| Company | Timeline | Status | |
| JP Testing & Assessments Ltd Director • Managing Director | 5 Jan 2021←4 Years→Current | Active | |
| Mach Acoustics Limited Director • Consultant | 22 Oct 2003←22 Years→Current | Active | |
| 11 Elmgrove Road (Redland) Management Company Limited Director • Acoustic Consultant | 21 Nov 2000←24 Years→Current | Active | |
