| corpacq limited | £696.6m | £1b | May 2016 | - | Open | Director |
| caledonia materials handling limited | £18.3m | £230.4m | Feb 2015 | - | Open | Director |
| carrylift materials handling limited | £25.7m | £59.2m | Oct 2016 | - | Open | Director |
| cavitech solutions limited | £12.4m | £38m | Jun 2016 | - | Open | Director |
| livingston precision (engineering) limited | £19m | £34.9m | Jun 2016 | - | Open | Director |
| wpi civil engineering limited | £29.1m | £33.7m | Oct 2018 | - | Open | Director |
| w p i surfacing limited | £7.9m | £26.3m | Oct 2018 | - | Open | Director |
| gray forklift services limited | £10.7m | £26.3m | Jul 2015 | - | Open | Director |
| wpi group holdings limited | - | £23.5m | Oct 2018 | - | Open | Director |
| deans engineering (livingston) limited | £17.7m | £20.7m | Jun 2016 | - | Open | Director |
| douglas gillespie plant limited | £11.3m | £15.5m | Mar 2016 | - | Open | Director |
| the flexible manufacturing group limited | - | £15.1m | Jun 2016 | - | Open | Director |
| g.m. leitch ltd | £5.6m | £11.3m | Mar 2015 | - | Open | Director |
| gray material handling (inverness) limited | £3m | £8.3m | Jul 2015 | - | Open | Director |
| maddox newco limited | - | £7.7m | Oct 2018 | - | Open | Director |
| mhs group (holdings) limited | - | £5.3m | Mar 2015 | - | Open | Director |
| strategic resources european recruitment consultants limited | £21.6m | £3.6m | Oct 2015 | - | Open | Director |
| flexible surface technology ltd. | £1.4m | £2.1m | Jun 2016 | - | Open | Director |
| gray development company limited | - | £2m | Jul 2015 | - | Open | Director |
| a & s forklift services limited | £1.1m | £1.5m | Jun 2019 | - | Open | Director |
| wpi construction & remediation limited | - | £622.5k | Oct 2018 | - | Open | Director |
| wpi group limited | - | £173.6k | Oct 2018 | - | Open | Director |
| corpacq finance limited | - | £21.6k | May 2016 | - | Open | Director |
| maddox bidco limited | £20k | £20k | Oct 2018 | - | Open | Director |
| cavitech solutions (holdings) limited | - | - | Feb 2016 | - | Open | Director |
