| Company | Timeline | Status | |
| Industrial Silencers Limited Director • Steel Fabrication Engineering | 20 Sep 2010←15 Years→Current | Active | |
| 3K Engineering Limited Director • Engineer | 23 Dec 2009←15 Years→Current | Active | |
| Burgess Industrial Silencing Limited Secretary • Engineer | 22 Apr 2004←21 Years→Current | Active | |
| Burgess Industrial Silencing Limited Director • Engineer | 22 Apr 2004←21 Years→Current | Active | |
