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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

Mr Jan Quentin Cottrell Robjohn

    Related profiles found in government register
  • Mr Jan Quentin Cottrell Robjohn
    British born in December 1954

    Resident in England

    Registered addresses and corresponding companies
    • 4th Floor Tuition House, 27/37 St George's Road, Wimbledon, London, SW19 4EU, England

      IIF 1
  • Robjohn, Jan Quentin Cottrell
    British consultant born in December 1954

    Resident in England

    Registered addresses and corresponding companies
    • 4th Floor Tuition House, 27/37 St George's Road, Wimbledon, London, SW19 4EU, England

      IIF 2
  • Robjohn, Jan Quentin
    British consultant born in December 1954

    Resident in England

    Registered addresses and corresponding companies
    • 12, Savery Drive, St James Park, Surbiton, Surrey, KT6 5HR, United Kingdom

      IIF 3
  • Robjohn, Jan Quentin
    British managing director born in December 1954

    Resident in England

    Registered addresses and corresponding companies
    • Salhouse Road, Norwich, NR7 9AY

      IIF 4
child relation
Offspring entities and appointments
Active 2
  • 1
    4th Floor Tuition House, 27/37 St George's Road Wimbledon, London
    Dissolved Corporate (1 parent)
    Officer
    2010-06-22 ~ dissolved
    IIF 3 - Director → ME
  • 2
    52 Ravensfield Gardens, Epsom, Surrey
    Dissolved Corporate (2 parents)
    Officer
    2014-05-15 ~ dissolved
    IIF 2 - Director → ME
    Person with significant control
    2016-04-06 ~ dissolved
    IIF 1 - Ownership of shares – More than 25% but not more than 50%OE
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50%OE
Ceased 1
  • 1
    DEFENCE EQUIPMENT AND SYSTEMS LIMITED - 1991-08-23
    NOTCHLOOK LIMITED - 1988-04-29
    NORCAST LIMITED - 1987-09-03
    LAURENCE SCOTT LIMITED - 1986-08-01
    Salhouse Road, Norwich
    Active Corporate (11 parents)
    Officer
    2017-11-01 ~ 2019-02-27
    IIF 4 - Director → ME

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