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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

Roberts, John Anthony, Dr

    Related profiles found in government register
  • Roberts, John Anthony, Dr
    British director born in July 1969

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 4 Sopwith Way, Drayton Fields Industrial Estate, Daventry, Northamptonshire, NN11 8PB, United Kingdom

      IIF 1
  • Roberts, John Anthony, Dr
    British geologist born in July 1969

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 52c, Borough High Street, London, SE1 1XN, England

      IIF 2
    • Lynton House, 7-12 Tavistock Square, London, WC1H 9LT, United Kingdom

      IIF 3
child relation
Offspring entities and appointments 3
  • 1
    BARNROCK LTD - now
    GEOTEK SERVICES LIMITED - 2022-01-04
    GEOTEK LIMITED
    - 2017-05-11 02923587 10612823... (more)
    JOLTMARKET LIMITED - 1994-05-11
    Menzies Llp, 4th Floor, 95 Gresham Street, London
    Liquidation Corporate (10 parents)
    Officer
    2000-05-01 ~ 2017-04-30
    IIF 3 - Director → ME
  • 2
    GEOTEK CORING LIMITED
    - now 02810844
    GEOTEK COMMUNICATIONS LIMITED
    - 2015-01-21 02810844
    JOLTGIFT LIMITED - 1997-07-30
    52c Borough High Street, London, England
    Active Corporate (20 parents)
    Officer
    2015-01-06 ~ 2022-05-20
    IIF 2 - Director → ME
  • 3
    GEOTEK LIMITED
    - now 10612823 02923587... (more)
    GEOTEL LIMITED
    - 2017-05-11 10612823
    GEOTEK SERVICES LIMITED
    - 2017-05-09 10612823 02923587... (more)
    52c Borough High Street, London, England
    Active Corporate (16 parents, 2 offsprings)
    Officer
    2017-02-10 ~ 2022-05-20
    IIF 1 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.