| Company | Timeline | Status | |
| JHC Recruitment Ltd Director • Director | 1 Apr 2019←6 Years→Current | Active | |
| Greystone Buildings Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Active | |
| Greystone Executive Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
| Greystone O&G Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
| Greystone Rail Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
| Greystone Water Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
| Greystone Power Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
| Greystone Renewables Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
| Greystone Nuclear Ltd Director • Director | 1 Apr 2019←1 Year 9 Months→13 Jan 2021 | Dissolved | |
