| Company | Timeline | Status | |
| Open Dot Limited Director • Engineer | 25 Feb 1993←25 Years→22 Apr 2018 | Dissolved | |
| Aqualisa Products Limited Director • Technical Director | 10 Aug 1992←12 Months→9 Aug 1993 | Active | |
| Hydrocast Products Limited Director • Manager | 10 Aug 1991←2 Years→9 Aug 1993 | Dissolved | |
| Goldsmith Patent (Sevenoaks) Limited Director • Company Director | 10 Aug 1991←2 Years→9 Aug 1993 | Dissolved | |
