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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 Simon John Mason

    Related profiles found in government register
  • Mr Simon John Mason
    British born in December 1952

    Resident in England

    Registered addresses and corresponding companies
    • 43, Overstone Road, London, W6 0AD

      IIF 1
  • Mason, Simon John
    British company executive born in December 1952

    Resident in England

    Registered addresses and corresponding companies
    • 95 St Albans Avenue, Chiswick, London, W4 5JS

      IIF 2
  • Mason, Simon John
    British consultant born in December 1952

    Resident in England

    Registered addresses and corresponding companies
    • 95 St Albans Avenue, Chiswick, London, W4 5JS

      IIF 3
  • Mason, Simon John
    British property director born in December 1952

    Resident in England

    Registered addresses and corresponding companies
    • Pierhead, King George V Lock, Woolwich Manor Way, London, E16 2NJ, United Kingdom

      IIF 4
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 3
  • 1
    ARROWSAVE LIMITED - 1986-12-05
    The Royal Horticultural Society, 80 Vincent Square, London
    Active Corporate (3 parents)
    Equity (Company account)
    10,000 GBP2025-01-31
    Officer
    2000-05-17 ~ 2006-07-17
    IIF 2 - Director → ME
  • 2
    SORTGAIN LIMITED - 1989-04-20
    Pierhead, King George V Lock, Fishguard Way, London, England
    Active Corporate (11 parents)
    Equity (Company account)
    147,204 GBP2025-03-31
    Officer
    2008-07-02 ~ 2010-10-11
    IIF 4 - Director → ME
  • 3
    SEXTANT MARKETING LIMITED - 2001-10-25
    Unit 420, Chinaworks Black Prince Road, London, England
    Active Corporate (6 parents, 1 offspring)
    Equity (Company account)
    1,899,604 GBP2021-12-31
    Officer
    1991-04-04 ~ 2017-03-31
    IIF 3 - Director → ME
    Person with significant control
    2016-04-06 ~ 2017-07-14
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE

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