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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

Lighterness, Thomas John

child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 13
  • 1
    icon of address 4385, 00241508: Companies House Default Address, Cardiff
    Dissolved Corporate (5 parents)
    Officer
    icon of calendar ~ 1993-12-22
    IIF 7 - Director → ME
  • 2
    MINERALS & OVERSEAS AGENCIES LIMITED - 1953-03-18
    MANDOVAL LIMITED - 2000-08-01
    icon of address Sequel House, The Hart, Farnham, Surrey
    Active Corporate (3 parents)
    Equity (Company account)
    13,000 EUR2022-12-31
    Officer
    icon of calendar ~ 1993-12-14
    IIF 1 - Director → ME
  • 3
    R.T.Z. AUSTRALIA HOLDINGS LIMITED - 1997-06-23
    icon of address 6 St James's Square, London
    Active Corporate (5 parents)
    Officer
    icon of calendar ~ 1993-12-20
    IIF 6 - Director → ME
  • 4
    R.T.Z.BRITAIN FINANCE LIMITED - 1987-05-06
    RTZ EUROPEAN HOLDINGS LIMITED - 1997-06-12
    icon of address 6 St James's Square, London
    Active Corporate (6 parents, 8 offsprings)
    Officer
    icon of calendar ~ 1993-12-21
    IIF 10 - Director → ME
  • 5
    RIO TINTO CANADIAN HOLDINGS LIMITED - 2003-04-02
    RIO TINTO FINANCE HOLDINGS LIMITED - 2013-08-20
    R.T.Z. CANADIAN HOLDINGS LIMITED - 1997-06-23
    icon of address 6 St James's Square, London
    Dissolved Corporate (4 parents)
    Officer
    icon of calendar ~ 1993-12-20
    IIF 4 - Director → ME
  • 6
    RTZ FINANCE PLC - 1997-06-12
    icon of address 6 St James's Square, London
    Active Corporate (6 parents)
    Officer
    icon of calendar ~ 1993-12-21
    IIF 12 - Director → ME
  • 7
    BARRIER CORPORATION LIMITED (THE) - 1978-12-31
    R.T.Z. INTERNATIONAL HOLDINGS LIMITED - 1997-06-12
    icon of address 6 St James's Square, London, United Kingdom
    Active Corporate (6 parents, 31 offsprings)
    Officer
    icon of calendar ~ 1993-12-23
    IIF 3 - Director → ME
  • 8
    RTZ LIMITED - 1997-05-30
    R.T.Z.SERVICES LIMITED - 1986-01-01
    icon of address 6 St James's Square, London, United Kingdom
    Active Corporate (6 parents, 4 offsprings)
    Officer
    icon of calendar ~ 1993-12-21
    IIF 2 - Director → ME
  • 9
    R.T.Z. BRISTOL LIMITED - 1983-12-01
    R.T.Z. METALS LIMITED - 1997-06-12
    IMPERIAL SMELTING CORPORATION(N.S.C.)LIMITED - 1981-12-31
    icon of address 6 St James's Square, London
    Active Corporate (5 parents, 3 offsprings)
    Officer
    icon of calendar ~ 1993-12-10
    IIF 9 - Director → ME
  • 10
    BP MINERALS INTERNATIONAL LIMITED - 1988-07-07
    BP MINERALS DEVELOPMENT LIMITED - 1989-07-12
    SELECTION TRUST LIMITED - 1982-08-16
    icon of address 6 St James's Square, London
    Active Corporate (5 parents, 1 offspring)
    Officer
    icon of calendar ~ 1993-12-23
    IIF 13 - Director → ME
  • 11
    DELABOLE SLATE LIMITED - 1988-10-14
    PERSKIP LIMITED - 1981-12-31
    RTZ MINING AND EXPLORATION LIMITED - 1997-06-25
    icon of address 6 St James's Square, London
    Active Corporate (6 parents)
    Officer
    icon of calendar ~ 1993-12-15
    IIF 5 - Director → ME
  • 12
    R.T.Z.OVERSEAS HOLDINGS LIMITED - 1997-06-12
    icon of address 6 St James's Square, London
    Active Corporate (5 parents)
    Officer
    icon of calendar ~ 1993-12-20
    IIF 11 - Director → ME
  • 13
    R.T.Z. UNITED KINGDOM HOLDINGS LIMITED - 1990-11-30
    R.T.Z. INVESTMENTS LIMITED - 1978-12-31
    RTZ WESTERN HOLDINGS LIMITED - 1997-06-12
    icon of address 6 St James's Square, London, United Kingdom
    Active Corporate (5 parents, 4 offsprings)
    Officer
    icon of calendar ~ 1993-12-23
    IIF 8 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.