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The red node is Martin. 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

Martin Graham Johnson

Martin Graham Johnson is a director of 7 companies and holds 2 other current roles. Source: Companies House records.

Director at Cidron Neptune Topco Limited · Director at Cidron Neptune Midco Limited

  • 9 current roles
  • 13 previous roles
  • Served alongside 40 people
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Official record Companies House · updated 11th October 2026

Roles

22 roles across 22 organisations (9 current, 13 previous)

Current roles (9)

Previous roles (13)

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

People Martin has served alongside

40 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.

Great Rail Journeys Holdings Limited 13 people · 2006-present

Great Rail Journeys Limited 12 people · 2006-present

GRJ (Transport) Limited 12 people · 2006-present

Great Rail Journeys Partnership Limited 12 people · 2006-present

Thomas Topco Limited 10 people · 2013-present

Thomas Midco Limited 10 people · 2013-present

Thomas Bidco Limited 10 people · 2013-present

Jptr Topco Limited 7 people · 2019-present

Jptr Midco Limited 7 people · 2019-present

Jptr Bidco Limited 7 people · 2019-present

Spamedica LTD 6 people · 2019-present

Bucharest Topco Limited 5 people · 2018-present

Bucharest Bidco Limited 5 people · 2018-present

Cidron Neptune Topco Limited 5 people · 2024-present

Cidron Neptune Midco Limited 5 people · 2024-present

Cidron Neptune Bidco Limited 5 people · 2024-present

Team Fostering 4 people · 2023-present

Team Fostering North East 4 people · 2023-present

Bucharest Holdco Limited 4 people · 2018-present

Bucharest Midco Limited 4 people · 2018-present

Itinerary Limited 9 people · 1995-2008

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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