| Company | Timeline | Status | |
| GHJ Biogas Poland Ltd Director • Unreported | 17 Mar 2024←1 Year 7 Months→Current | Active | |
| GMT Biogas Limited Director • Unreported | 1 Mar 2024←1 Year 8 Months→Current | Active | |
| Albion Biomethane Investments Ltd Director • Unreported | 26 Feb 2024←1 Year 8 Months→Current | Active | |
| Hallwick Biomethane Investments Limited Director • Unreported | 11 Feb 2024←1 Year 9 Months→Current | Active | |
| Natura Biochar Ltd Director • Director | 11 Aug 2021←2 Years 5 Months→16 Jan 2024 | Dissolved | |
| GHJ Biogas Ltd Director • Director | 23 Apr 2020←5 Years→Current | Active | |
| Rika Biogas Technologies Ltd Director • Director | 19 Oct 2015←10 Years→Current | Active | |
| Rika Biofuel Developments Ltd Director • Unreported | 10 Apr 2014←11 Years→Current | Active | |
| Rika Biofuels Limited Director • Renewable Energy | 29 Jan 2013←7 Years→25 Feb 2020 | Active | |
| Hallwick Investments Limited Director • Renewable Energy | 21 Jan 2013←9 Years→2 Aug 2022 | Dissolved | |
