| Company | Timeline | Status | |
| Penton Media Ltd Director • Unreported | 15 Jan 2015←10 Years→Current | Active | |
| Penton Digital Ltd Director • Unreported | 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 • Unreported | 16 Jul 1996←29 Years→Current | Active | |
| Penton Publications Limited Secretary • Unreported | 30 Nov 1994←30 Years→Current | Active | |
| Penton Publications Limited Director • Unreported | 30 Nov 1994←30 Years→Current | Active | |
