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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

O'brien, Gary Anthony

    Related profiles found in government register
  • O'brien, Gary Anthony
    British born in August 1959

    Resident in England

    Registered addresses and corresponding companies
  • O'brien, Gary Anthony
    British director born in August 1959

    Resident in England

    Registered addresses and corresponding companies
  • O'brien, Gary Anthony
    British born in August 1959

    Registered addresses and corresponding companies
  • Mr Gary Anthony O'brien
    British born in August 1959

    Resident in England

    Registered addresses and corresponding companies
child relation
Offspring entities and appointments 9
  • 1
    BORAX EUROPE LIMITED
    - now 00036374
    BORAX CONSOLIDATED LIMITED - 1995-11-08
    BORAX HOLDINGS LIMITED - 1989-08-14
    HARDMAN AND HOLDEN,LIMITED - 1978-12-31
    Active Corporate (44 parents)
    Officer
    2018-12-31 ~ 2019-09-16
    IIF 4 - Director → ME
  • 2
    MUROWA HOLDINGS LIMITED
    08993508
    Active Corporate (13 parents)
    Officer
    2014-04-11 ~ 2015-06-17
    IIF 2 - Director → ME
  • 3
    RIO TINTO DIAMONDS LIMITED
    05266164
    Dissolved Corporate (43 parents)
    Officer
    2013-07-03 ~ 2016-08-23
    IIF 6 - Director → ME
  • 4
    RIO TINTO IRON & TITANIUM LIMITED
    - now 02796146
    QMP METAL POWDERS LIMITED - 2006-07-11
    BROADSTAND LIMITED - 1993-11-08
    Dissolved Corporate (35 parents)
    Officer
    2006-10-02 ~ 2009-09-14
    IIF 9 - Director → ME
    2012-08-02 ~ 2019-09-16
    IIF 3 - Director → ME
  • 5
    RIO TINTO IRON ORE ATLANTIC LIMITED
    05516177
    Active Corporate (30 parents)
    Officer
    2013-07-16 ~ 2019-09-16
    IIF 7 - Director → ME
  • 6
    RIO TINTO PENSION 2009 TRUSTEES LIMITED
    06890898 00982701
    Dissolved Corporate (19 parents)
    Person with significant control
    2019-04-30 ~ 2019-10-01
    IIF 11 - Ownership of voting rights - 75% or more with control over the trustees of a trust → OE
  • 7
    RIO TINTO PENSION FUND TRUSTEES LIMITED
    - now 00982701 06890898
    R.T.Z. PENSION FUND TRUSTEES LIMITED - 1997-06-12
    Active Corporate (47 parents)
    Officer
    2009-12-03 ~ 2019-09-30
    IIF 5 - Director → ME
    Person with significant control
    2016-07-05 ~ 2019-10-01
    IIF 10 - Ownership of shares – 75% or more → OE
    IIF 10 - Ownership of voting rights - 75% or more → OE
  • 8
    RIO TINTO SIMFER UK LIMITED
    - now 06375648
    FRONTIER GREEN RESOURCES LIMITED - 2010-08-20
    Active Corporate (26 parents, 2 offsprings)
    Officer
    2014-03-05 ~ 2019-09-16
    IIF 8 - Director → ME
  • 9
    SIMFER JERSEY NOMINEE LIMITED
    08550944
    Active Corporate (11 parents)
    Officer
    2013-05-31 ~ 2019-09-16
    IIF 1 - Director → ME

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Contains public sector information retrieved at 14 July 2026 and licensed under the Open Government Licence v3.0.