| Company | Timeline | Status | |
| Unimil Systems Limited Director • Director | 29 Mar 2019←3 Years→7 Feb 2023 | Dissolved | |
| Key 2 Space Limited Director • Engineer | 22 Dec 2014←10 Years→Current | Active | |
| Asquith Butler Investments Limited Director • Engineer | 9 Sep 2004←21 Years→Current | Active | |
| Asquith Butler Limited Director • Engineer | 12 Sep 2003←22 Years→Current | Active | |
| LBP 2000 Limited Director • Engineer | 26 Sep 1995←28 Years→12 Oct 2023 | Active | |
Kingsbury Engineering (Birmingham) Limited Director • Engineer | 10 Jul 1995←21 Years→22 Nov 2016 | Dissolved | |
| Kingsbury Jig & Tool Group Limited Director • Engineer | 10 Jul 1995←30 Years→Current | Active | |
| Secure Car Parks Limited Director • Engineer | 16 Jun 1995←30 Years→Current | Active | |
| K.B.P. Ninety Three Limited Director • Engineer | 3 Oct 1994←31 Years→Current | Active | |
| Phasedetail Limited Director • Engineer | 9 Sep 1994←31 Years→Current | Active | |
