| Company | Timeline | Status | |
| Harrison Geotechnical Holdings Limited Director • Director | 16 Nov 2022←2 Years 11 Months→Current | Active | |
| Hge Holdings Limited Director • Director | 16 Nov 2022←2 Years 11 Months→Current | Active | |
| Harrison Group Environmental Limited Director • Director | 16 Nov 2022←2 Years 11 Months→Current | Active | |
| Horizon Court Residents Association Ltd Director • Geotechnical Engineer | 12 Oct 2001←24 Years→Current | Active | |
