| Company | Timeline | Status | |
| Surrey Archaeological Society Director • Unreported | 1 Jan 1996←1 Year 11 Months→7 Dec 1997 | Active | |
| Abinger Hall Estate Company (The) Director • Archivist | 20 Jan 1992←23 Years→22 Sep 2015 | Active | |
| Surrey Archaeological Society Director • Retired | 21 Dec 1991←3 Years→31 Dec 1994 | Active | |
| Abinger Hammer Village School Trust Director • Semi-retired | 1 Apr 1991←24 Years→20 Dec 2015 | Active | |
| Surrey Archaeological Society Director • Unreported | 1 Jan 1970←25 Years→31 Dec 1994 | Active | |
