| Company | Timeline | Status | |
| Shaftworks Ltd Director • Accountant  | 5 Aug 2025←3 Months→Current  | Active  | |
Forensic Consultancy (Roi) Ltd Director • Chartered Accountant  | 4 Jan 2016←2 Years 10 Months→6 Nov 2018  | Dissolved  | |
| H Armstrong Limited Director • Chartered Accountant  | 23 Nov 2015←9 Years→Current  | Active  | |
| H Armstrong & Associates Ltd Director • Chartered Accountant  | 1 Sep 2015←10 Years→Current  | Active  | |
