| Company | Timeline | Status | |
| Lamberton Enterprises Limited Director • Company Director | 18 Oct 1996←26 Years→16 May 2023 | Dissolved | |
| Lamberton Engineering Limited Director • Company Director | 18 Oct 1996←29 Years→Current | In Receivership | |
| Lamberton & Company Limited Director • Works Director | 7 Aug 1992←33 Years→Current | In Receivership | |
