| Company | Timeline | Status | |
| Penton Digital Ltd Director • Director | 15 Jan 2015←10 Years→Current | Active | |
| Penton Media Ltd Director • Director | 15 Jan 2015←10 Years→Current | Active | |
| Cactus Public Relations & Communications Ltd Secretary • Unreported | 3 Nov 1999←26 Years→Current | Active | |
| Penton Exhibitions Limited Director • Exhibition Organiser | 16 Jul 1996←29 Years→Current | Active | |
| Penton Publications Limited Director • Director | 30 Nov 1994←31 Years→Current | Active | |
