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

Day, Helen Christine

child relation
Offspring entities and appointments
Active 10
  • 1
    BRITISH ALUMINIUM OVERSEAS INVESTMENTS LIMITED - 1987-08-04
    6 St James's Square, London
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 51 - secretary → ME
  • 2
    ALCAN PENSION TRUSTEES LIMITED - 1984-09-18
    6 St James's Square, London, United Kingdom
    Dissolved corporate (6 parents)
    Officer
    2010-02-01 ~ dissolved
    IIF 49 - secretary → ME
  • 3
    PEABODY AUSTRALIA LIMITED - 2001-02-08
    RICHARD COSTAIN (HOLDINGS) LIMITED - 1993-05-14
    6 St James's Square, London, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 14 - secretary → ME
  • 4
    6 St James's Square, London
    Dissolved corporate (2 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 45 - secretary → ME
  • 5
    840 Ibis Court Centre Park, Warrington, England
    Dissolved corporate (1 parent)
    Officer
    2019-02-21 ~ dissolved
    IIF 70 - director → ME
    Person with significant control
    2019-02-21 ~ dissolved
    IIF 72 - Ownership of shares – 75% or more → OE
    IIF 72 - Ownership of voting rights - 75% or more → OE
  • 6
    6 St James's Square, London, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 31 - secretary → ME
  • 7
    RIO TINTO EXPLORATION DRC ORIENTAL LIMITED - 2010-06-10
    RIO TINTO COPPER STRATEGIC ALLIANCE LIMITED - 2009-06-23
    6 St James's Square, London
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 65 - secretary → ME
  • 8
    SELTRUST INVESTMENTS,LIMITED - 1989-07-21
    6 St James's Square, London
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 34 - secretary → ME
  • 9
    6 St James's Square, London, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 11 - secretary → ME
  • 10
    6 St James's Square, London, United Kingdom
    Dissolved corporate (3 parents)
    Officer
    2014-12-12 ~ dissolved
    IIF 18 - secretary → ME
Ceased 59
  • 1
    FREIGHT BONALLACK LIMITED - 1985-11-08
    6 St James's Square, London, United Kingdom
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 12 - secretary → ME
  • 2
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 59 - secretary → ME
  • 3
    6 St James's Square, London, United Kingdom
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 47 - secretary → ME
  • 4
    6 St James's Square, London, United Kingdom
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 35 - secretary → ME
  • 5
    BORAX CONSOLIDATED LIMITED - 1995-11-08
    BORAX HOLDINGS LIMITED - 1989-08-14
    HARDMAN AND HOLDEN,LIMITED - 1978-12-31
    6 St James's Square, London, United Kingdom
    Corporate (7 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 63 - secretary → ME
  • 6
    BRITISH ALCAN ALUMINIUM PLC - 2017-03-20
    ALCAN ALUMINIUM(U.K.)LIMITED - 1982-12-08
    6 St James's Square, London, United Kingdom
    Corporate (4 parents, 3 offsprings)
    Officer
    2013-03-22 ~ 2017-05-05
    IIF 36 - secretary → ME
  • 7
    RIO TINTO NAMIBIAN HOLDINGS LIMITED - 2019-12-13
    RTZ NAMIBIAN HOLDINGS LIMITED - 1997-06-02
    Unit 794 Salisbury House 29 Finsbury Circus, London, United Kingdom
    Corporate (5 parents)
    Equity (Company account)
    Retained earnings (accumulated losses)
    16,567 USD2023-12-31
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 9 - secretary → ME
  • 8
    RIO TINTO PERU LIMITED - 2023-08-25
    4th Floor The Charlotte Building, 17 Gresse Street, London, United Kingdom
    Corporate (7 parents, 1 offspring)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 58 - secretary → ME
  • 9
    MARDON FLEXIBLE PACKAGING LIMITED - 1989-03-20
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 62 - secretary → ME
  • 10
    LMG SMITH BROTHERS LIMITED - 1994-05-01
    SMITH BROTHERS (WHITEHAVEN) LIMITED - 1989-03-20
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 43 - secretary → ME
  • 11
    5 C/o Leonard Scudder, Berkeley Rowe, Merchant Square, London, United Kingdom
    Corporate (4 parents)
    Equity (Company account)
    2,292,080 GBP2023-12-31
    Officer
    2014-12-12 ~ 2015-06-17
    IIF 4 - secretary → ME
  • 12
    ORTHIOS ECO POWER ANGLESEY LIMITED - 2016-01-22
    ANGLESEY ALUMINIUM METAL RENEWABLES LIMITED - 2016-01-05
    C/o Begbies Traynor 31st Floor, 40 Bank Street, London
    Corporate (5 parents)
    Equity (Company account)
    1,052,304 GBP2021-03-31
    Officer
    2014-12-12 ~ 2015-12-23
