| Company | Timeline | Status | |
| Demiurgic Consulting Engineers Limited Director • Chartered Engineer | 8 Apr 2023←2 Years 10 Months→Current | Active | |
| Demiurgic Consulting Engineers (Defence) Limited Director • Managing Director | 19 Jan 2023←1 Year 9 Months→29 Oct 2024 | Dissolved | |
| GLJ Design Services Limited Director • Chartered Engineer | 25 Aug 2018←7 Years→Current | Liquidation | |
Gary Jones Associates Limited Director • Chartered Engineer | 23 Aug 1995←24 Years→29 Feb 2020 | Dissolved | |
