| Company | Timeline | Status | |
| Martin Design Associates Limited Director • Engineer | 1 Apr 2025←7 Months→Current | Active | |
| Fox Oak Holdings Ltd Director • Director | 21 Feb 2025←8 Months→Current | Active | |
Martin Design Associates (York) Ltd Director • Director | 11 Nov 2016←1 Year 3 Months→20 Feb 2018 | Dissolved | |
