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The red node is Sean. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Dashed links are historical or inferred. Click any node to explore.

Person

Sean Edward Costello

Sean Edward Costello is a trustee of The Royal School of Church Music (since 2023) and a director of 2 companies. Source: Companies House and Charity Commission records.

Director at Next Steps Trading Limited · Director at The Royal School of Church Music

  • 3 current roles
  • 1 previous role
  • Served alongside 49 people
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Official record Companies House and Charity Commission · updated 18th October 2026

Roles

4 roles across 4 organisations (3 current, 1 previous)

Current roles (3)

Previous roles (1)

Charity trustee roles come from the current Charity Commission register, which lists serving trustees only. Company roles, current and past, come from Companies House.

People Sean has served alongside

49 people across 4 organisations

Based on overlapping official board records. Calculated from official records It does not mean they know each other. Only formal co-service is listed: people are never joined on a matching name alone.

The Royal School of Church Music 43 people · 1991-present

The Royal School of Church Music 11 people · 2023-present

Melrose Management Limited 3 people · 2014-2021

Next Steps Trading Limited 1 person · 2025-2026

People marked “Likely the same person” are reached through a record that is a likely relationship to Sean: there is sufficient evidence to suggest it concerns the same individual, but it is not established as confirmed.

Sources

Companies House
Officer appointments and resignations.
Charity Commission
Register of Charities: current trustees and appointment dates.
Edition
Register edition compiled 18th October 2026
Identity
Records are treated as the same person only where our identity-matching rules support it. Confirmed relationships are supported by the approved identity-matching evidence and rules. Likely relationships are supported by sufficient evidence to suggest the records concern the same individual, but are not established as confirmed; they are shown with the label “Likely the same person”. How people are matched

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