| Company | Timeline | Status | |
Halcyon Days (London) Limited Director • Retailer | 16 May 2006←5 Years→30 Nov 2011 | Dissolved | |
| Bilston & Battersea Enamels Limited Director • Retailer | 2 Jun 2003←2 Years 8 Months→27 Jan 2006 | Active | |
| Churchill Mint Sheffield Limited (The) Director • Company Director | 30 Nov 1992←30 Years→30 Nov 2022 | Active | |
| Hill House School Limited Director • Company Director | 11 Oct 1991←4 Years→22 Jan 1996 | Active | |
| John Sinclair (Sheffield) Limited Director • Company Director | 30 Apr 1972←29 Years→19 Mar 2002 | Active | |
| Churchill Mint Sheffield Limited (The) Director • Unreported | 1 Jan 1970←52 Years→30 Nov 2022 | Active | |
