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The red node is Carl. 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

Carl Ludwig Oliver Haarmann

Carl Ludwig Oliver Haarmann is a trustee of Intouni (since 2013), a director of 2 companies and holds 1 other current role. Source: Companies House and Charity Commission records.

Director at Gresham House Limited · Director at OHM Investment CO. Limited

  • 4 current roles
  • Served alongside 27 people
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Official record Companies House and Charity Commission · updated 11th October 2026

Roles

4 roles across 4 organisations

Current roles (4)

  • Gresham House Limited
    Director · 2023-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Gresham House Limited
    Role
    Director
    Appointed
    2023-12-20
    Record reference
    Company 00000871
    Current
  • OHM Investment CO. Limited
    Director · 2023-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    OHM Investment CO. Limited
    Role
    Director
    Appointed
    2023-08-17
    Record reference
    Company FC040808
    Current
  • Macro Advisory Partners LLP
    Llp-member · 2016-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Macro Advisory Partners LLP
    Role
    Llp-member
    Appointed
    2016-01-01
    Record reference
    Company OC385173
    Current
  • Intouni
    Chair · 2013-present
    Official record · Charity Commission
    Source
    Charity Commission
    Organisation
    Intouni
    Role
    Chair
    Appointed
    2013-12-12
    Record reference
    Charity 1118525
    Current

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 Carl has served alongside

27 people across 4 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.

Intouni 11 people · 2013-present

Gresham House Limited 8 people · 2023-present

Macro Advisory Partners LLP 5 people · 2016-present

OHM Investment CO. Limited 3 people · 2023-present

Sources

Companies House
Officer appointments and resignations.
Charity Commission
Register of Charities: current trustees and appointment dates.
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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