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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

Cook, Sian Katherine

    Related profiles found in government register
  • Cook, Sian Katherine
    born in January 1977

    Resident in Uk

    Registered addresses and corresponding companies
    • Pembroke Building 3rd, Floor, Kensington Village Avonmore Road, London, W14 8DG, England

      IIF 1
  • Cook, Sian Katherine
    British business director born in January 1977

    Resident in Uk

    Registered addresses and corresponding companies
    • 4, Droop Street, London, W10 4DQ

      IIF 2
  • Cook, Sian Katherine
    British born in January 1977

    Resident in Scotland

    Registered addresses and corresponding companies
    • 23 Esplanade Terrace, Esplanade Terrace, Edinburgh, EH15 2ES, Scotland

      IIF 3
  • Mrs Sian Katherine Cook
    British born in January 1977

    Resident in Scotland

    Registered addresses and corresponding companies
    • 23 Esplanade Terrace, Esplanade Terrace, Edinburgh, EH15 2ES, Scotland

      IIF 4
child relation
Offspring entities and appointments 3
  • 1
    BARTLE BOGLE HEGARTY LIMITED
    - now 01622226 03589928
    OVALSHELFCO (NUMBER SEVENTY FIVE) LIMITED - 1982-06-01
    1st Floor 2 Television Centre, 101 Wood Lane, London, England And Wales, United Kingdom
    Active Corporate (209 parents, 2 offsprings)
    Officer
    2010-01-01 ~ 2010-07-31
    IIF 2 - Director → ME
  • 2
    BBH PARTNERS LLP
    OC355051
    1st Floor 2 Television Centre, 101 Wood Lane, London, England
    Active Corporate (141 parents)
    Officer
    2011-04-06 ~ 2016-07-31
    IIF 1 - LLP Member → ME
  • 3
    SIAN COOK LIMITED
    SC755956
    23 Esplanade Terrace Esplanade Terrace, Edinburgh, Scotland
    Active Corporate (1 parent)
    Officer
    2023-01-19 ~ now
    IIF 3 - Director → ME
    Person with significant control
    2023-01-19 ~ now
    IIF 4 - Right to appoint or remove directors OE
    IIF 4 - Ownership of shares – 75% or more OE
    IIF 4 - Ownership of voting rights - 75% or more OE

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Contains public sector information retrieved at 5 April 2026 and licensed under the Open Government Licence v3.0.