| geg capital investments limited | £369m | £1.2b | Mar 2016 | - | Open | Director |
| geg (holdings) limited | £273.2m | £311.7m | Mar 2012 | - | Open | Director |
| geg capital limited | £113.4m | £110.9m | Feb 2019 | - | Open | Director |
| global port services (scotland) limited | £71.1m | £78m | Oct 2013 | - | Open | Director |
| geg (marine & logistics) limited | £0 | £63.7m | Dec 2007 | - | Open | Director |
| global energy nigg limited | £13.6m | £46.3m | Mar 2011 | - | Open | Director |
| macgregor properties limited | £3.3m | £22.4m | May 1992 | - | Open | Director |
| global energy (holdings) limited | £0 | £18.3m | Dec 2009 | - | Open | Director |
| apollo engineering consultants limited | £10.4m | £14.8m | Mar 2019 | - | Open | Director |
| global infrastructure scotland limited | £33.8m | £10.5m | Jan 2009 | - | Open | Director |
| geg capital (howe moss) limited | £225.2k | £7.7m | Mar 2012 | - | Open | Director |
| ikm consulting ltd. | £4.3m | £7.6m | Jun 2023 | - | Open | Director |
| ross county football club (1998) limited | £3.9m | £6.6m | Jan 1998 | - | Open | Director |
| global highland limited | £27.5m | £5.8m | Apr 2015 | - | Open | Director |
| capstone construction scotland limited | £20.3m | £5.8m | May 2022 | - | Open | Director |
| mabbett & associates limited | £3.4m | £4.4m | Feb 2021 | - | Open | Director |
| aventus energy ltd | £7.6m | £3.6m | May 2024 | - | Open | Director |
| cammach bryant limited | £16.1m | £3.1m | Nov 2020 | - | Open | Director |
| geg capital (north) ltd | £161.6k | £2.8m | Mar 2016 | - | Open | Director |
| gep environmental limited | £1.8m | £2.7m | May 2022 | - | Open | Director |
| global power & process limited | £185.5k | £2.4m | Dec 2009 | - | Open | Director |
| bracewell stirling limited | £2.6m | £2.2m | Mar 2024 | - | Open | Director |
| global energy services limited | £3.2m | £1.8m | Nov 2020 | - | Open | Director |
| ross county football club limited | £0 | £1.4m | Mar 1992 | - | Open | Director |
| be personnel limited | £6.9m | £1.4m | Jun 2018 | - | Open | Director |
