| 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  | |
