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The red node is Charles. 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

Charles John Arthur Holroyd

Charles John Arthur Holroyd is a trustee of The Charitable and Educational Trust of the Company of Scientific Instrument Makers (since 2025) and a director of 3 companies. Source: Charity Commission and Companies House records.

Chair at The Charitable and Educational Trust of the Company of Scientific Instrument Makers · Director at Glaziers Hall Limited

  • 4 current roles
  • 16 previous roles
  • Served alongside 157 people
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Official record Charity Commission and Companies House · updated 18th October 2026

Roles

20 roles across 20 organisations (4 current, 16 previous)

Current roles (4)

Previous roles (16)

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 Charles has served alongside

157 people across 20 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.

Scientific Instrument Makers Hall Limited 24 people · 1991-present

Glaziers Hall Limited 18 people · 1994-present

Judges Scientific PLC 12 people · 2018-present

The Charitable and Educational Trust of the Company of Scientific Instrument Makers 7 people · 2025-present

Oxford Instruments Nanotechnology Tools Limited 17 people · 1991-2018

Oxford Instruments PLC 17 people · 1995-2013

Oxford Instruments Industrial Products Limited 16 people · 1991-2018

Dewhurst Group Limited 13 people · 1992-2025

Oxford Instruments Industrial Products Holdings Limited 12 people · 2000-2015

Neepsend Limited 9 people · 1993-1999

United (Minster) Limited 9 people · 1993-1999

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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