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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

Ms Katherine Sarah O'sullivan

    Related profiles found in government register
  • Ms Katherine Sarah O'sullivan
    British born in August 1963

    Resident in England

    Registered addresses and corresponding companies
    • 21, Watercress Way, Broughton, Milton Keynes, MK10 7AJ, England

      IIF 1
  • Miss Katherine Sarah O'sullivan
    British born in August 1963

    Resident in England

    Registered addresses and corresponding companies
    • 43 Coniscliffe Road, Darlington, DL3 7EH, United Kingdom

      IIF 2
  • O'sullivan, Katherine Sarah
    British born in August 1963

    Resident in England

    Registered addresses and corresponding companies
    • Welsh National Sports Centre, Sophia Gardens, Cardiff, CF11 9SW, Wales

      IIF 3
    • 19, Woolsington Drive, Middleton St. George, Darlington, DL2 1UL, United Kingdom

      IIF 4
    • 43, Coniscliffe Road, Darlington, DL3 7EH, United Kingdom

      IIF 5
  • O'sullivan, Katherine Sarah
    British company director born in August 1963

    Resident in England

    Registered addresses and corresponding companies
    • 6 Lower Mall, London, W6 9DJ

      IIF 6
    • 19, Woolsington Drive, Middleton St. George, Darlington, DL2 1UL, England

      IIF 7
  • O'sullivan, Katherine Sarah
    British hr director born in August 1963

    Resident in England

    Registered addresses and corresponding companies
    • 19 Woolsington Drive, Middleton St George, County Durham, DL2 1UL

      IIF 8
child relation
Offspring entities and appointments
Active 4
  • 1
    74 Gloucester Place, London, England
    Active Corporate (8 parents)
    Officer
    2022-11-17 ~ now
    IIF 4 - Director → ME
  • 2
    43 Coniscliffe Road, Darlington, United Kingdom
    Active Corporate (1 parent)
    Equity (Company account)
    -2,319 GBP2024-05-31
    Officer
    2016-05-05 ~ now
    IIF 5 - Director → ME
    Person with significant control
    2017-04-18 ~ now
    IIF 2 - Ownership of shares – 75% or moreOE
    IIF 2 - Right to appoint or remove directorsOE
    IIF 2 - Ownership of voting rights - 75% or moreOE
  • 3
    21 Watercress Way, Broughton, Milton Keynes, England
    Dissolved Corporate (3 parents)
    Equity (Company account)
    0 GBP2021-07-31
    Officer
    2020-07-09 ~ dissolved
    IIF 7 - Director → ME
    Person with significant control
    2021-07-05 ~ dissolved
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
  • 4
    Welsh National Sports Centre, Sophia Gardens, Cardiff, Wales
    Active Corporate (11 parents)
    Equity (Company account)
    130,601 GBP2024-03-31
    Officer
    2024-11-28 ~ now
    IIF 3 - Director → ME
Ceased 1
  • 1
    AMATEUR ROWING ASSOCIATION LIMITED(THE) - 2009-07-03
    6 Lower Mall, London
    Active Corporate (10 parents, 8 offsprings)
    Officer
    2017-11-01 ~ 2024-10-31
    IIF 6 - Director → ME
    2006-05-16 ~ 2012-09-22
    IIF 8 - Director → ME

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