| Company | Timeline | Status | |
| Airport Media International Limited Director • Chairman | 10 Jan 1995←2 Years 9 Months→9 Oct 1997 | Dissolved | |
Jcdecaux Airport UK Limited Director • Director | 10 Nov 1993←3 Years→9 Oct 1997 | Dissolved | |
| David Allen Holdings Limited Director • Director | 22 Aug 1992←2 Years 1 Month→30 Sep 1994 | Active | |
| Jcdecaux Limited Director • Director | 22 Aug 1992←2 Years 1 Month→30 Sep 1994 | Active | |
| Jcdecaux United Limited Director • Director | 22 Aug 1992←2 Years 1 Month→30 Sep 1994 | Active | |
| Outsmart Out Of Home Limited Director • Company Director | 17 Jun 1992←5 Months→4 Dec 1992 | Active | |
