old Bulb Factory, Snape Lane, Harworth, Doncaster, DN11 8NF, United Kingdom

      IIF 15
    • Office 5 Rec 2, Retford Enterprise Centre, Randall Way, Retford, Nottinghamshire, DN22 7GR, England

      IIF 16
child relation
Offspring entities and appointments
Active 3
  • 1
    PROJECT WORKSHOP LIMITED
    15596766
    Office 5 Rec 2 Retford Enterprise Centre, Randall Way, Retford, Nottinghamshire, England
    Active Corporate (2 parents)
    Officer
    2024-03-27 ~ now
    IIF 5 - Director → ME
    Person with significant control
    2024-03-27 ~ now
    IIF 16 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 16 - Ownership of voting rights - More than 25% but not more than 50%OE
  • 2
    WINTECH HIRE LTD
    07111560
    19 Ingham Road, Bawtry, Doncaster, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    2009-12-23 ~ dissolved
    IIF 6 - Director → ME
  • 3
    WINTECH PROJECTS LIMITED
    04420112
    19 Ingham Road, Bawtry, Doncaster, South Yorkshire
    Dissolved Corporate (1 parent)
    Officer
    2002-04-18 ~ dissolved
    IIF 11 - Director → ME
Ceased 8
  • 1
    CASTLE GUNMAKERS LIMITED
    06553111
    17-19 West Street, Norham, Berwick On Tweed, Northumberland
    Active Corporate (2 parents)
    Equity (Company account)
    25,917 GBP2025-01-31
    Officer
    2008-04-02 ~ 2024-09-27
    IIF 13 - Director → ME
  • 2
    DON VALLEY ENGINEERING COMPANY LIMITED
    00439915 06389130
    Sandall Stones Road, Kirk Sandall, Doncaster, South Yorkshire
    Active Corporate (6 parents)
    Equity (Company account)
    1,689,671 GBP2024-07-31
    Officer
    1997-08-01 ~ 2000-10-31
    IIF 10 - Director → ME
    1998-12-11 ~ 2000-10-31
    IIF 4 - Secretary → ME
  • 3
    DON VALLEY ENGINEERING CONSTRUCTION LIMITED - now
    D.V. ENG. SERVICES LIMITED - 2007-05-31
    CHOOSEMID LIMITED
    - 2001-10-16 03856995
    Sandall Stones Road, Kirk Sandall, Doncaster, South Yorkshire
    Active Corporate (5 parents)
    Equity (Company account)
    1,209,163 GBP2024-07-31
    Officer
    1999-11-01 ~ 2000-10-31
    IIF 1 - Secretary → ME
  • 4
    NEECOL LIMITED
    00191688
    11-13 Thorne Road, Doncaster, South Yorkshire
    Active - Proposal to Strike off Corporate (2 parents)
    Officer
    1998-12-11 ~ 2000-10-31
    IIF 2 - Secretary → ME
  • 5
    OPTIMUM SYSTEMS LIMITED
    - now 01642976 04119984
    SAMPLING ENGINEERING SYSTEMS LIMITED
    - 2001-01-11 01642976 04119984
    Optima House, Askern Road, Toll Bar, Doncaster, South Yorkshire
    Active Corporate (2 parents)
    Equity (Company account)
    6,000 GBP2025-05-31
    Officer
    2000-12-14 ~ 2001-11-30
    IIF 9 - Director → ME
  • 6
    WEDGE WIRE SCREENS LIMITED - now 00684096
    OPTIMA INTERNATIONAL LIMITED
    - 2007-06-13 01298021 00684096
    QUALASTIC INTERNATIONAL LIMITED
    - 2000-03-01 01298021
    QUALASTIC PRODUCTS LIMITED - 1987-09-04 03940760
    Optima House, Askern Road, Toll Bar, Doncaster, South Yorkshire
    Active Corporate (2 parents)
    Equity (Company account)
    1,000 GBP2025-05-31
    Officer
    2000-01-13 ~ 2001-11-30
    IIF 12 - Director → ME
  • 7
    WINTECH MODULAR PROJECTS LTD
    06398641
    Bulbs Industrial Estate, Snape Lane, Harworth, Doncaster, England
    Active Corporate (2 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    530,889 GBP2024-10-31
    Officer
    2007-10-15 ~ 2023-08-03
    IIF 7 - Director → ME
    2007-10-15 ~ 2008-01-08
    IIF 3 - Secretary → ME
    Person with significant control
    2016-04-06 ~ 2023-08-03
    IIF 15 - Right to appoint or remove directors OE
    IIF 15 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 15 - Ownership of shares – More than 25% but not more than 50% OE
  • 8
    WINTECH TIMBER LIMITED
    - now 09967882
    1ST ACTIVE RECRUITMENT LIMITED
    - 2020-05-26 09967882
    Wintech Modular Projects Ltd, Bulbs Industrial Estate Snape Lane, Harworth, Doncaster, South Yorkshire, United Kingdom
    Active Corporate (2 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    6,821 GBP2024-10-31
    Officer
    2016-01-25 ~ 2023-08-03
    IIF 8 - Director → ME
    Person with significant control
    2016-04-06 ~ 2023-08-03
    IIF 14 - Has significant influence or control as a member of a firm OE
    IIF 14 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 14 - Ownership of shares – More than 25% but not more than 50% OE

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