| Company | Timeline | Status | |
| Sperrin Electrical Limited Director • Unreported | 19 Dec 2024←1 Year→Current | Active | |
| Sperrin Group Limited Director • Unreported | 15 Nov 2024←1 Year 1 Month→Current | Active | |
| Sperrin Automation And Controls Limited Director • Eica Commissioning Engineer | 29 Jan 2015←10 Years→Current | Active | |
