| Company | Timeline | Status | |
| Celtic Environmental Developments Limited Director • Unreported | 25 Jan 2016←5 Years→31 Mar 2021 | Dissolved | |
| Pennant Walters (Holdings) Limited Director • Unreported | 28 Jul 2015←1 Year 3 Months→15 Nov 2016 | Active | |
| Pennant Walters (Foelt) Limited Director • Unreported | 14 Feb 2014←2 Years 9 Months→15 Nov 2016 | Active | |
| Celtic Mining Operations Group Limited Director • Unreported | 22 Nov 2012←11 Years→6 Feb 2024 | Active | |
| Celtic Mining Group Limited Director • Unreported | 22 Nov 2012←11 Years→6 Feb 2024 | Active | |
| Celtic Mining Limited Director • Unreported | 22 Nov 2012←11 Years→6 Feb 2024 | Active | |
| Celtic Energy Limited Director • Unreported | 5 Oct 2005←18 Years→6 Feb 2024 | Active | |
| Avalon Glen Director • Unreported | 16 Aug 2004←19 Years→6 Feb 2024 | Active | |
