| Company | Timeline | Status | |
| Blackfive Valves Limited Director • Co.director | 5 Jul 2000←25 Years→Current | Active | |
| Blackfive Engineering Limited Director • Company Director | 27 Mar 2000←25 Years→Current | Active | |
| Blackfive Engineering Group Ltd Director • Engineer | 21 Sep 1991←34 Years→Current | Active | |
