| Company | Timeline | Status | |
Spitfire (Ireland) Media Limited Director • Director | 17 Mar 2017←3 Months→4 Jul 2017 | Dissolved | |
| Penton Digital Ltd Director • Unreported | 15 Jan 2015←10 Years→Current | Active | |
| Penton Media Ltd Director • Unreported | 15 Jan 2015←10 Years→Current | Active | |
| Cactus Public Relations & Communications Ltd Director • Unreported | 4 Jan 2000←25 Years→Current | Active | |
| Penton Exhibitions Limited Director • Unreported | 16 Jul 1996←29 Years→Current | Active | |
| Penton Exhibitions Limited Secretary • Unreported | 16 Jul 1996←29 Years→Current | Active | |
| Penton Publications Limited Director • Unreported | 30 Nov 1994←30 Years→Current | Active | |
