| Company | Timeline | Status | |
| Oceantechnic Limited Director • Unreported | 28 May 2025←5 Months→Current | Active | |
| Engcomm Limited Director • Director | 17 Feb 2015←7 Years→30 Jun 2022 | Dissolved | |
Gavin Miller Design Limited Director • Engineer | 15 Feb 2001←16 Years→7 Dec 2017 | Dissolved | |
