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Governance Register

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Person

William Columba Mcguinness

William Columba Mcguinness is a director of 2 companies. Source: Companies House records.

Director at Maginn Derry Limited · Director at Iona Enterprises

  • 2 current roles
  • 2 previous roles
  • Served alongside 25 people

Official record Companies House · updated 11th October 2026

Roles

4 roles across 4 organisations (2 current, 2 previous)

Current roles (2)

  • Maginn Derry Limited
    Director · 2015-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Maginn Derry Limited
    Role
    Director
    Appointed
    2015-01-29
    Record reference
    Company NI628977
    Current
  • Iona Enterprises
    Director · 1999-present
    Official record · Companies House
    Source
    Companies House
    Organisation
    Iona Enterprises
    Role
    Director
    Appointed
    1999-12-06
    Record reference
    Company NI037509
    Current

Previous roles (2)

  • NI629370
    Director · from 2015
    Official record · Companies House
    Source
    Companies House
    Organisation
    NI629370
    Role
    Director
    Appointed
    2015-02-13
    Record reference
    Company NI629370
    Previous
  • NI626982
    Director · 2014-2017
    Official record · Companies House
    Source
    Companies House
    Organisation
    NI626982
    Role
    Director
    Appointed
    2014-10-02
    Ended
    2017-12-12
    Record reference
    Company NI626982
    Previous

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

People William has served alongside

25 people across 3 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.

Iona Enterprises 22 people · 1999-present

NI626982 3 people · 2014-present

NI629370 1 person · 2015-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 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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