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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 Conrad Louis Brenninkmeyer

Mark Conrad Louis Brenninkmeyer is a trustee of Porticus UK and a director of 1 company. Source: Companies House and Charity Commission records.

Director at Porticus UK · Chair at Porticus UK

  • 2 current roles
  • 17 previous roles
  • Served alongside 37 people
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Official record Companies House and Charity Commission · updated 25th October 2026

Roles

19 roles across 19 organisations (2 current, 17 previous)

Current roles (2)

  • Porticus UK
    Director · 2008-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Porticus UK
    Role
    Director
    Appointed
    2008-04-01
    Record reference
    Company 03447823
    Current
  • Porticus UK
    Chair · Current
    Official record · Charity Commission
    Source
    Charity Commission
    Organisation
    Porticus UK
    Role
    Chair
    Record reference
    Charity 1069245
    Current

Previous roles (17)

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 Mark has served alongside

37 people across 5 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.

Porticus UK 8 people · 2008-present

Porticus UK 3 people · Current

00524665 16 people · 1992-2007

Nazareth Care Charitable Trust 12 people · 2005-2010

Clearwater Investments Limited 7 people · 1995-2006

Sources

Companies House
Officer appointments and resignations.
Charity Commission
Register of Charities: current trustees and appointment dates.
Edition
Register edition compiled 25th 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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