    IIF 68 - secretary → ME
  • 13
    HAMSARD 2247 LIMITED - 2001-01-19
    6 St James's Square, London, United Kingdom
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 39 - secretary → ME
  • 14
    R.T.Z. AUSTRALIA HOLDINGS LIMITED - 1997-06-23
    6 St James's Square, London
    Corporate (5 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 60 - secretary → ME
  • 15
    ORLINPOINT LIMITED - 2012-03-20
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 33 - secretary → ME
  • 16
    SUMMERWAND LIMITED - 2004-02-03
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 6 - secretary → ME
  • 17
    SUMMERVANISH LIMITED - 2004-01-21
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 5 - secretary → ME
  • 18
    6 St James's Square, London
    Dissolved corporate (5 parents)
    Officer
    2013-04-24 ~ 2017-05-05
    IIF 52 - secretary → ME
  • 19
    ADAMARA LIMITED - 2013-07-05
    RIO TINTO ENERGY LIMITED - 2013-05-29
    JAKHAU HOLDINGS LIMITED - 2006-11-28
    6 St James's Square, London, United Kingdom
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 53 - secretary → ME
  • 20
    RTZ EUROPEAN HOLDINGS LIMITED - 1997-06-12
    R.T.Z.BRITAIN FINANCE LIMITED - 1987-05-06
    6 St James's Square, London
    Corporate (6 parents, 8 offsprings)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 29 - secretary → ME
  • 21
    RIO TINTO FINANCE HOLDINGS LIMITED - 2013-08-20
    RIO TINTO CANADIAN HOLDINGS LIMITED - 2003-04-02
    R.T.Z. CANADIAN HOLDINGS LIMITED - 1997-06-23
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 42 - secretary → ME
  • 22
    RIO TINTO (COMMERCIAL PAPER) PLC - 2012-03-05
    6 St James's Square, London
    Corporate (6 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 22 - secretary → ME
  • 23
    RTZ FINANCE PLC - 1997-06-12
    6 St James's Square, London
    Corporate (6 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 8 - secretary → ME
  • 24
    RTZ INDONESIAN HOLDINGS LIMITED - 1997-06-23
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 15 - secretary → ME
  • 25
    R.T.Z. INTERNATIONAL HOLDINGS LIMITED - 1997-06-12
    BARRIER CORPORATION LIMITED (THE) - 1978-12-31
    6 St James's Square, London, United Kingdom
    Corporate (6 parents, 31 offsprings)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 24 - secretary → ME
  • 26
    QMP METAL POWDERS LIMITED - 2006-07-11
    BROADSTAND LIMITED - 1993-11-08
    6 St James's Square, London, United Kingdom
    Corporate (5 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 32 - secretary → ME
  • 27
    6 St James's Square, London
    Corporate (5 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 16 - secretary → ME
  • 28
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 66 - secretary → ME
  • 29
    RTZ LIMITED - 1997-05-30
    R.T.Z.SERVICES LIMITED - 1986-01-01
    6 St James's Square, London, United Kingdom
    Corporate (6 parents, 4 offsprings)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 67 - secretary → ME
  • 30
    RIO TINTO RESOURCE DEVELOPMENT LIMITED - 1999-11-18
    RTZ RESOURCE DEVELOPMENT LIMITED - 1997-06-02
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 61 - secretary → ME
  • 31
    R.T.Z. MEDICAL PLAN TRUSTEES LIMITED - 1997-09-01
    HACKREMCO (NO.1161) LIMITED - 1996-09-10
    6 St James's Square, London
    Corporate (3 parents)
    Officer
    2008-06-02 ~ 2017-05-05
    IIF 2 - secretary → ME
  • 32
    R.T.Z. METALS LIMITED - 1997-06-12
    R.T.Z. BRISTOL LIMITED - 1983-12-01
    IMPERIAL SMELTING CORPORATION(N.S.C.)LIMITED - 1981-12-31
    6 St James's Square, London
    Corporate (5 parents, 3 offsprings)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 48 - secretary → ME
  • 33
    BP MINERALS DEVELOPMENT LIMITED - 1989-07-12
    BP MINERALS INTERNATIONAL LIMITED - 1988-07-07
    SELECTION TRUST LIMITED - 1982-08-16
    6 St James's Square, London
    Corporate (5 parents, 1 offspring)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 55 - secretary → ME
  • 34
    RTZ MINING AND EXPLORATION LIMITED - 1997-06-25
    DELABOLE SLATE LIMITED - 1988-10-14
    PERSKIP LIMITED - 1981-12-31
    6 St James's Square, London
    Corporate (6 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 57 - secretary → ME
  • 35
    R.T.Z. NOMINEES LIMITED - 1997-06-05
    6 St James's Square, London, United Kingdom
    Corporate (5 parents)
    Officer
    2012-02-15 ~ 2017-05-05
    IIF 30 - secretary → ME
  • 36
    6 St James's Square, London
