| Company | Timeline | Status | |
| H. & B. Sensors Limited Director • Company Director | 31 Dec 1991←27 Years→14 May 2019 | Active | |
| HB Specialist Heaters Limited Director • Company Director | 31 Aug 1991←18 Years→2 Nov 2009 | Dissolved | |
| Tremble Developments (1990) Limited Director • Director | 26 Jun 1991←32 Years→15 Aug 2023 | Dissolved | |
