| Company | Timeline | Status | |
| W B P Management Limited Director • Co Director | 1 Jan 2013←2 Years 1 Month→18 Feb 2015 | Active | |
| Concept Smoke Systems Ltd Director • Unreported | 9 Sep 2003←22 Years→Current | Active | |
| Concept Smoke Screen Limited Director • Technical Consultant | 1 Aug 1999←21 Years→15 Oct 2020 | Active | |
| Concept Engineering Limited Director • Technical Consultant | 6 Sep 1992←33 Years→Current | Active | |
