| Company | Timeline | Status | |
| Clack Contracts Limited Director • Director | 13 Apr 2024←1 Year 9 Months→Current | Active | |
| Clack Consulting Limited Director • Director | 19 Jan 2018←4 Years→18 Mar 2022 | Dissolved | |
Sean Alison Limited Director • Programme/project Management Consultant | 5 Sep 2007←10 Years→30 Mar 2018 | Dissolved | |
