| Company | Timeline | Status | |
| Frontier Properties (South Wales) Limited Director • Engineer | 19 Apr 1994←9 Years→2 May 2003 | Dissolved | |
| Frontier Therapeutics Limited Director • Engineer | 30 Mar 1992←10 Years→2 Sep 2002 | Active | |
| Frontier Plastics Limited Director • Engineer | 20 Aug 1991←11 Years→2 Sep 2002 | Active | |
