| Company | Timeline | Status | |
| Invent Design Ltd Director • Engineer | 9 Feb 2010←15 Years→Current | Active | |
| Package Lift Components Limited Director • Director | 28 Feb 2008←15 Years→26 Dec 2023 | Dissolved | |
| Propbrook Limited Director • Director | 28 Feb 2008←17 Years→Current | Liquidation | |
| Fisher Leak Group Limited Director • Unreported | 9 Jan 2008←17 Years→Current | Active | |
| Fisher Leak Automation Limited Director • Unreported | 27 Nov 2006←19 Years→Current | Active | |
| Leaksys Limited Director • Unreported | 27 Nov 2006←19 Years→Current | Active | |
| Fisher Leak Systems Limited Director • Engineer | 21 Jun 1999←26 Years→Current | Active | |
| Tryweld Limited Director • Engineer | 7 Oct 1994←6 Years→25 Apr 2001 | Active | |
