| Company | Timeline | Status | |
| Jack Spencer (Goldsmiths) Limited Director • Deputy Chairman | 13 Jun 1996←28 Years→25 Mar 2025 | Dissolved | |
| James Dixon & Sons Limited Director • Company Director | 24 Jun 1993←32 Years→Current | Active | |
| Sopisa UK Limited Director • Company Director | 28 May 1993←32 Years→20 May 2025 | Dissolved | |
| Elkington Sheffield Limited Director • Deputy Chairman | 28 May 1993←32 Years→Current | Active | |
| Parkin Silversmiths Limited Director • Company Director | 28 May 1993←31 Years→2 Jul 2024 | Dissolved | |
| Argentum Limited Director • Company Director | 29 Jan 1993←32 Years→Current | Liquidation | |
| Argentum Limited Secretary • Company Director | 29 Jan 1993←4 Months→24 Jun 1993 | Liquidation | |
| The Sheffield Mint Limited Director • Deputy Chairman | 28 Aug 1992←33 Years→Current | Active | |
| HS (529) Limited Director • Deputy Chairman | 28 Aug 1992←33 Years→Current | Active | |
| Solpro Chemical Company Limited Director • Deputy Chairman | 28 Aug 1992←33 Years→Current | Active | |
