| Company | Timeline | Status | |
| Imtech Aqua Maintenance Ltd Director • Personal Secretary | 5 Aug 1992←15 Years→31 Mar 2008 | Active | |
Gibson Projects Limited Director • Personal Secretary | 24 May 1992←28 Years→13 Oct 2020 | Dissolved | |
| Gibson Developments Limited Director • Personal Secretary | 24 May 1992←33 Years→20 Aug 2025 | Dissolved | |
| Gibson Holdings Limited Director • Personal Secretary | 2 Oct 1991←33 Years→15 Aug 2025 | Dissolved | |
| Imtech Aqua Ltd Director • Personal Secretary | 2 Oct 1991←16 Years→31 Mar 2008 | Active | |
