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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 St.John Dain

Mark St.John Dain is a trustee of Penn Hall School Fund and a director of 10 companies. Source: Companies House and Charity Commission records.

Director at Rhodia Pinax Limited · Director at Cytec UK Holdings Limited

  • 11 current roles
  • 7 previous roles
  • Served alongside 93 people
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Official record Companies House and Charity Commission · updated 11th October 2026

Roles

18 roles across 18 organisations (11 current, 7 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 (11)

Previous roles (7)

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

People Mark has served alongside

93 people across 18 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.

Syensqo Solutions UK Limited 13 people · 1993-present

Rhodia Pinax Limited 11 people · 1992-present

Umeco Limited 11 people · 1992-present

Syensqo International Holdings Limited 10 people · 1993-present

Cytec Industrial Materials (Manchester) Limited 10 people · 1996-present

Syensqo Pharma Solutions Limited 9 people · 1992-present

Cytec Industrial Materials (Derby) Limited 9 people · 1992-present

Syensqo Holdings Limited 7 people · 2022-present

Penn Hall School Fund 6 people · Current

Cytec Engineered Materials Limited 6 people · 2022-present

EMP Technologies Limited 6 people · 2005-present

Cytec UK Holdings Limited 5 people · 2023-present

10665404 5 people · 2022-present

Oldbury Energy Solutions (UK) LTD. 3 people · 2024-present

Eazy Living Limited 1 person · 2017 · current

Rhodia Limited 14 people · 1993-2023

Solvay Interox Limited 11 people · 1993-2023

Solvay UK Holding Company Limited 6 people · 2022-2023

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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