| Company | Timeline | Status | |
| Security Lock & Seal Ltd Director • Director | 26 Sep 2019←1 Year 5 Months→16 Mar 2021 | Dissolved | |
| Aviation Lock & Seal Ltd Director • Engineer | 17 May 2017←3 Years→3 Jul 2020 | Dissolved | |
| Security Seal Technology Limited Director • Company Director | 14 Dec 2014←3 Years→14 Apr 2018 | Active | |
| Weight Reduction And Aerospace Security Products Ltd Director • Company Director | 10 Aug 2013←4 Years→12 Feb 2018 | Active | |
Lockmaster Developments Ltd Director • Engineer | 8 Sep 2012←2 Years 2 Months→11 Nov 2014 | Dissolved | |
| A S D Research & Development Ltd Director • Engineer | 1 Sep 2010←9 Years→3 Jul 2020 | Active | |
| ASD Holdings Ltd Director • Engineer | 5 Dec 2008←11 Years→3 Jul 2020 | Active | |
Alpha ASD Limited Director • Company Director | 13 Dec 2005←7 Years→1 Feb 2013 | Dissolved | |
