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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

Dr Siobhan Mactavish

  • Dr Siobhan Mactavish
    British born in January 1972

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Cardinal Square First Floor - West, 10 Nottingham Road, Derby, DE1 3QT, England

      IIF 1
    • icon of address Marston House, 5, Elmdon Lane, Marston Green, Solihull, West Midlands, B37 7DL

      IIF 2 IIF 3 IIF 4
child relation
Offspring entities and appointments
Active 1
  • 1
    GREENBROOK HEALTHCARE (HARROW) LIMITED - 2019-06-13
    icon of address Marston House 5 Elmdon Lane, Marston Green, Solihull, West Midlands
    Dissolved Corporate (4 parents)
    Equity (Company account)
    -228 GBP2018-03-31
    Person with significant control
    icon of calendar 2016-04-06 ~ dissolved
    IIF 4 - Ownership of shares – More than 25% but not more than 50%OE
Ceased 3
  • 1
    GREENBROOK HEALTHCARE LIMITED - 2007-11-29
    GREENBROOK HEALTHCARE (HOUNSLOW) LIMITED - 2025-07-25
    GREENBROOK HEALTH CARE LTD - 2006-12-20
    icon of address Ernst & Young Llp, 12 Wellington Place, Leeds
    In Administration Corporate (2 parents, 1 offspring)
    Equity (Company account)
    2,406,952 GBP2018-03-31
    Person with significant control
    icon of calendar 2016-04-06 ~ 2017-11-15
    IIF 2 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    icon of address Cardinal Square First Floor - West, 10 Nottingham Road, Derby, England
    Dissolved Corporate (4 parents)
    Equity (Company account)
    126,180 GBP2018-03-31
    Person with significant control
    icon of calendar 2016-04-06 ~ 2019-06-20
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE
  • 3
    icon of address Cardinal Square First Floor - West, 10 Nottingham Road, Derby, England
    Dissolved Corporate (4 parents)
    Equity (Company account)
    -16,097 GBP2018-03-31
    Person with significant control
    icon of calendar 2016-04-06 ~ 2017-11-13
    IIF 3 - 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.