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The red node is Sebastian. 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

Sebastian Mattern

Sebastian Mattern was previously a director of 10123401 (until 2026) and 1 other organisation. Source: Companies House records.

Director at Electra HR LTD · Director at 10123401

  • 0 current roles
  • 2 previous roles
  • Served alongside 3 people
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Official record Companies House · updated 11th October 2026

Roles

2 roles across 2 organisations (0 current, 2 previous)

Previous roles (2)

  • Electra HR LTD
    Director · 2020-2021
    Official record · Companies House
    Source
    Companies House
    Organisation
    Electra HR LTD
    Role
    Director
    Appointed
    2020-03-17
    Ended
    2021-06-03
    Record reference
    Company 11077627
    Previous
  • 10123401
    Director · 2016-2026
    Official record · Companies House
    Source
    Companies House
    Organisation
    10123401
    Role
    Director
    Appointed
    2016-04-14
    Ended
    2026-04-16
    Record reference
    Company 10123401
    Previous

Company roles, current and past, as filed at Companies House.

People Sebastian has served alongside

3 people across 2 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.

10123401 2 people · 2024-present

Electra HR LTD 1 person · 2020-2021 · current

Sources

Companies House
Officer appointments and resignations.
Edition
Register edition compiled 11th 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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