| Company | Timeline | Status | |
| Birling Construction Services Ltd Director • Construction Consultant | 13 Dec 2012←19 Days→1 Jan 2013 | Active | |
| Genesa Limited Director • Director | 18 Oct 1991←4 Months→28 Feb 1992 | Dissolved | |
| Birse Construction Limited Director • Director | 18 Oct 1991←4 Years→31 Aug 1996 | Liquidation | |
