The red node is Brian. 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
Brian Hugh Macmillan
Brian Hugh Macmillan was previously a director of Tetra UK Holdings Limited (until 2022) and 7 other organisations. Source: Companies House records.
Director at Tetra UK Holdings Limited · Director at Tetra Technologies U.K. Limited
- 0 current roles
- 8 previous roles
- Served alongside 49 people
Brian's network: 49 people across 8 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 4th October 2026 · Free, no card or password
Roles
8 roles across 8 organisations-
Tetra UK Holdings LimitedDirector · 2020-2022
Official record · Companies House
- Source
- Companies House
- Organisation
- Tetra UK Holdings Limited
- Role
- Director
- Appointed
- 2020-02-26
- Ended
- 2022-06-30
- Record reference
- Company 12485845
Previous -
Tetra Technologies U.K. LimitedDirector · 2015-2022
Official record · Companies House
- Source
- Companies House
- Organisation
- Tetra Technologies U.K. Limited
- Role
- Director
- Appointed
- 2015-09-04
- Ended
- 2022-06-30
- Record reference
- Company 01774672
Previous -
Optima Solutions UK LimitedDirector · 2015-2022
Official record · Companies House
- Source
- Companies House
- Organisation
- Optima Solutions UK Limited
- Role
- Director
- Appointed
- 2015-09-04
- Ended
- 2022-06-30
- Record reference
- Company SC194883
Previous
5 more roles, with dates and sources
Sign in free to see all rolesPeople Brian has served alongside
49 people across 8 organisationsBased on overlapping official board records. Calculated from official records
49 people across 8 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 Brian, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and Brian, if there is one.
Create a free account to checkSources
- Companies House
- Officer appointments and resignations.
- Edition
- Register edition compiled 4th October 2026
- Identity
- Records are treated as the same person only where the evidence confirms it. How people are matched