| Company | Timeline | Status | |
| Grennan's Pot Of Gold Limited Director • Unreported | 11 Nov 2021←4 Years→Current | Active | |
| Tom Grennan Touring Limited Director • Unreported | 18 Oct 2017←8 Years→Current | Active | |
| Tom Grennan Music Limited Director • Unreported | 15 Jan 2016←9 Years→Current | Active | |
