| Company | Timeline | Status | |
| W Turnbull & Sons Ltd Secretary • Unreported | 1 Apr 2002←5 Years→10 Nov 2007 | Active | |
| CPL Holdings (UK) Limited Secretary • Unreported | 14 Mar 2000←7 Years→10 Nov 2007 | Active | |
| CPL Installations Ltd Secretary • Unreported | 25 Jun 1998←9 Years→10 Nov 2007 | Active | |
| W.J. Turnbull & Son Limited Director • Secretary | 16 May 1991←30 Years→1 Jun 2021 | Dissolved | |
