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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

Leathes, Simon William De Mussenden

    Related profiles found in government register
  • Leathes, Simon William De Mussenden
    British company director born in February 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
  • Leathes, Simon William De Mussenden
    British investment banker born in February 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • C/o The Secretary Kier Group Plc, Tempsford Hall, Sandy, Bedfordshire, SG19 2BD

      IIF 5 IIF 6
  • Leathes, Simon William De Mussenden
    British non-executive director born in February 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 8, Canada Square, London, E14 5HQ, United Kingdom

      IIF 7
  • Leathes, Simon William De Mussenden, Mr.
    British company director born in February 1948

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 11th Floor, 6 Bevis Marks, London, EC3A 7BA, England

      IIF 8 IIF 9
  • Leathes, Simon William De Mussenden
    British company director born in February 1948

    Resident in England

    Registered addresses and corresponding companies
    • 6, Bevis Marks, 11th Floor, London, EC3A 7BA, England

      IIF 10
  • Leathes, Simon William De Mussenden
    British born in February 1948

    Registered addresses and corresponding companies
    • 19 Lauriston Road, Wimbledon, London, SW19 4TJ

      IIF 11
  • Leathes, Simon William De Mussenden
    British banker born in February 1948

    Registered addresses and corresponding companies
  • Leathes, Simon William De Mussenden
    British banking born in February 1948

    Registered addresses and corresponding companies
  • Leathes, Simon William De Mussenden
    British director born in February 1948

    Registered addresses and corresponding companies
    • 19 Lauriston Road, Wimbledon, London, SW19 4TJ

      IIF 20 IIF 21
  • Leathes, Simon William De Mussenden
    British investment banker born in February 1948

    Registered addresses and corresponding companies
  • Leathes, Simon William De Mussenden
    British manager finance born in February 1948

    Registered addresses and corresponding companies
    • 19 Lauriston Road, Wimbledon, London, SW19 4TJ

      IIF 48
child relation
Offspring entities and appointments
Active 2
Ceased 46

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