| Company | Timeline | Status | |
| Frontier Subsea Ltd Director • Director | 14 Aug 2017←2 Years 7 Months→24 Mar 2020 | Dissolved | |
| Frontier Group Ltd Director • Director | 14 Aug 2017←2 Years 7 Months→24 Mar 2020 | Dissolved | |
| Frontier Marine Ltd Director • Managing Director | 4 Dec 2012←7 Years→24 Mar 2020 | Dissolved | |
| Frontier Automotive Ltd Director • Managing Director | 3 Dec 2012←7 Years→24 Mar 2020 | Dissolved | |
| Frontier Onshore Ltd Director • Managing Director | 3 Dec 2012←7 Years→24 Mar 2020 | Dissolved | |
| Frontier Offshore Renewable Energy Ltd Director • Managing Director | 3 Dec 2012←7 Years→24 Mar 2020 | Dissolved | |
| Frontier Technical Ltd Director • Managing Director | 30 Nov 2012←12 Years→Current | Active | |
| Frontier Offshore Ltd Director • Managing Director | 30 Nov 2012←7 Years→24 Mar 2020 | Dissolved | |
| Frontier Coastal Limited Director • Managing Director | 30 Nov 2012←7 Years→24 Mar 2020 | Dissolved | |
