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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

Leyland-harris, Jonathan James

    Related profiles found in government register
  • Leyland-harris, Jonathan James
    British director born in January 1986

    Resident in England

    Registered addresses and corresponding companies
    • icon of address Flat 12, Coopers Lodge, 4 Three Oak Lane, London, SE1 2NZ, England

      IIF 1
  • Leyland-harris, Jonathan James
    British financial consultant born in January 1986

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 61 Waverton House, Jodrell Road, London, E3 2LQ, England

      IIF 2
    • icon of address 65, Cadogan Gardens, London, SW3 2RA, England

      IIF 3 IIF 4
    • icon of address Level39, One Canada Square, Canary Wharf, London, E14 5AB, United Kingdom

      IIF 5
  • Mr Jonathan Harris
    British born in January 1986

    Resident in England

    Registered addresses and corresponding companies
    • icon of address 12, Hill Close, Bransgore, Christchurch, Dorset, BH23 8BP, England

      IIF 6
  • Harris, Jonathan
    United Kingdom director born in January 1986

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • icon of address 8, The Stables, Newby Hall, Ripon, HG4 5AE, England

      IIF 7
child relation
Offspring entities and appointments
Active 1
  • 1
    icon of address Carrwood Park, Selby Road, Leeds
    Dissolved Corporate (1 parent)
    Current Assets (Company account)
    56,312 GBP2016-01-31
    Officer
    icon of calendar 2014-01-27 ~ dissolved
    IIF 7 - Director → ME
Ceased 4
  • 1
    ET INDEX LIMITED - 2018-02-19
    icon of address 2nd Floor, Sancroft Rose Street, Paternoster Square, London, United Kingdom
    Active Corporate (4 parents)
    Equity (Company account)
    622,695 GBP2021-05-31
    Officer
    icon of calendar 2014-02-05 ~ 2014-02-11
    IIF 1 - Director → ME
    icon of calendar 2014-03-01 ~ 2015-01-01
    IIF 4 - Director → ME
    icon of calendar 2014-02-05 ~ 2018-04-24
    IIF 5 - Director → ME
  • 2
    ENVIRONMENTAL INVESTMENT ORGANISATION LTD - 2018-10-30
    icon of address Flat 2 Stroud Green Road, London, England
    Dissolved Corporate (2 parents)
    Equity (Company account)
    0 GBP2019-10-31
    Officer
    icon of calendar 2014-10-07 ~ 2018-09-11
    IIF 3 - Director → ME
  • 3
    ET INDEX IP HOLDINGS LTD - 2015-10-21
    ROBIN HOOD ADVENTURES LIMITED - 2015-03-16
    icon of address 61 Waverton House Jodrell Road, London, England
    Dissolved Corporate (1 parent, 1 offspring)
    Total Assets Less Current Liabilities (Company account)
    750,102 GBP2015-06-30
    Officer
    icon of calendar 2015-03-15 ~ 2016-03-21
    IIF 2 - Director → ME
  • 4
    icon of address Devonshire House, Manor Way, Borehamwood, Hertfordshire
    Dissolved Corporate (1 parent)
    Total Assets Less Current Liabilities (Company account)
    1 GBP2017-08-31
    Person with significant control
    icon of calendar 2016-04-06 ~ 2017-09-30
    IIF 6 - Ownership of shares – 75% or more OE

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Contains public sector information retrieved at 16 October 2025 and licensed under the Open Government Licence v3.0.