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The red node is Sian. 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

Sian Llinos Williams

Sian Llinos Williams is a trustee of Derek Williams Trust (since 2018), Colwinston Charitable Trust (since 2014) and 1 other charity. Source: Charity Commission and Companies House records.

Trustee at Derek Williams Trust · Trustee at Colwinston Charitable Trust

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

Roles

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

Current roles (3)

Previous roles (1)

  • Geldards LLP
    Llp-member · 2005-2014
    Official record · Companies House
    Source
    Companies House
    Organisation
    Geldards LLP
    Role
    Llp-member
    Appointed
    2005-11-01
    Ended
    2014-07-31
    Record reference
    Company OC313172
    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 Sian 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.

Geldards LLP 36 people · 2005-present

Derek Williams Trust 6 people · 2018-present

Colwinston Charitable Trust 5 people · 2014-present

Myristica Trust 2 people · Current

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

Sources

Charity Commission
Register of Charities: current trustees and appointment dates.
Companies House
Officer appointments and resignations.
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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