| Company | Timeline | Status | |
| Jefferson Enterprises Limited Director • Company Director | 15 Aug 2015←10 Years→Current | Active | |
| Ablefeet Limited Director • Managing Director | 17 Sep 2004←21 Years→Current | Active | |
| Quotedean Limited Director • Engineer | 15 Dec 1991←34 Years→Current | Active | |
| A.P.R.A. Limited Director • Consulting Engineer | 9 May 1991←13 Years→28 Feb 2005 | Active | |
