| Company | Timeline | Status | |
| Valerie Coltman Holdings Limited Director • Secretary | 19 Feb 2009←8 Years→26 Jan 2018 | Active | |
| Coltman Precast Concrete Limited Secretary • Unreported | 27 Oct 1997←3 Years→8 Feb 2001 | Active | |
| Coltman Precast Concrete Limited Director • Businesswoman | 31 May 1991←26 Years→26 Jan 2018 | Active | |
| Coltman Precast Concrete Limited Secretary • Unreported | 31 May 1991←2 Months→1 Aug 1991 | Active | |
