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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

Dr Anthony James Lister Crook

    Related profiles found in government register
  • Dr Anthony James Lister Crook
    British born in May 1960

    Resident in Wales

    Registered addresses and corresponding companies
    • Roseleigh 115, Sandy Lane, Parkmill, Swansea, SA3 2EN

      IIF 1
  • Crook, Anthony James Lister, Dr
    British born in May 1960

    Resident in Wales

    Registered addresses and corresponding companies
    • Roseleigh 115, Sandy Lane, Parkmill, Swansea, SA3 2EN, United Kingdom

      IIF 2
  • Crook, Anthony James Lister, Doctor
    British born in May 1960

    Registered addresses and corresponding companies
    • 43 Southward Lane, Newton, Swansea, SA3 4QD

      IIF 3
  • Crook, Anthony James Lister, Doctor
    British director born in May 1960

    Registered addresses and corresponding companies
    • 43 Southward Lane, Newton, Swansea, SA3 4QD

      IIF 4
  • Crook, Anthony James Lister
    British company director born in May 1942

    Registered addresses and corresponding companies
    • 43 Southward Lane, Newton, Swansea, West Glamorgan, SA3 4QD

      IIF 5
child relation
Offspring entities and appointments 4
  • 1
    ROCKFIELD HOLDINGS LIMITED
    03883941
    Innovation Matrix, Kings Road, Swansea, Swansea, Wales
    Active Corporate (15 parents, 1 offspring)
    Officer
    1999-11-25 ~ 2008-09-01
    IIF 3 - Director → ME
  • 2
    ROCKFIELD SOFTWARE LIMITED
    - now 01944544
    TECHODYNE LIMITED - 1985-11-18
    Innovation Matrix, Innovation Matrix, Swansea, Swansea, Wales
    Active Corporate (16 parents)
    Officer
    1992-06-22 ~ 2009-11-23
    IIF 4 - Director → ME
  • 3
    ROCKFIELD TECHNOLOGY U.K. LTD
    03883975
    The Ethos Building Kings Road, Prince Of Wales Dock, Swansea, Uk
    Dissolved Corporate (6 parents)
    Officer
    1999-11-25 ~ 2008-09-01
    IIF 5 - Director → ME
  • 4
    THREE CLIFFS GEOMECHANICAL ANALYSIS LIMITED
    06522383
    Roseleigh 115 Sandy Lane, Parkmill, Swansea
    Active Corporate (2 parents)
    Officer
    2008-03-04 ~ now
    IIF 2 - Director → ME
    Person with significant control
    2017-03-04 ~ now
    IIF 1 - Ownership of shares – 75% or more OE

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