| Company | Timeline | Status | |
| Cook Hove Ltd Director • Builder | 4 Dec 2014←11 Years→Current | Active | |
| Eastwoods (Brighton) Limited Director • Builder | 22 Jan 2013←2 Years 5 Months→17 Jul 2015 | Active | |
| Mar Holdings Limited Director • Company Director | 4 Feb 2010←5 Years→9 Apr 2015 | Active | |
| J.W. Cook Estates Limited Director • Director | 8 Aug 2007←7 Years→9 Apr 2015 | Active | |
G. Eastwood & Sons Limited Director • Director | 18 Feb 2005←14 Years→7 Jan 2020 | Dissolved | |
| Cook Brighton Limited Director • Builder | 4 Apr 1992←33 Years→Current | Active | |
| D.J. Cook (Builders) Limited Director • Builder | 30 Sep 1991←34 Years→Current | Active | |
| Amia Limited Director • Builder/farmer | 10 Sep 1991←32 Years→26 Sep 2023 | Dissolved | |
