| Company | Timeline | Status | |
| The Cowdray Heritage Trust Director • Retired Chartered Accountant | 27 Nov 1997←2 Years 7 Months→7 Jul 2000 | Active | |
| Castle Cement Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Active | |
| Castle Cement (Pitstone) Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Active | |
| Tunnel Cement Limited Director • Finance Director | 23 May 1991←3 Years→23 May 1994 | Active | |
| Castle Cement (Padeswood) Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Active | |
Ribblesdale Cement Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Dissolved | |
Clyde Cement Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Dissolved | |
| Castle Building Products Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Active | |
| Ketton Cement Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Active | |
| Castle Lime Limited Director • Finance Director | 23 May 1991←4 Years→30 Sep 1995 | Active | |
