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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

Hartshorne, David William

    Related profiles found in government register
  • Hartshorne, David William
    British

    Registered addresses and corresponding companies
    • icon of address 48 Viceroy Close, Edgbaston, Birmingham, West Midlands, B5 7US

      IIF 1 IIF 2
    • icon of address 61a George Frederick Road, Sutton Coldfield, West Midlands, B73 6TB

      IIF 3
  • Hartshorne, David William
    British chartered accountant born in May 1952

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address C/o Pennycuick Collins, 54 Hagley Road, Birmingham, B16 8PE, England

      IIF 4
  • Hartshorne, David William
    British director born in May 1952

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 33, Market Street, Lichfield, WS13 6LA, England

      IIF 5
child relation
Offspring entities and appointments
Active 2
  • 1
    TWINTWIN LIMITED - 1987-11-19
    icon of address Ict Centre, Birmingham Research, Park, Vincent Drive, Birmingham, West Midlands
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2001-12-31 ~ dissolved
    IIF 1 - Secretary → ME
  • 2
    icon of address 33 Market Street, Lichfield, England
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar 2010-02-04 ~ dissolved
    IIF 5 - Director → ME
Ceased 3
  • 1
    ALTA CYCLOTRON SERVICES LIMITED - 2011-06-15
    icon of address The University Of Birmingham, Finance Office Edgbaston, Birmingham, West Midlands
    Active Corporate (7 parents)
    Officer
    icon of calendar 2005-08-10 ~ 2010-10-15
    IIF 2 - Secretary → ME
  • 2
    BIRMINGHAM RESEARCH PARK LIMITED - 2019-08-07
    FALCONCAST LIMITED - 1985-03-14
    BIRMINGHAM RESEARCH AND DEVELOPMENT LIMITED - 1987-11-19
    icon of address Finance Office, Edgbaston, Birmingham, England
    Active Corporate (6 parents)
    Officer
    icon of calendar 2001-12-31 ~ 2007-11-07
    IIF 3 - Secretary → ME
  • 3
    icon of address Brook House, 47 High Street, Henley-in-arden, England
    Active Corporate (7 parents)
    Net Assets/Liabilities (Company account)
    933,956 GBP2024-06-30
    Officer
    icon of calendar 2010-06-23 ~ 2019-02-28
    IIF 4 - Director → ME

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