    Corporate (5 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 25 - secretary → ME
  • 37
    R.T.Z.OVERSEAS HOLDINGS LIMITED - 1997-06-12
    6 St James's Square, London
    Corporate (5 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 44 - secretary → ME
  • 38
    6 St James's Square, London
    Dissolved corporate (3 parents)
    Officer
    2012-10-11 ~ 2017-05-05
    IIF 37 - secretary → ME
    2010-06-23 ~ 2011-01-27
    IIF 3 - secretary → ME
  • 39
    R.T.Z. PENSION FUND TRUSTEES LIMITED - 1997-06-12
    6 St James's Square, London
    Corporate (7 parents)
    Officer
    2008-09-08 ~ 2017-05-05
    IIF 1 - secretary → ME
    Person with significant control
    2016-07-05 ~ 2018-12-31
    IIF 71 - Ownership of shares – More than 25% but not more than 50% → OE
    IIF 71 - Ownership of voting rights - More than 25% but not more than 50% → OE
  • 40
    R.T.Z. PENSION INVESTMENTS LIMITED - 1997-06-25
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 28 - secretary → ME
  • 41
    FRONTIER GREEN RESOURCES LIMITED - 2010-08-20
    6 St James's Square, London
    Corporate (4 parents, 2 offsprings)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 20 - secretary → ME
  • 42
    6 St James's Square, London
    Corporate (6 parents, 1 offspring)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 13 - secretary → ME
  • 43
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 21 - secretary → ME
  • 44
    RIO TINTO TECHNOLOGY RESOURCES UK LIMITED - 2012-10-29
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 17 - secretary → ME
  • 45
    RIO TINTO MINERAL SERVICES LIMITED - 2011-10-03
    RTZ MINERAL SERVICES LIMITED - 1997-06-09
    HACKREMCO (NO.609) LIMITED - 1990-10-18
    6 St James's Square, London
    Dissolved corporate (5 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 10 - secretary → ME
  • 46
    RIO TINTO URANIUM LIMITED - 2011-10-03
    6 St James's Square, London
    Dissolved corporate (6 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 56 - secretary → ME
  • 47
    RIO TINTO KALI LIMITED - 2005-11-02
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 41 - secretary → ME
  • 48
    RTZ WESTERN HOLDINGS LIMITED - 1997-06-12
    R.T.Z. UNITED KINGDOM HOLDINGS LIMITED - 1990-11-30
    R.T.Z. INVESTMENTS LIMITED - 1978-12-31
    6 St James's Square, London, United Kingdom
    Corporate (5 parents, 4 offsprings)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 50 - secretary → ME
  • 49
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 7 - secretary → ME
  • 50
    6 St James's Square, London, United Kingdom
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 64 - secretary → ME
  • 51
    25 Farringdon Street, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 27 - secretary → ME
  • 52
    6 St James's Square, London
    Dissolved corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 38 - secretary → ME
  • 53
    6 St James's Square, London
    Corporate (3 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 23 - secretary → ME
  • 54
    ALCAN ALUMINIUM UK LIMITED - 2016-12-20
    BA ALUMINIUM LIMITED - 1993-01-01
    B.A.STORAGE LIMITED - 1989-10-19
    C/o Liberty Speciality Steels 1st Floor, 3 More London Place, London, United Kingdom
    Corporate (2 parents)
    Officer
    2013-03-22 ~ 2016-12-16
    IIF 54 - secretary → ME
  • 55
    ALCAN ALUMINIUM UK PENSION TRUSTEES LIMITED - 2016-12-19
    40 Grosvenor Place, 2nd Floor, London, United Kingdom
    Dissolved corporate (4 parents)
    Equity (Company account)
    2 GBP2019-12-31
    Officer
    2014-08-21 ~ 2016-12-16
    IIF 26 - secretary → ME
  • 56
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 40 - secretary → ME
  • 57
    C/o Aspire Block And Estate Management Limited The Wenta Business Centre, Colne Way, Watford, England
    Corporate (3 parents)
    Equity (Company account)
    6 GBP2024-03-24
    Officer
    2002-10-14 ~ 2003-12-12
    IIF 69 - director → ME
  • 58
    BRITISH ALUMINIUM COMPANY LIMITED(THE) - 1996-02-26
    6 St James's Square, London
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 19 - secretary → ME
  • 59
    6 St James's Square, London, United Kingdom
    Corporate (4 parents)
    Officer
    2014-12-12 ~ 2017-05-05
    IIF 46 - secretary → ME

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Contains public sector information retrieved at 24 April 2025 and licensed under the Open Government Licence v3.0.