| Company | Timeline | Status | |
| CPL Holdings (UK) Limited Director • Director | 14 Mar 2000←25 Years→Current | Active | |
| W Turnbull & Sons Ltd Director • Company Director | 25 Nov 1998←26 Years→Current | Active | |
| W Turnbull & Sons Ltd Secretary • Electrician | 25 Nov 1998←2 Years 4 Months→17 Apr 2001 | Active | |
| CPL Installations Ltd Director • Company Director | 5 Mar 1998←27 Years→Current | Active | |
| W.J. Turnbull & Son Limited Director • Electrical Contractor | 16 May 1991←6 Years→10 Feb 1998 | Dissolved | |
