| Company | Timeline | Status | |
| Burnham Estates Limited Director • Director  | 27 Nov 2012←9 Years→26 Jun 2022  | Active  | |
| Colnbrook Estates Limited Director • Company Director  | 1 Oct 2010←11 Years→26 Jun 2022  | Active  | |
| Colnbrook Estates Limited Director • Company Director  | 1 Oct 2010←1 Day→1 Oct 2010  | Active  | |
| Burnham Beeches Golf Club,Limited(The) Director • None  | 19 Oct 2009←5 Years→11 Apr 2015  | Active  | |
| Burnham Beeches Golf Club,Limited(The) Director • Retired  | 5 Apr 2008←1 Year 6 Months→19 Oct 2009  | Active  | |
| St. Laurence Way Management Co. Limited Director • Director  | 8 Aug 2001←1 Year 5 Months→11 Jan 2003  | Active  | |
| Slough Museum Director • Unreported  | 14 Feb 2001←3 Months→17 May 2001  | Active  | |
| R M Burnham Ltd Director • Company Director  | 11 May 2000←22 Years→26 Jun 2022  | Active  | |
| R M Burnham Ltd Secretary • Company Director  | 11 May 2000←22 Years→26 Jun 2022  | Active  | |
Slough Y.M.C.A Director • Accountant  | 10 Jan 1992←2 Years 6 Months→19 Jul 1994  | Dissolved  | |
