| Company | Timeline | Status | |
| Martlet Engineering Ltd Director • Consultant Engineer | 9 Apr 2025←6 Months→Current | Active | |
| Sparrowhouse Engineering Ltd Director • Consultant Engineer | 3 Nov 2010←10 Years→29 Mar 2021 | Dissolved | |
| Lehane Development Ltd Director • Acoustic Consultant | 6 Nov 2008←2 Years 2 Months→31 Jan 2011 | Active | |
