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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

Mrs Fiona Jane Mcwilliams

    Related profiles found in government register
  • Mrs Fiona Jane Mcwilliams
    British born in December 1961

    Resident in England

    Registered addresses and corresponding companies
    • 20, Wenlock Road, London, Gb-eng, N1 7GU, England

      IIF 1
    • Castlewood House, 77-91 New Oxford Street, London, WC1A 1DG

      IIF 2
  • Mcwilliams, Fiona Jane
    British born in December 1961

    Resident in England

    Registered addresses and corresponding companies
    • 20, Wenlock Road, London, N1 7GU, England

      IIF 3
  • Mcwilliams, Fiona Jane
    British company director born in December 1961

    Resident in England

    Registered addresses and corresponding companies
    • 63 Devonport Road, London, W12 8PB

      IIF 4
  • Mcwilliams, Fiona Jane
    British consultant born in December 1961

    Resident in England

    Registered addresses and corresponding companies
    • 63 Devonport Road, London, W12 8PB

      IIF 5
  • Mcwilliams, Fiona Jane
    British executive director of fundraising born in December 1961

    Resident in England

    Registered addresses and corresponding companies
    • Fulham Palace, Bishops Avenue, London, SW6 6EA

      IIF 6
  • Mcwilliams, Fiona Jane
    British museum director born in December 1961

    Resident in England

    Registered addresses and corresponding companies
    • Natural History Museum (eg281), Cromwell Road, London, SW7 5BD, England

      IIF 7
child relation
Offspring entities and appointments
Active 2
  • 1
    20 Wenlock Road, London, England
    Active Corporate (2 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    10,103 GBP2024-07-31
    Officer
    2023-07-24 ~ now
    IIF 3 - Director → ME
    Person with significant control
    2023-07-24 ~ now
    IIF 1 - Right to appoint or remove directorsOE
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
  • 2
    Castlewood House, 77-91 New Oxford Street, London
    Dissolved Corporate (3 parents)
    Officer
    2005-01-17 ~ dissolved
    IIF 5 - Director → ME
    Person with significant control
    2016-07-01 ~ dissolved
    IIF 2 - Right to appoint or remove directors as a member of a firmOE
    IIF 2 - Ownership of shares – More than 25% but not more than 50%OE
Ceased 3
  • 1
    Natural History Museum (eg281), Cromwell Road, London, England
    Active Corporate (11 parents)
    Total Assets Less Current Liabilities (Company account)
    75,287 GBP2017-03-31
    Officer
    2020-07-15 ~ 2020-11-24
    IIF 7 - Director → ME
  • 2
    Fulham Palace, Bishops Avenue, London
    Active Corporate (14 parents)
    Officer
    2020-04-01 ~ 2024-08-05
    IIF 6 - Director → ME
  • 3
    THE LONDON INTERNATIONAL STRING QUARTET COMPETITION - 1995-12-19
    CITY OF PORTSMOUTH INTERNATIONAL STRING QUARTET COMPETITION - 1988-04-18
    The Wigmore Hall Trust, 36 Wigmore Street, London
    Dissolved Corporate (8 parents)
    Total Assets Less Current Liabilities (Company account)
    0 GBP2017-06-30
    Officer
    2001-10-01 ~ 2006-10-03
    IIF 4 - Director → ME

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