| Company | Timeline | Status | |
| Brett Martin Holdings Ltd Director • Company Director | 8 Dec 2003←21 Years→Current | Active | |
| Ariel Industrial Limited Director • Company Director | 5 May 1999←21 Years→15 Dec 2020 | Dissolved | |
| Brett Martin Scotland Limited Director • Co. Director | 5 May 1999←21 Years→15 Dec 2020 | Dissolved | |
| Brett Plastics Limited Director • Company Director | 5 May 1999←21 Years→1 Dec 2020 | Dissolved | |
| Brett Martin Limited Director • Company Director | 5 May 1999←26 Years→Current | Active | |
| Sigma Plastics Limited Director • Company Director | 5 May 1999←21 Years→15 Dec 2020 | Dissolved | |
