| Company | Timeline | Status | |
| J.F. Miller Properties Limited Director • Corporate Body | 1 Oct 2007←4 Months→12 Feb 2008 | Dissolved | |
Alfred McAlpine Utility Services NW Limited Director • Corporate Body | 23 Apr 2007←9 Months→12 Feb 2008 | Active | |
| Cwmorthin Slate Quarry 1994 Company Limited Director • Corporate Body | 12 Mar 2007←9 Months→24 Dec 2007 | Active | |
| Cocklebank Conservations Limited Director • Corporate Body | 12 Mar 2007←9 Months→24 Dec 2007 | Active | |
| Alfred McAlpine Slate Penrhyn Limited Director • Corporate Body | 12 Mar 2007←9 Months→24 Dec 2007 | Active | |
| CWT-Y-Bugail Slate Quarries,Limited(The) Director • Corporate Body | 12 Mar 2007←9 Months→24 Dec 2007 | Active | |
| AMBS 1 Limited Director • Corporate Body | 7 Mar 2007←11 Months→12 Feb 2008 | Liquidation | |
| Enviros Group Limited Director • Corporate Director | 1 Feb 2007←1 Year 3 Months→20 May 2008 | Dissolved | |
| Enviros Management Services Ltd Director • Corporate Director | 1 Feb 2007←1 Year→12 Feb 2008 | Dissolved | |
| Enviros Limited Director • Corporate Director | 1 Feb 2007←2 Years 8 Months→23 Oct 2009 | Dissolved | |
