| Company | Timeline | Status | |
| Salisbury Investment Castings Limited Director • Engineer | 6 Aug 2025←4 Months→Current | Active | |
| 247 National Limited Director • Engineer | 27 Feb 2013←12 Years→Current | Active | |
| Safe Locking Limited Director • Engineer | 13 Feb 2013←12 Years→Current | Active | |
| Tindall Engineering Limited Director • Managing Director | 30 Oct 2012←13 Years→Current | Active | |
| SN8 Limited Director • Unreported | 18 Nov 2009←16 Years→Current | Active | |
| Surelock McGill Group Limited Director • Engineer | 14 Mar 2002←23 Years→Current | Active | |
| Surelock Group Limited Director • Engineer | 14 Mar 2002←23 Years→Current | Active | |
| Stafford Bridge Doors Limited Director • Unreported | 17 Mar 2000←25 Years→Current | Active | |
| Surelock McGill Limited Director • Engineer | 30 Dec 1991←34 Years→Current | Active | |
