| Company | Timeline | Status | |
| British Educational Suppliers Association Director • Director | 15 Oct 1996←1 Year 12 Months→13 Oct 1998 | Active | |
| Joiner Investments Limited Director • Company Secretary | 18 Sep 1991←28 Years→29 Mar 2020 | Active | |
| Joiner Investments Limited Secretary • Unreported | 18 Sep 1991←28 Years→29 Mar 2020 | Active | |
| Trustbridge Limited Director • Company Secretary | 18 Sep 1991←28 Years→29 Mar 2020 | Active | |
| Trustbridge Limited Secretary • Unreported | 18 Sep 1991←28 Years→29 Mar 2020 | Active | |
| A G Joiner & Co Limited Secretary • Unreported | 18 Sep 1991←28 Years→29 Mar 2020 | Active | |
| A G Joiner & Co Limited Director • Company Secretary | 18 Sep 1991←28 Years→29 Mar 2020 | Active | |
| Protus Plastics Limited Director • Company Director | 4 Jul 1991←14 Years→31 Mar 2006 | Dissolved | |
| Protus Plastics Limited Secretary • Unreported | 4 Jul 1991←5 Years→1 Apr 1997 | Dissolved | |
| Philograph Publications Limited Director • Company Director | 4 Jul 1991←14 Years→31 Mar 2006 | Dissolved | |
