| Company | Timeline | Status | |
| On The Limit Performance Ltd Director • Mechanical Engineer | 8 Mar 2023←2 Years 8 Months→Current | Active | |
| Sam Callahan Motorsport Limited Director • Company Director | 12 May 2022←1 Year 5 Months→7 Nov 2023 | Dissolved | |
| The Drivers Side Ltd Director • Performer | 31 Jan 2021←1 Year→23 Feb 2022 | Dissolved | |
Callahan The Band Limited Director • Musician | 11 Jun 2015←1 Year 5 Months→22 Nov 2016 | Dissolved | |
