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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

O'brien, Cathriona

    Related profiles found in government register
  • O'brien, Cathriona
    Irish born in April 1979

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Oakwood House, 414 - 422 Hackney Road, London, E2 7SY, United Kingdom

      IIF 1
    • icon of address 41, Eastcote Road, Ruislip, HA4 8BE, United Kingdom

      IIF 2
    • icon of address Unit 1, 38 Wembley Hill Road, Wembley, HA9 8FJ, United Kingdom

      IIF 3 IIF 4
  • O'brien, Cathriona
    Irish director born in April 1979

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 32, Begbie Road, Blackheath, England And Wales, SE3 8DA, United Kingdom

      IIF 5
  • O'brien, Cathriona
    Irish marketing director born in April 1979

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 428, Yeading Lane, Northolt, Middlesex, UB5 6JR, England

      IIF 6
  • O'brien, Cathriona
    Irish director born in April 1979

    Resident in Ireland

    Registered addresses and corresponding companies
    • icon of address Bohergar, Boher, Co. Limerick, Ireland

      IIF 7
  • O'brien, Cathriona
    Irish director born in April 1979

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Unit 14, 63 Jeddo Road, London, W12 9EE, United Kingdom

      IIF 8
  • Mrs Cathriona O'brien
    Irish born in April 1979

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 41, Eastcote Road, Ruislip, HA4 8BE, United Kingdom

      IIF 9
  • O'brien, Cathriona

    Registered addresses and corresponding companies
    • icon of address Unit 14, 63 Jeddo Road, London, W12 9EE, United Kingdom

      IIF 10
  • Mrs Cathriona O'brien
    Irish born in April 1979

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address Unit 14, 63 Jeddo Road, London, W12 9EE, United Kingdom

      IIF 11
child relation
Offspring entities and appointments
Active 7
  • 1
    icon of address Unit 1 38 Wembley Hill Road, Wembley, United Kingdom
    Active Corporate (5 parents)
    Equity (Company account)
    2,884,265 GBP2023-08-31
    Officer
    icon of calendar 2024-12-19 ~ now
    IIF 3 - Director → ME
  • 2
    KENNEDY O'BRIEN HOLDINGS LIMITED - 2021-04-20
    icon of address Oakwood House, 414 - 422 Hackney Road, London, United Kingdom
    Active Corporate (7 parents, 2 offsprings)
    Equity (Company account)
    511,152 GBP2023-08-31
    Officer
    icon of calendar 2024-12-19 ~ now
    IIF 1 - Director → ME
  • 3
    COLUMBIA DESIGN & BUILD LIMITED - 2007-11-02
    STUDYSPACE LIMITED - 2000-08-11
    icon of address Unit 1 38 Wembley Hill Road, Wembley, United Kingdom
    Active Corporate (5 parents)
    Equity (Company account)
    8,874,113 GBP2023-08-31
    Officer
    icon of calendar 2024-12-19 ~ now
    IIF 4 - Director → ME
  • 4
    icon of address 41 Eastcote Road, Ruislip, United Kingdom
    Active Corporate (2 parents, 1 offspring)
    Equity (Company account)
    579,522 GBP2024-04-30
    Officer
    icon of calendar 2016-04-30 ~ now
    IIF 2 - Director → ME
    Person with significant control
    icon of calendar 2017-04-06 ~ now
    IIF 9 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 9 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 9 - Right to appoint or remove directorsOE
  • 5
    S O'BRIEN CONSULTANCY LTD - 2014-08-06
    icon of address 428 Yeading Lane, Northolt, Middlesex
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2014-04-01 ~ dissolved
    IIF 6 - Director → ME
  • 6
    icon of address 10/14 Accommodation Road, Golders Green, London, England
    Dissolved Corporate (2 parents)
    Officer
    icon of calendar 2012-03-09 ~ dissolved
    IIF 7 - Director → ME
  • 7
    icon of address 32 Begbie Road, Blackheath, United Kingdom
    Dissolved Corporate (1 parent)
    Officer
    icon of calendar 2015-03-17 ~ dissolved
    IIF 5 - Director → ME
Ceased 1
  • 1
    icon of address Flat 56 Camegie House, 21 Peterborough Road, Harrow, England
    Active Corporate (1 parent)
    Net Assets/Liabilities (Company account)
    821,122 GBP2024-03-31
    Officer
    icon of calendar 2018-05-30 ~ 2022-02-22
    IIF 8 - Director → ME
    icon of calendar 2018-05-30 ~ 2018-06-12
    IIF 10 - Secretary → ME
    Person with significant control
    icon of calendar 2018-05-30 ~ 2022-02-22
    IIF 11 - Ownership of shares – More than 25% but not more than 50% OE
    IIF 11 - Ownership of voting rights - 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.