| Company | Timeline | Status | |
| Clark Diamonds Limited Director • Company Director | 1 Jul 2013←12 Years→Current | Active | |
| Jewellery Valuation (Great Britain) Limited Director • Director | 13 Nov 2009←13 Years→3 Jan 2023 | Dissolved | |
| Independent Gemmological Appraisal Limited Director • Director | 23 Sep 2009←16 Years→Current | Active | |
| Jewellery Valuation Limited Director • Director | 1 Jul 2009←16 Years→Current | Active | |
| The Gemmological And Jewellery Valuation Bureau Limited Director • Director | 20 May 2009←16 Years→Current | Active | |
