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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

St John, Hugh David, Dr

    Related profiles found in government register
  • St John, Hugh David, Dr
    British born in August 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • Court Cottage, Lodge Hill Lane, Ditchling, Hassocks, BN6 8SP, England

      IIF 1
    • Court Cottage, Lodge Hill Lane, Ditchling, Hassocks, West Sussex, BN6 8SP, England

      IIF 2
    • 52a, Cromwell Road, London, SW7 5BE, United Kingdom

      IIF 3
  • St John, Hugh David, Dr
    British engineer born in August 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 24 Cedar Road, Oxhey, Watford, Hertfordshoire, WD19 4QW

      IIF 4
  • St John, Hugh David, Dr
    British none born in August 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 52a, Cromwell Road, London, SW7 5BE, United Kingdom

      IIF 5
  • St John, Hugh David, Dr
    born in August 1949

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 52a, Cromwell Road, London, SW7 5BE

      IIF 6
    • 52a, Cromwell Road, London, SW7 5BE, United Kingdom

      IIF 7
child relation
Offspring entities and appointments 5
  • 1
    GCG (1983) LIMITED
    - now 01606339 OC356005... (more)
    GEOTECHNICAL CONSULTING GROUP LIMITED
    - 2010-10-22 01606339 OC356005
    CONICDEAL
    - 1983-01-07 01606339
    Griffins Tavistock House South, Tavistock Square, London
    Dissolved Corporate (16 parents)
    Officer
    ~ dissolved
    IIF 4 - Director → ME
  • 2
    GCG (IP) LIMITED
    07298121
    Floor 3 150 Brompton Road, London, United Kingdom
    Active Corporate (9 parents)
    Officer
    2010-06-29 ~ 2015-12-11
    IIF 3 - Director → ME
  • 3
    GCG COMPUTING LIMITED
    - now 07298070 01865820
    GCG 2010 LIMITED
    - 2010-10-22 07298070 01865820... (more)
    Floor 3 150 Brompton Road, London, United Kingdom
    Active Corporate (9 parents)
    Officer
    2010-06-29 ~ 2015-12-11
    IIF 5 - Director → ME
  • 4
    GEOTECHNICAL CONSULTING GROUP LLP
    - now OC356005 01606339
    GCG (1983) LLP
    - 2010-10-22 OC356005 01606339... (more)
    Floor 3 150 Brompton Road, London, United Kingdom
    Active Corporate (28 parents, 2 offsprings)
    Officer
    2010-06-28 ~ 2015-12-11
    IIF 6 - LLP Designated Member → ME
    2015-12-11 ~ 2020-03-31
    IIF 7 - LLP Member → ME
  • 5
    THE FRIENDS OF DITCHLING
    05724504
    Mr C J Marshall, Court Cottage Lodge Hill Lane, Ditchling, Hassocks, West Sussex, England
    Active Corporate (15 parents)
    Officer
    2025-12-19 ~ now
    IIF 2 - Director → ME
    2025-10-25 ~ 2025-12-18
    IIF 1 - Director → ME

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