| Company | Timeline | Status | |
| Brett Developments Limited Director • Director | 28 Feb 1997←8 Years→31 Dec 2005 | Dissolved | |
| Valencia Waste Kent Limited Director • Director | 28 Sep 1992←12 Years→17 Jun 2005 | Active | |
| Robert Brett & Sons Limited Director • Director | 27 Sep 1992←13 Years→31 Dec 2005 | Active | |
| Volker Dredging Limited Director • Company Director | 20 Aug 1992←1 Year 5 Months→20 Jan 1994 | Active | |
| Brett Ready Use Concrete Limited Director • Director | 18 Oct 1991←14 Years→31 Dec 2005 | Dissolved | |
| Cement Stabilized Minestone Limited Director • Director | 28 Sep 1991←14 Years→31 Dec 2005 | Dissolved | |
| Brett Trading Limited Director • Director | 27 Sep 1991←14 Years→31 Dec 2005 | Active | |
| Easi-Mac Limited Director • Director | 27 Sep 1991←14 Years→31 Dec 2005 | Dissolved | |
| Hithermoor Soil Treatments Limited Director • Director | 27 Sep 1991←14 Years→31 Dec 2005 | Active | |
| Brett Marine Aggregates Limited Director • Director | 27 Sep 1991←14 Years→31 Dec 2005 | Active | |
