| Company | Timeline | Status | |
| Richmond Ascent Ltd Director • Company Director | 13 Feb 2012←3 Years→20 Nov 2015 | Dissolved | |
| Richmond Point Capital Ltd Director • Unreported | 29 Apr 2009←6 Years→20 Nov 2015 | Active | |
| The Penspen Group Limited Director • Consulting Engineer | 3 Jan 1993←3 Years→22 Feb 1996 | Active | |
| Penspen Limited Director • Consulting Engineers | 3 Jan 1993←3 Years→22 Feb 1996 | Active | |
| Penspen Process Ltd Director • Consulting Engineer | 14 Jan 1992←4 Years→22 Feb 1996 | Dissolved | |
Libra Technical Services Limited Director • Consulting Engineer | 31 Dec 1990←5 Years→22 Feb 1996 | Dissolved | |
Spencer & Partners Director • Consulting Engineer | 31 Dec 1990←5 Years→22 Feb 1996 | Dissolved | |
