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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 Alexander Whitehead

Mark Alexander Whitehead is a director of 12 companies. Source: Companies House records.

Director at Keithick Biogas Limited · Director at Thornfield 008 Limited

  • 12 current roles
  • 9 previous roles
  • Served alongside 54 people
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Official record Companies House · updated 11th October 2026

Roles

21 roles across 21 organisations (12 current, 9 previous)

Current roles (12)

Previous roles (9)

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

People Mark has served alongside

54 people across 21 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.

Ullswater Yacht Club Limited 23 people · 2021-present

UYC Services Limited 9 people · 2024-present

Kanadevia Inova Biogas ST Boswells LTD 6 people · 2024-present

Kanadevia Inova Biogas Wardley Limited 5 people · 2025-present

Keithick Biogas Limited 4 people · 2025-present

Kanadevia Inova Biogas Lower Drayton Limited 4 people · 2025-present

Melton Wind Limited 3 people · 2014 · current

Thornfield 008 Limited 3 people · 2025-present

Cumbria Biogas Limited 3 people · 2016-present

1ST Estate Biomethane Limited 3 people · 2023-present

Northern Organic Solutions Limited 3 people · 2025-present

Seneca Global Energy Limited 2 people · 2014-present

Hartlepool Wind Limited 2 people · 2014-present

Iona Carbon Capture Limited 2 people · 2023-present

TCR Invergordon Limited 2 people · 2023 · current

Whitehall Corporation Limited 1 person · 2014-present

EOS Devco Limited 1 person · 2017 · current

Matrix Investment Partners Limited 1 person · 2018-present

Lakes Holiday Cottages Limited 1 person · 2020-present

Diamond Property Trustees Limited 4 people · 1996

White Rock Investment Partners Limited 1 person · 2018-2025

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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