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The red node is Alastair. 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

Alastair Barron

Alastair Barron is a trustee of Portsmouth and Winchester Diocesan Board of Education (since 2024), Trinity Winchester (since 2020) and 1 other charity, a director of 4 companies and holds 1 other current role. Source: Companies House and Charity Commission records.

Director at Simply Stem Limited · Trustee at Portsmouth and Winchester Diocesan Board of Education

  • 8 current roles
  • 1 previous role
  • Served alongside 113 people
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Official record Companies House and Charity Commission · updated 18th October 2026

Roles

9 roles across 9 organisations (8 current, 1 previous)

Current roles (8)

Previous roles (1)

  • Sitigrid LTD
    Director · 2020-2021
    Official record · Companies House
    Source
    Companies House
    Organisation
    Sitigrid LTD
    Role
    Director
    Appointed
    2020-12-09
    Ended
    2021-12-06
    Record reference
    Company 12360574
    Previous

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 Alastair has served alongside

113 people across 6 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 Winchester Diocesan Board of Finance 66 people · 1992-present

Trinity Winchester 20 people · 2020-present

The Risk and Security Management Forum 16 people · 1993-present

Winchester Diocesan Board of Finance 13 people · 2016-present

Sitigrid LTD 5 people · 2020-present

Simply Stem Limited 3 people · 2024-present

People marked “Likely the same person” are reached through a record that is a likely relationship to Alastair: 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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