| Company | Timeline | Status | |
| The OLD Tannery (Porlock) Management Company Limited Director • Retired | 16 Sep 1998←10 Years→1 Jan 2009 | Active | |
| Hilger Analytical Limited Director • Engineering Director | 6 Sep 1991←2 Years 11 Months→1 Aug 1994 | Active | |
| Hilger Analytical Limited Director • Unreported | 1 Jan 1970←24 Years→1 Aug 1994 | Active | |
