| Company | Timeline | Status | |
| 6carbonpro Environmental Limited Director • Consultant | 21 May 2020←1 Year 1 Month→13 Jul 2021 | Dissolved | |
The Climate Change Guardian Limited Director • Consultant | 8 Jul 2019←1 Year 2 Months→22 Sep 2020 | Dissolved | |
| Mike Allan Limited Director • Consultant | 6 Dec 2017←3 Years→13 Jul 2021 | Dissolved | |
| Allantiques Limited Director • Consultant | 6 Dec 2017←7 Years→Current | Active | |
Water Quality Bureau Limited Director • Water Consultant | 23 May 2006←10 Years→24 Jan 2017 | Dissolved | |
| Waterpro Environmental Limited Director • Water Management Consultant | 17 Mar 2000←22 Years→5 Jul 2022 | Dissolved | |
| Waterpro Environmental Limited Secretary • Water Management Consultant | 17 Mar 2000←1 Year 12 Months→14 Mar 2002 | Dissolved | |
