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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 James Platt

    Related profiles found in government register
  • Mr Simon James Platt
    British born in May 1958

    Resident in England

    Registered addresses and corresponding companies
    • Old Sleningford Farm, North Stainley, Ripon, North Yorkshire, HG4 3JB, United Kingdom

      IIF 1
    • Unit S, Old Sleningford Farm, Mickley, Ripon, North Yorkshire, HG4 3JB

      IIF 2
  • Platt, Simon James
    British born in May 1958

    Resident in England

    Registered addresses and corresponding companies
    • Mount Pleasant Cottage, Mickley, Ripon, HG4 3JE, England

      IIF 3
  • Platt, Simon James
    British director born in May 1958

    Resident in England

    Registered addresses and corresponding companies
    • Old Sleningford Farm, North Stainley, Ripon, North Yorkshire, HG4 3JB, United Kingdom

      IIF 4
  • Platt, Simon James
    British engineer born in May 1958

    Resident in England

    Registered addresses and corresponding companies
    • Mount Pleasant Cottage, Mickley, Ripon, North Yorkshire, HG4 3JE, United Kingdom

      IIF 5
  • Platt, Simon James
    British engineer

    Registered addresses and corresponding companies
    • South View, Grewelthorpe, Ripon, North Yorkshire, HG4 3BS

      IIF 6
child relation
Offspring entities and appointments
Active 1
  • 1
    Grewelthorpe Village Hall Lake Terrace, Grewelthorpe, Ripon, England
    Active Corporate (9 parents)
    Equity (Company account)
    593,033 GBP2024-11-30
    Officer
    2025-03-25 ~ now
    IIF 3 - Director → ME
Ceased 2
  • 1
    AQUARIUS RAIL LTD
    Appointment / Control
    Old Sleningford Farm, North Stainley, Ripon, North Yorkshire, United Kingdom
    Active Corporate (3 parents)
    Equity (Company account)
    1 GBP2024-09-30
    Officer
    2021-04-14 ~ 2021-10-08
    IIF 4 - Director → ME
    Person with significant control
    2021-04-14 ~ 2021-04-14
    IIF 1 - Has significant influence or control OE
  • 2
    AQUARIUS RAILROAD TECHNOLOGIES LIMITED
    - now Appointment / Control
    Other registered number: 13678729
    ARIES RAILROAD TECHNOLOGIES (EUROPE) LIMITED - 2000-12-29 Appointment / Control
    Unit S Old Sleningford Farm, Mickley, Ripon, North Yorkshire
    Active Corporate (4 parents, 1 offspring)
    Equity (Company account)
    558,498 GBP2024-01-31
    Officer
    1999-01-06 ~ 2021-06-16
    IIF 5 - Director → ME
    1999-01-06 ~ 2000-11-10
    IIF 6 - Secretary → ME
    Person with significant control
    2016-04-06 ~ 2021-06-16
    IIF 2 - Ownership of shares – 75% or more as a member of a firm OE
    IIF 2 - Right to appoint or remove directors OE
    IIF 2 - Has significant influence or control as a member of a firm OE
    IIF 2 - Ownership of shares – 75% or more with control over the trustees of a trust OE
    IIF 2 - Ownership of voting rights - 75% or more with control over the trustees of a trust OE
    IIF 2 - Ownership of voting rights - 75% or more as a member of a firm OE
    IIF 2 - Ownership of shares – 75% or more OE
    IIF 2 - Ownership of voting rights - 75% or more OE

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