| Company | Timeline | Status | |
| Brindsett Limited Director • Engineer | 31 Dec 1990←34 Years→Current | Active | |
| Walraven Ltd Director • Company Director | 31 Dec 1990←7 Years→13 Nov 1998 | Active | |
| Damproof Engineering Services Limited Director • Engineer | 31 Dec 1990←27 Years→10 Dec 2018 | Active | |
IHL Limited Director • Director | 31 Dec 1990←7 Years→13 Nov 1998 | Dissolved | |
