| Company | Timeline | Status | |
| Aj Locke Consulting Engineers Ltd Secretary • Unreported | 10 Mar 2008←17 Years→Current | Active | |
| Aston Lark Group Limited Secretary • Unreported | 31 Jan 2007←10 Years→31 Aug 2017 | Active | |
| Aston Lark Group (Holdings) Limited Secretary • Unreported | 29 Nov 2005←11 Years→31 Aug 2017 | Dissolved | |
| Aston Scott Ltd Secretary • Unreported | 5 Feb 2002←15 Years→31 Aug 2017 | Dissolved | |
BFP Consultants Ltd Secretary • Unreported | 14 Oct 1998←9 Years→25 Apr 2008 | Dissolved | |
