| Company | Timeline | Status | |
| Avenue 5 Limited Director • Company Director | 6 Aug 2014←7 Years→21 Dec 2021 | Dissolved | |
| Rivus Technology Limited Director • Director | 18 Jun 2003←22 Years→Current | Active | |
| Utiligensia Limited Director • Chartered Engineer | 14 Oct 2002←23 Years→Current | Active | |
| 4 Northumberland Terrace Limited Secretary • Unreported | 15 Jul 1999←3 Years→26 Apr 2003 | Active | |
| 4 Northumberland Terrace Limited Director • Engineer | 22 Jun 1999←3 Years→1 Oct 2002 | Active | |
