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The red node is John. 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

John Edward Barker

John Edward Barker is a director of 1 company and holds 1 other current role. Source: Companies House records.

Director at Trebartha Hydro LTD · Llp-member at Nomina NO 148 LLP

  • 2 current roles
  • 2 previous roles
  • Served alongside 125 people
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Official record Companies House · updated 11th October 2026

Roles

4 roles across 4 organisations (2 current, 2 previous)

Current roles (2)

  • Trebartha Hydro LTD
    Director · 2014-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Trebartha Hydro LTD
    Role
    Director
    Appointed
    2014-04-30
    Record reference
    Company 08738852
    Current
  • Nomina NO 148 LLP
    Llp-member · 2006-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Nomina NO 148 LLP
    Role
    Llp-member
    Appointed
    2006-09-08
    Record reference
    Company OC322284
    Current

Previous roles (2)

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

People John has served alongside

125 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.

Trebartha Hydro LTD 6 people · 2014-present

Nomina NO 148 LLP 3 people · 2006-present

Orwell Park School Educational Trust Limited 69 people · 1991-2025

Haskoning UK Limited 47 people · 1992-2025

People marked “Likely the same person” are reached through a Companies House or charity record matched to John by name and other evidence, not by a confirmed date of birth.

Sources

Companies House
Officer appointments and resignations.
Edition
Register edition compiled 11th October 2026
Identity
Records are treated as the same person only where the evidence confirms it. How people are matched

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