| Company | Timeline | Status | |
| Harriet Kelsall Jewellery Design Trustees Limited Director • Executive Chair | 19 Jun 2025←4 Months→Current | Active | |
| Harriet Kelsall Jewellery Design Limited Director • Jeweller | 6 Oct 2002←23 Years→Current | Active | |
Clarity Post Production Sound Ltd Secretary • Jewellery Designer | 3 Sep 2002←13 Years→29 Mar 2016 | Dissolved | |
