| Company | Timeline | Status | |
| Walsh Construction Limited Director • Accountant | 20 Jun 2005←3 Years→29 May 2009 | Active | |
| Walsh Construction Holdings Limited Director • Accountant | 15 Dec 2004←5 Years→5 Jul 2010 | Active | |
| Berwyn Granite Quarries Limited Director • Accountant | 18 Aug 2000←6 Years→1 Nov 2006 | Active | |
| Cambrian Stone Limited Director • Accountant | 16 May 2000←5 Years→16 May 2005 | Active | |
| Tarmac Western Limited Director • Accountant | 3 May 2000←5 Years→16 May 2005 | Active | |
| R.H. Roadstone Limited Director • Accountant | 5 Feb 1998←2 Years 11 Months→1 Jan 2001 | Active | |
| R.H. Roadstone Limited Secretary • Unreported | 30 Apr 1997←3 Years→1 Jan 2001 | Active | |
| Cambrian Stone Limited Secretary • Accountant | 30 Jun 1996←2 Years 2 Months→8 Sep 1998 | Active | |
| Margam Slag Company Limited Secretary • Accountant | 30 May 1996←29 Years→Current | Liquidation | |
