| Company | Timeline | Status | |
| Blow Group Limited Director • Director | 29 Oct 2024←12 Months→Current | Active | |
| I O Glossop Limited Director • Optometrist | 19 Jun 2024←1 Year 4 Months→Current | Active | |
| Blow & Hughes Limited Director • Optometrist | 16 Feb 2024←1 Year 8 Months→Current | Active | |
| D. I. Blow Opticians Ltd Director • Optometrist | 12 Nov 2018←6 Years→Current | Active | |
| Blowhughes Ltd Director • Optician | 3 Aug 2018←2 Years 7 Months→23 Mar 2021 | Dissolved | |
