| Company | Timeline | Status | |
Lain Lighting Consultancy Limited Director • Lighting Consultant | 14 Nov 2011←8 Years→4 Feb 2020 | Dissolved | |
Mains Data Systems Limited Director • Managing Director | 17 Oct 2001←15 Years→30 May 2017 | Dissolved | |
| The Institution Of Lighting Professionals Director • Director | 9 Sep 1996←10 Years→4 Oct 2006 | Active | |
| David Webster Limited Director • Director | 20 Jul 1992←4 Years→31 Jan 1997 | Active | |
