The red node is Mark. 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
Mark William Simmers
Mark William Simmers is a director of Celtic Renewables Grangemouth Limited and a director of Celtic Renewables Limited. Source: Companies House records.
Director at Celtic Renewables Grangemouth Limited · Director at Celtic Renewables Limited
- 2 current roles
- 3 previous roles
- Served alongside 107 people
Mark's network: 107 people across 5 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
Current roles
5 roles across 5 organisations-
Celtic Renewables Grangemouth LimitedDirector · 2017-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Celtic Renewables Grangemouth Limited
- Role
- Director
- Appointed
- 2017-11-30
- Record reference
- Company SC582830
Current -
Celtic Renewables LimitedDirector · 2011-present
Official record · Companies House
- Source
- Companies House
- Organisation
- Celtic Renewables Limited
- Role
- Director
- Appointed
- 2011-09-01
- Record reference
- Company SC394571
Current
3 more roles, including 3 previous roles, with dates and sources
Sign in free to see all rolesPeople Mark has served alongside
107 people across 5 organisationsBased on overlapping official board records. Calculated from official records
107 people across 5 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 Mark, shown in full after you sign in.
How are you connected?
Create a free account to see the recorded route between you and Mark, 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