| Company | Timeline | Status | |
| Davis French & Associates Specialist Site Services Ltd Director • Managing Director | 14 Feb 2020←5 Years→Current | Active | |
| Therefore Systems Ltd Director • Director | 8 Oct 2013←12 Years→Current | Active | |
| Therefore Environmental Testing Ltd Director • Director | 8 Oct 2013←12 Years→Current | Active | |
| Therefore Analytical Ltd Director • Director | 8 Oct 2013←12 Years→Current | Active | |
| Therefore Management Group Ltd Director • Director | 7 Oct 2013←12 Years→Current | Active | |
| Therefore Consultancy Ltd Director • Director | 24 Sep 2007←18 Years→Current | Active | |
| Davis, French & Associates Ltd Director • Director | 21 Sep 2007←18 Years→Current | Active | |
| Belfor UK Holdings Limited Director • Director | 19 Oct 2006←10 Months→6 Sep 2007 | Dissolved | |
| British Damage Management Association Director • Managing Director | 17 Nov 1999←3 Years→30 Nov 2002 | Active | |
| Disaster Line Limited Director • Director | 3 Feb 1998←9 Years→6 Sep 2007 | Dissolved | |
