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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

Witthoft, Delwin Gunther

child relation
Offspring entities and appointments
Active 3
  • 1
    2 Eastbourne Terrace, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2014-03-05 ~ dissolved
    IIF 26 - Director → ME
  • 2
    RIO TINTO ALUMINIUM HOLDINGS LIMITED - 2006-11-06
    R.T.Z. ALUMINIUM HOLDINGS LIMITED - 1997-07-08
    2 Eastbourne Terrace, London
    Dissolved Corporate (3 parents)
    Officer
    2014-03-05 ~ dissolved
    IIF 3 - Director → ME
  • 3
    2 Eastbourne Terrace, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2014-03-05 ~ dissolved
    IIF 27 - Director → ME
Ceased 25
  • 1
    8 Cumbrian House, Marsh Wall, London, England
    Active Corporate (5 parents)
    Equity (Company account)
    20,007 GBP2024-12-24
    Officer
    2010-04-27 ~ 2016-06-17
    IIF 20 - Director → ME
  • 2
    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
    2014-03-05 ~ 2015-04-17
    IIF 19 - Director → ME
  • 3
    5 C/o Leonard Scudder, Berkeley Rowe, Merchant Square, London, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    2,039,372 GBP2024-12-31
    Officer
    2014-04-11 ~ 2015-04-17
    IIF 28 - Director → ME
  • 4
    R.T.Z. AUSTRALIA HOLDINGS LIMITED - 1997-06-23
    6 St James's Square, London
    Active Corporate (5 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 6 - Director → ME
  • 5
    ORLINPOINT LIMITED - 2012-03-20
    6 St James's Square, London
    Active Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 4 - Director → ME
  • 6
    SUMMERWAND LIMITED - 2004-02-03
    6 St James's Square, London
    Dissolved Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 11 - Director → ME
  • 7
    SUMMERVANISH LIMITED - 2004-01-21
    6 St James's Square, London
    Dissolved Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 16 - Director → ME
  • 8
    6 St James's Square, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2014-05-31 ~ 2015-04-17
    IIF 12 - Director → ME
  • 9
    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
    Active Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 9 - Director → ME
  • 10
    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
    2014-03-05 ~ 2015-04-17
    IIF 15 - Director → ME
  • 11
    SELTRUST INVESTMENTS,LIMITED - 1989-07-21
    6 St James's Square, London
    Dissolved Corporate (3 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 18 - Director → ME
  • 12
    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
    Active Corporate (5 parents, 3 offsprings)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 7 - Director → ME
  • 13
    R.T.Z. NOMINEES LIMITED - 1997-06-05
    6 St James's Square, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 14 - Director → ME
  • 14
    R.T.Z.OVERSEAS HOLDINGS LIMITED - 1997-06-12
    6 St James's Square, London
    Active Corporate (5 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 8 - Director → ME
  • 15
    R.T.Z. PENSION INVESTMENTS LIMITED - 1997-06-25
    6 St James's Square, London
    Dissolved Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 17 - Director → ME
  • 16
    6 St James's Square, London, United Kingdom
    Dissolved Corporate (3 parents)
    Officer
    2014-05-31 ~ 2015-04-17
    IIF 13 - Director → ME
  • 17
    6 St James's Square, London
    Active Corporate (4 parents)
    Officer
    2014-09-15 ~ 2015-04-17
    IIF 22 - Director → ME
  • 18
    RIO TINTO TECHNOLOGY RESOURCES UK LIMITED - 2012-10-29
    6 St James's Square, London
    Active Corporate (4 parents)
    Officer
    2014-05-17 ~ 2015-04-17
    IIF 21 - Director → ME
  • 19
    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
    2015-01-31 ~ 2015-04-17
    IIF 1 - Director → ME
  • 20
    RIO TINTO URANIUM LIMITED - 2011-10-03
    6 St James's Square, London
    Dissolved Corporate (6 parents)
    Officer
    2015-01-31 ~ 2015-04-17
    IIF 2 - Director → ME
  • 21
    6 St James's Square, London
    Active Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 24 - Director → ME
  • 22
    6 St James's Square, London, United Kingdom
    Active Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 25 - Director → ME
  • 23
    25 Farringdon Street, London
    Dissolved Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 5 - Director → ME
  • 24
    6 St James's Square, London
    Dissolved Corporate (4 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 23 - Director → ME
  • 25
    6 St James's Square, London
    Active Corporate (3 parents)
    Officer
    2014-03-05 ~ 2015-04-17
    IIF 10 - Director → ME

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