The red node is Sean. Pale nodes are charities, grey nodes are companies, and darker grey nodes are the people who sit on them. Sign in free to explore further.
Person Preview
Sean Gerard Macdonald
Sean Gerard Macdonald is a director of Onix Data Centres Limited and a director of Clonwhelan Limited, among 7 current roles on record. Source: Companies House records.
Director at Onix Data Centres Limited · Director at Clonwhelan Limited
- 7 current roles
- 7 previous roles
- Served alongside 69 people
Sean's network: 69 people across 14 organisations
Anyone can join - you don't need to be on the register. Used by researchers, journalists, recruiters and due diligence teams.
Private by default - we never tell anyone you looked them up. Viewing, searching, saving and shortlisting are private; people only hear from you if you choose to send them a message.
Official record Companies House · updated 11th October 2026 · Free, no card or password
Current roles
14 roles across 14 organisations-
Onix Data Centres LimitedDirector · 2025-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Onix Data Centres Limited
- Role
- Director
- Appointed
- 2025-03-13
- Record reference
- Company 12988674
Current -
Clonwhelan LimitedDirector · 2022-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Clonwhelan Limited
- Role
- Director
- Appointed
- 2022-05-04
- Record reference
- Company 14086437
Current -
Accugas UK LimitedDirector · 2019-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Accugas UK Limited
- Role
- Director
- Appointed
- 2019-12-02
- Record reference
- Company 12257421
Current
11 more roles, including 7 previous roles, with dates and sources
Sign in free to see all rolesPeople Sean has served alongside
69 people across 14 organisationsBased on overlapping official board records. Calculated from official records
69 people across 14 organisations
Create a free account to reveal this governance network and see how you're connected.
Create a free account to revealConnections
Connection map
The organisations and people around Sean, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and Sean, if there is one.
Create a free account to checkSources
- 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