| Company | Timeline | Status | |
| Graystone Engineering Service Limited Director • Manager | 18 Jul 2016←6 Months→12 Feb 2017 | Dissolved | |
| Graystone Developments Limited Director • Manager | 18 Jul 2016←6 Months→10 Feb 2017 | Dissolved | |
Graystone Consulting Solutions Limited Director • Manager | 18 Jul 2016←6 Months→10 Feb 2017 | Dissolved | |
| Graystone Construction Limited Director • Manager | 18 Jul 2016←6 Months→12 Feb 2017 | Active | |
| Graystone NW Limited Director • Director | 14 Apr 2016←2 Months→22 Jun 2016 | Dissolved | |
