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The red node is Helen. 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

Helen Claire Johnson

Helen Claire Johnson is a director of 1 company. Source: Companies House records.

Director at Surge Protection Devices Limited

  • 1 current role
  • 1 previous role
  • Served alongside 8 people
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Official record Companies House · updated 11th October 2026

Roles

2 roles across 1 organisation (1 current, 1 previous)

Current roles (1)

Previous roles (1)

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

People Helen has served alongside

8 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.

Surge Protection Devices Limited 8 people · 2007-present

Sources

Companies House
Officer appointments and resignations.
Edition
Register edition compiled 11th October 2026
Identity
Records are treated as the same person only where the evidence confirms it. How people are matched

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