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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

Mr Thomas Michael O'brien

    Related profiles found in government register
  • Mr Thomas Michael O'brien
    Irish born in October 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 4, Gleneagles Court, Brighton Road, Crawley, RH10 6AD, England

      IIF 1
    • 4, Gleneagles Court, Brighton Road, Crawley, West Sussex, RH10 6AD

      IIF 2
    • 4, Gleneagles Court, Brighton Road, Crawley, West Sussex, RH10 6AD, United Kingdom

      IIF 3
  • Mr Thomas Michael O'brien
    Irish born in October 1972

    Resident in England

    Registered addresses and corresponding companies
    • 4, Brighton Road, Crawley, RH10 6AD, England

      IIF 4 IIF 5
  • O'brien, Thomas Michael
    Irish born in October 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 4, Brighton Road, Crawley, RH10 6AD, England

      IIF 6
    • 4, Gleneagles Court, Brighton Road, Crawley, RH10 6AD, England

      IIF 7
    • 4, Gleneagles Court, Brighton Road, Crawley, West Sussex, RH10 6AD

      IIF 8 IIF 9
    • 4, Gleneagles Court, Brighton Road, Crawley, West Sussex, RH10 6AD, United Kingdom

      IIF 10
    • 15, The Rise, East Grinstead, West Sussex, RH19 4DS

      IIF 11
  • O'brien, Thomas Michael
    Irish director born in October 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 15, The Rise, East Grinstead, West Sussex, RH19 4DS

      IIF 12
    • 5, Glynde Place, Horsham, West Sussex, RH12 1NZ, United Kingdom

      IIF 13
  • O'brien, Thomas Michael
    Irish general manager born in October 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • The Orchard, Tithepit Shaw Lane, Warlington, Surrey, CR6 9AL

      IIF 14
  • O Brien, Thomas
    Irish born in October 1972

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 4, Brighton Road, Crawley, RH10 6AD, England

      IIF 15
child relation
Offspring entities and appointments
Active 8
  • 1
    BIG BOX PROPERTY GROUP LTD
    13180413
    4 Brighton Road, Crawley, England
    Active Corporate (2 parents)
    Equity (Company account)
    -467,250 GBP2024-03-31
    Officer
    2021-02-04 ~ now
    IIF 6 - Director → ME
  • 2
    BIG BOX PROPERTY HOLDINGS LTD
    16675333
    4 Gleneagles Court, Brighton Road, Crawley, West Sussex, United Kingdom
    Active Corporate (2 parents)
    Officer
    2025-08-27 ~ now
    IIF 10 - Director → ME
    Person with significant control
    2025-08-27 ~ now
    IIF 3 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 3 - Ownership of shares – More than 25% but not more than 50%OE
  • 3
    BROCKHURST HOMES LIMITED
    05106816
    4 Gleneagles Court, Brighton Road, Crawley, England
    Active Corporate (2 parents)
    Equity (Company account)
    -400 GBP2024-04-30
    Officer
    2004-04-20 ~ now
    IIF 7 - Director → ME
    Person with significant control
    2017-04-20 ~ now
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
  • 4
    BYERSWOOD LIMITED
    07904728
    4 Gleneagles Court, Brighton Road, Crawley, West Sussex
    Active Corporate (3 parents)
    Equity (Company account)
    350,592 GBP2022-03-31
    Officer
    2012-01-10 ~ now
    IIF 8 - Director → ME
    Person with significant control
    2016-04-06 ~ now
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50%OE
    IIF 2 - Ownership of shares – More than 25% but not more than 50%OE
  • 5
    LEINSTER COURT LIMITED
    04597021
    Units 6a & 6b Quickbury Farm Hatfield Heath Road, Sheering, Sawbridgeworth, Hertfordshire, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    12 GBP2023-12-31
    Officer
    2002-11-21 ~ now
    IIF 11 - Director → ME
  • 6
    O'BRIEN LETTINGS LIMITED
    07381682
    4 Brighton Road, Crawley, England
    Active Corporate (2 parents)
    Equity (Company account)
    102 GBP2024-03-31
    Officer
    2010-09-20 ~ now
    IIF 15 - Director → ME
    Person with significant control
    2016-09-20 ~ now
    IIF 4 - Ownership of shares – More than 25% but not more than 50%OE
  • 7
    O'BRIEN PROPERTIES LIMITED
    01107840
    4 Gleneagles Court, Brighton Road, Crawley, West Sussex
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    3,190,989 GBP2024-03-31
    Officer
    2001-05-23 ~ now
    IIF 9 - Director → ME
  • 8
    O'BRIEN RESIDENTIAL LIMITED
    09594011
    4 Brighton Road, Crawley, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    -78,718 GBP2023-03-31
    Officer
    2015-05-15 ~ dissolved
    IIF 13 - Director → ME
    Person with significant control
    2017-05-15 ~ dissolved
    IIF 5 - Has significant influence or controlOE
Ceased 2
  • 1
    THATCHINGS RESIDENTS ASSOCIATION LIMITED
    03476803
    36 The Thatchings, Polegate, East Sussex
    Dissolved Corporate (3 parents)
    Officer
    1999-08-10 ~ 2011-03-25
    IIF 14 - Director → ME
  • 2
    WYE GREEN MANAGEMENT COMPANY LIMITED
    05078039
    48 Mount Ephraim, Tunbridge Wells, Kent, United Kingdom
    Active Corporate (5 parents)
    Equity (Company account)
    501 GBP2024-12-31
    Officer
    2004-03-19 ~ 2013-02-01
    IIF 12 - Director → ME

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