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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 Robert John Tyndall

Mark Robert John Tyndall is a trustee of The Ernest Kleinwort Charitable Trust (since 2023) and a director of 4 companies. Source: Charity Commission and Companies House records.

Trustee at The Ernest Kleinwort Charitable Trust · Director at Earba Limited

  • 5 current roles
  • 26 previous roles
  • Served alongside 203 people
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Official record Charity Commission and Companies House · updated 11th October 2026

Roles

31 roles across 30 organisations (5 current, 26 previous)

Current roles (5)

Previous roles (26)

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

People Mark has served alongside

203 people across 22 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.

Artemis Investment Management LLP 40 people · 2010-present

Tusk Trust Limited 13 people · 2019-present

The Ernest Kleinwort Charitable Trust 8 people · 2023-present

Arrow Bidco Limited 8 people · 2010-present

Bilston Glen Estates Limited 5 people · 2010-present

Tusk Trust Trading Limited 4 people · 2014-present

Charles EDE Limited 4 people · 2013-present

GHI Holdings Limited 4 people · 2020-present

Earba Limited 4 people · 2023-present

Fearna Storage Limited 4 people · 2023-present

Columbia Threadneedle AM (Holdings) Limited 23 people · 1990-1999

Ionica Limited 21 people · 1993-2007

Filofax Group Limited 20 people · 1992-2015

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