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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, Thomas Michael

    Related profiles found in government register
  • O'brien, Thomas Michael
    British born in October 1941

    Registered addresses and corresponding companies
    • 7 Den Bank Avenue, Sheffield, South Yorkshire, S10 5NZ

      IIF 1
  • O'brien, Thomas Michael
    British ceo born in October 1941

    Registered addresses and corresponding companies
    • 7 Den Bank Avenue, Sheffield, South Yorkshire, S10 5NZ

      IIF 2
  • O'brien, Thomas Michael
    British chartered sec born in October 1941

    Registered addresses and corresponding companies
  • O'brien, Thomas Michael
    British chartered secretary born in October 1941

    Registered addresses and corresponding companies
  • O'brien, Thomas Michael
    British company director born in October 1941

    Registered addresses and corresponding companies
    • 7 Den Bank Avenue, Sheffield, South Yorkshire, S10 5NZ

      IIF 19 IIF 20
  • O'brien, Thomas Michael
    British director born in October 1941

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments
Active 2
  • 1
    Bonnyside Works, Bonnybridge
    Dissolved Corporate (4 parents)
    Officer
    1993-09-17 ~ dissolved
    IIF 18 - Director → ME
  • 2
    381 Fulwood Road, Sheffield, South Yorkshire
    Active Corporate (3 parents)
    Officer
    1997-05-01 ~ now
    IIF 4 - Director → ME
Ceased 21
  • 1
    BEECROFT & PARTNERS LIMITED - 1996-09-30
    BEECROFT & PARTNERS (METALLURGISTS) LIMITED - 1982-09-27
    Unit 12a Beresford Way, Chesterfield, Derbyshire, England
    Active Corporate (4 parents)
    Officer
    ~ 2007-09-21
    IIF 7 - Director → ME
  • 2
    C/o Frank Key Group Limited, 22a Portland Street, Daybrook, Nottingham, Nottinghamshiare
    Active Corporate (2 parents)
    Equity (Company account)
    285,627 GBP2024-12-31
    Officer
    ~ 2007-09-21
    IIF 19 - Director → ME
  • 3
    Rsm Tenon Recovery 1 Ridge House, Ridge House Drive, Festival Park, Stoke-on-trent
    Dissolved Corporate (5 parents)
    Officer
    2001-12-11 ~ 2005-06-07
    IIF 2 - Director → ME
  • 4
    Totley Works, Baslow Road, Sheffield, South Yorkshire, England
    Dissolved Corporate (3 parents)
    Officer
    ~ 2007-09-21
    IIF 15 - Director → ME
  • 5
    J & J DYSON PLC - 2000-09-06
    J & J DYSON PUBLIC LIMITED COMPANY - 1998-09-17
    Unit 12a Beresford Way, Chesterfield, Derbyshire, England
    Active Corporate (6 parents, 5 offsprings)
    Officer
    ~ 2007-09-21
    IIF 1 - Director → ME
  • 6
    DYSON REFRACTORIES LIMITED - 1992-04-01
    Unit 12a Beresford Way, Chesterfield, Derbyshire, England
    Active Corporate (4 parents)
    Officer
    ~ 2007-09-21
    IIF 11 - Director → ME
  • 7
    Totley Works, Baslow Road, Sheffield, South Yorkshire, England
    Active Corporate (3 parents)
    Officer
    1997-09-29 ~ 2007-09-21
    IIF 13 - Director → ME
  • 8
    J & J DYSON PROPERTIES LIMITED - 1988-11-07
    MANUALMILE LIMITED - 1987-03-24
    Totley Works, Baslow Road, Sheffield, South Yorkshire
    Dissolved Corporate (3 parents)
    Officer
    ~ 2007-09-21
    IIF 9 - Director → ME
  • 9
    BROOMCO (1431) LIMITED - 1998-01-21
    Totley Works, Baslow Road, Sheffield, South Yorkshire, England
    Dissolved Corporate (3 parents)
    Officer
    1998-01-13 ~ 2007-09-21
    IIF 17 - Director → ME
  • 10
    HOTWORK HOLDINGS LIMITED - 2002-05-23
    HOTWORK INTERNATIONAL LIMITED - 1989-02-07
    Totley Works, Baslow Road, Sheffield, South Yorkshire
    Dissolved Corporate (3 parents)
    Officer
    1997-05-01 ~ 2007-09-21
    IIF 5 - Director → ME
  • 11
    HOTWORK INTERNATIONAL LIMITED - 2002-05-23
    TRENDONE LIMITED - 1989-02-07
    Totley Works, Baslow Road, Sheffield, South Yorkshire, England
    Dissolved Corporate (3 parents)
    Officer
    1997-05-01 ~ 2007-09-21
    IIF 6 - Director → ME
  • 12
    HOTWORK PROCESS PLANT LIMITED - 2002-05-23
    EARLSHEATON MANAGEMENT SERVICES LIMITED - 1982-07-22
    Totley Works, Baslow Road, Sheffield, South Yorkshire, England
    Dissolved Corporate (3 parents)
    Officer
    1997-05-01 ~ 2007-09-21
    IIF 3 - Director → ME
  • 13
    Mill Lane, Rainford, St. Helens, Merseyside, United Kingdom
    Active Corporate (5 parents, 1 offspring)
    Officer
    2000-02-28 ~ 2007-09-21
    IIF 21 - Director → ME
  • 14
    BROOMCO (1430) LIMITED - 1998-02-03
    Totley Works, Baslow Road, Sheffield, South Yorkshire, England
    Dissolved Corporate (3 parents)
    Officer
    1998-01-23 ~ 2007-09-21
    IIF 14 - Director → ME
  • 15
    DYSON GROUP LIMITED - 2000-09-06
    IMCO (0197) LIMITED - 2000-02-25
    Totley Works, Baslow Road, Sheffield, South Yorkshire
    Dissolved Corporate (4 parents)
    Officer
    1997-04-18 ~ 2007-09-21
    IIF 8 - Director → ME
  • 16
    Totley Works, Baslow Road, Sheffield, South Yorkshire
    Dissolved Corporate (3 parents)
    Officer
    ~ 2007-09-21
    IIF 10 - Director → ME
  • 17
    Unit 12a Beresford Way, Chesterfield, Derbyshire, England
    Active Corporate (4 parents)
    Officer
    ~ 2007-09-21
    IIF 12 - Director → ME
  • 18
    KT 531 LIMITED - 1989-11-13
    Unit 5, Ivy End Farm Pluckley Road, Smarden, Ashford, Kent, England
    Active Corporate (3 parents)
    Equity (Company account)
    103,838 GBP2025-03-31
    Officer
    ~ 1999-04-16
    IIF 16 - Director → ME
  • 19
    DYSON FIBRES LIMITED - 1999-07-06
    IMCO (2698) LIMITED - 1999-04-20
    Mill Lane, Rainford, St. Helens, Merseyside, United Kingdom
    Active Corporate (5 parents)
    Officer
    1999-04-22 ~ 2007-09-21
    IIF 22 - Director → ME
  • 20
    Totley Works Baslow Road, Totley, Sheffield
    Dissolved Corporate (4 parents)
    Officer
    ~ 2005-11-01
    IIF 20 - Director → ME
  • 21
    SAFFIL AUTOMOTIVE LTD - 2013-01-31
    FIBRE TECHNIQUES LIMITED - 2001-09-04
    Mill Lane, Rainford, St. Helens, Merseyside, United Kingdom
    Active Corporate (5 parents)
    Officer
    2000-03-03 ~ 2007-09-21
    IIF 23 - Director → ME

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