| Company | Timeline | Status | |
| King Sheet Metal Limited Director • Director | 1 Jan 2010←2 Years 9 Months→30 Sep 2012 | Active | |
| John Clark (Metal Boxes) Limited Director • Unreported | 31 Mar 2005←20 Years→Current | Active | |
| King Sheet Metal Limited Secretary • Unreported | 23 Aug 2004←19 Years→6 Feb 2024 | Active | |
| John Clark (Metal Boxes) Limited Secretary • Unreported | 15 Mar 2004←21 Years→Current | Active | |
Colwall Sheet Metal & Engineering Services Limited Secretary • Unreported | 30 Jun 1996←10 Years→21 Nov 2006 | Dissolved | |
