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The red node is Mark. 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

Mark Washer

Mark Washer is a trustee of Pallant House Gallery (since 2022) and Leadership 2025 (since 2021) and a director of 5 companies. Source: Companies House and Charity Commission records.

Director at Network Treasury Services Limited · Trustee at Pallant House Gallery

  • 7 current roles
  • 27 previous roles
  • Served alongside 5 people
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Official record Companies House and Charity Commission · updated 18th October 2026

Roles

34 roles across 34 organisations (7 current, 27 previous)

Rows marked “Likely the same person” come from a record that is a likely relationship: there is sufficient evidence to suggest it concerns the same individual, but it is not established as confirmed. The appointment itself still comes from its official source.

Current roles (7)

  • Network Treasury Services Limited
    Director · 2025-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Network Treasury Services Limited
    Role
    Director
    Appointed
    2025-04-01
    Record reference
    Company 06424065
    Likely the same personCurrent
  • Pallant House Gallery
    Trustee · 2022-present
    Official record · Charity Commission
    Source
    Charity Commission
    Organisation
    Pallant House Gallery
    Role
    Trustee
    Appointed
    2022-03-25
    Record reference
    Charity 1102435
    Likely the same personCurrent
  • Pallant House Gallery
    Director · 2022-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Pallant House Gallery
    Role
    Director
    Appointed
    2022-03-25
    Record reference
    Company 05045130
    Likely the same personCurrent
  • Bluestorm Limited
    Director · 2021-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Bluestorm Limited
    Role
    Director
    Appointed
    2021-11-21
    Record reference
    Company 03493991
    Likely the same personCurrent
  • Leadership 2025
    Trustee · 2021-present
    Official record · Charity Commission
    Source
    Charity Commission
    Organisation
    Leadership 2025
    Role
    Trustee
    Appointed
    2021-04-01
    Record reference
    Charity 1191851
    Current
  • Sovereign Advances Limited
    Director · 2018-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Sovereign Advances Limited
    Role
    Director
    Appointed
    2018-06-18
    Record reference
    Company 06927929
    Likely the same personCurrent
  • Sovereign Housing Capital PLC
    Director · 2018-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Sovereign Housing Capital PLC
    Role
    Director
    Appointed
    2018-06-18
    Record reference
    Company 06992513
    Likely the same personCurrent

Previous roles (27)

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 Mark has served alongside

5 people across 1 organisation

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.

Leadership 2025 5 people · 2021-present

Sources

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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