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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.

Jump to: Offsprings
Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Mr Sean Edward Costello

    Related profiles found in government register
  • Mr Sean Edward Costello
    British born in December 1985

    Resident in England

    Registered addresses and corresponding companies
    • 47, Melrose Avenue, London, NW2 4LH, England

      IIF 1
  • Mr Sean Edward Costello
    Irish born in December 1985

    Resident in England

    Registered addresses and corresponding companies
    • 1, Fleetwood Road, London, NW10 1NB, England

      IIF 2
  • Costello, Sean Edward
    Irish born in December 1985

    Resident in England

    Registered addresses and corresponding companies
    • 1, Fleetwood Road, London, NW10 1NB, England

      IIF 3
    • 19 The Close, Salisbury, Wiltshire, SP1 2EB

      IIF 4
  • Costello, Sean Edward
    British teacher born in December 1985

    Resident in United Kingdom

    Registered addresses and corresponding companies
    • 47, Melrose Avenue, London, NW2 4LH, England

      IIF 5
child relation
Offspring entities and appointments 3
  • 1
    MELROSE MANAGEMENT LIMITED
    02770880
    Flat 1 47 Melrose Avenue, London, England
    Active Corporate (11 parents)
    Officer
    2014-03-31 ~ 2021-04-14
    IIF 5 - Director → ME
    Person with significant control
    2018-12-17 ~ 2021-04-14
    IIF 1 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 1 - Ownership of shares – More than 25% but not more than 50% OE
  • 2
    NEXT STEPS TRADING LIMITED
    16523637
    8 Norwood Crescent, Birkenshaw, Bradford, England
    Active Corporate (2 parents)
    Officer
    2025-06-17 ~ now
    IIF 3 - Director → ME
    Person with significant control
    2025-06-17 ~ now
    IIF 2 - Right to appoint or remove directors OE
    IIF 2 - Ownership of voting rights - More than 25% but not more than 50% OE
    IIF 2 - Ownership of shares – More than 25% but not more than 50% OE
  • 3
    ROYAL SCHOOL OF CHURCH MUSIC(THE)
    00250031
    19 The Close, Salisbury, Wiltshire
    Active Corporate (108 parents, 1 offspring)
    Officer
    2023-10-03 ~ now
    IIF 4 - Director → ME

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Contains public sector information retrieved at 22 March 2026 and licensed under the Open Government Licence v3.0.