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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

Williamson, David Sean

    Related profiles found in government register
  • Williamson, David Sean
    British born in January 1969

    Resident in England

    Registered addresses and corresponding companies
    • icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, S11 9PA

      IIF 1
    • icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, S11 9PA, England

      IIF 2 IIF 3
    • icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, South Yorkshire, S11 9PA, United Kingdom

      IIF 4 IIF 5
  • Williamson, David Sean
    British av engineer born in January 1969

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 45 Cliffefield Road, Sheffield, S8 9DJ

      IIF 6
  • Williamson, David Sean
    British company director born in January 1969

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 51 Clarkegrove Road, Sheffield, South Yorkshire, S10 2NH, United Kingdom

      IIF 7
    • icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, S11 9PA

      IIF 8
  • Williamson, David Sean
    British av engineer

    Registered addresses and corresponding companies
    • icon of address 45 Cliffefield Road, Sheffield, S8 9DJ

      IIF 9
  • Mr David Sean Williamson
    British born in January 1969

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 51, Clarkegrove Road, Sheffield, South Yorkshire, S10 2NH

      IIF 10
    • icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, S11 9PA, England

      IIF 11 IIF 12
    • icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, South Yorkshire, S11 9PA, United Kingdom

      IIF 13 IIF 14
child relation
Offspring entities and appointments
Active 5
  • 1
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield
    Active Corporate (5 parents)
    Equity (Company account)
    36,237 GBP2024-04-30
    Officer
    icon of calendar 2014-08-09 ~ now
    IIF 1 - Director → ME
  • 2
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, England
    Active Corporate (2 parents)
    Equity (Company account)
    58,572 GBP2025-03-31
    Officer
    icon of calendar 2014-11-06 ~ now
    IIF 3 - Director → ME
    Person with significant control
    icon of calendar 2016-06-30 ~ now
    IIF 12 - Ownership of shares – More than 25% but not more than 50%OE
  • 3
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, England
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    2,030,305 GBP2024-06-30
    Officer
    icon of calendar 2006-06-01 ~ now
    IIF 2 - Director → ME
    Person with significant control
    icon of calendar 2016-06-30 ~ now
    IIF 11 - Ownership of shares – More than 50% but less than 75%OE
  • 4
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, South Yorkshire, United Kingdom
    Active Corporate (1 parent)
    Equity (Company account)
    1 GBP2025-01-31
    Officer
    icon of calendar 2023-01-09 ~ now
    IIF 5 - Director → ME
    Person with significant control
    icon of calendar 2023-01-09 ~ now
    IIF 14 - Ownership of voting rights - 75% or moreOE
    IIF 14 - Right to appoint or remove directorsOE
    IIF 14 - Ownership of shares – 75% or moreOE
  • 5
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, South Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    3 GBP2024-05-31
    Officer
    icon of calendar 2023-05-10 ~ now
    IIF 4 - Director → ME
    Person with significant control
    icon of calendar 2023-05-10 ~ now
    IIF 13 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 13 - Ownership of shares – More than 25% but not more than 50%OE
Ceased 3
  • 1
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield
    Active Corporate (5 parents)
    Equity (Company account)
    36,237 GBP2024-04-30
    Officer
    icon of calendar 2014-04-16 ~ 2014-04-16
    IIF 7 - Director → ME
  • 2
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield
    Active Corporate (5 parents)
    Equity (Company account)
    2,241 GBP2024-11-30
    Officer
    icon of calendar 2011-11-22 ~ 2021-02-27
    IIF 8 - Director → ME
  • 3
    icon of address The Old Workshop, 1 Ecclesall Road South, Sheffield, England
    Active Corporate (1 parent)
    Equity (Company account)
    634 GBP2024-06-30
    Officer
    icon of calendar 2009-02-17 ~ 2019-01-17
    IIF 6 - Director → ME
    icon of calendar 2009-02-17 ~ 2019-01-17
    IIF 9 - Secretary → ME
    Person with significant control
    icon of calendar 2016-06-30 ~ 2019-01-17
    IIF 10 - Ownership of shares – More than 25% but not more than 50% OE

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.