| Company | Timeline | Status | |
| Carl Concannon Limited Director • Consultancy | 28 Jun 2017←5 Years→13 Sep 2022 | Dissolved | |
| Concannon Consultants Limited Director • Fundraiser | 24 Sep 2003←22 Years→Current | Active | |
| 5 York Place (Clifton) Limited Director • Unreported | 27 Jun 1997←28 Years→Current | Active | |
