| Company | Timeline | Status | |
| Radius Engineering Services Limited Director • Project Manager | 28 Sep 2005←20 Years→Current | Active | |
| Diverse Building Services Limited Director • Project Manager | 13 Jan 2004←11 Years→28 Jan 2015 | Dissolved | |
| Spaflow Limited Director • Engineer | 2 Apr 1997←4 Years→16 May 2001 | Active | |
| 266 Alexandra Park Road Management Company Ltd Director • Consulting Engineer | 22 Jul 1996←2 Years 10 Months→26 May 1999 | Active | |
