| Company | Timeline | Status | |
| George (Mount Street) Limited Director • Painter | 4 Apr 2007←9 Months→17 Jan 2008 | Active | |
| Mark Birley Holdings Limited Director • Painter | 4 Apr 2007←2 Months→7 Jun 2007 | Active | |
| Marks Club (Charles Street) Limited Director • Painter | 4 Apr 2007←2 Months→7 Jun 2007 | Active | |
| Mark Birley Associates Limited Director • Painter | 4 Apr 2007←2 Months→7 Jun 2007 | Active | |
| Harry's Bar Limited Director • Painter | 4 Apr 2007←2 Months→7 Jun 2007 | Active | |
| Greville (3) Place Residents Limited Director • Painter | 22 Nov 2001←23 Years→Current | Active | |
| Annabel's (Berkeley Square) Limited Director • Painter | 18 Nov 1999←7 Years→7 Jun 2007 | Active | |
