| Company | Timeline | Status | |
| Allen Organ Studios Limited Secretary • Unreported | 15 Jul 2006←19 Years→Current | Active | |
| Allen Organ Services Limited Secretary • Unreported | 17 Jun 2002←2 Years 7 Months→1 Feb 2005 | Active | |
| Gill Wales (Hughenden Valley) Limited Secretary • Unreported | 31 Oct 1996←29 Years→Current | Active | |
