| Company | Timeline | Status | |
| Hydraulics Research Limited Secretary • Finance Director | 22 Aug 1994←1 Year 4 Months→31 Dec 1995 | Active | |
| Wallingford Limited Director • Director | 18 Aug 1994←1 Year 4 Months→31 Dec 1995 | Active | |
| Howbery Park Estates Limited Director • Finance Director | 13 Jun 1994←1 Year 6 Months→31 Dec 1995 | Active | |
| Hydraulics Research Limited Director • Finance Director | 28 Jan 1993←2 Years 11 Months→31 Dec 1995 | Active | |
| HR Mardyn Limited Director • Finance Director | 7 May 1992←3 Years→31 Dec 1995 | Active | |
| HR Wallingford Limited Director • Finance Director Company Secretary | 26 Nov 1991←4 Years→31 Dec 1995 | Active | |
| Wallingford Systems Limited Director • Finance Director Company Secretary | 26 Oct 1991←4 Years→31 Dec 1995 | Active | |
| Wallingford Water Limited Director • Finance Director Company Secretary | 26 Oct 1991←4 Years→31 Dec 1995 | Active | |
| HR Wallingford Group Limited Director • Finance Director/company Secretary | 4 Oct 1991←4 Years→31 Dec 1995 | Active | |
First Engineering Limited Director • Finance Director Company Secretary | 30 Sep 1991←4 Years→31 Dec 1995 | Dissolved | |
