| Company | Timeline | Status | |
| Bryan Donkin Valves Limited Director • Managing Director | 1 Jan 2008←17 Years→Current | Active | |
| Bryan Donkin Valves Limited Director • Managing Director | 1 Jan 2008←17 Years→20 Aug 2025 | Active | |
| AVK Syddal Limited Director • Managing Director | 1 Jun 2005←20 Years→Current | Active | |
| AVK Syddal Limited Director • Managing Director | 1 Jun 2005←20 Years→20 Aug 2025 | Active | |
| Northamptonshire Industrial Training Association Limited Director • Production Director | 2 Sep 1996←3 Years→13 Apr 2000 | Dissolved | |
| Aqua-Gas Manufacturing Limited Director • Managing Director | 1 Mar 1995←30 Years→Current | Active | |
| Aqua-Gas Manufacturing Limited Director • Managing Director | 1 Mar 1995←29 Years→31 Dec 2024 | Active | |
