| Company | Timeline | Status | |
| Jim Mellish Limited Director • Principle Consultant | 9 Jan 2018←7 Years→Current | Liquidation | |
| Bsria Limited Director • None | 13 Oct 2009←3 Years→28 Nov 2012 | Active | |
| Building Services Research And Intelligence Association (The) Director • None | 13 Oct 2009←3 Years→28 Nov 2012 | Active | |
| RMJM London Limited Director • Engineer | 1 Dec 1998←8 Months→1 Aug 1999 | Dissolved | |
