| Company | Timeline | Status | |
| Atom Consultants (Canterbury) Limited Director • Director | 10 Nov 2015←5 Years→1 Dec 2020 | Dissolved | |
| Gardiner Consultants Limited Director • Unreported | 12 Oct 2015←10 Years→Current | Active | |
| BTS Timber Engineering Limited Director • Chartered Engineer | 13 Nov 2001←9 Years→1 May 2011 | Active | |
| B S F Consulting Engineers Limited Director • Director | 18 Dec 1991←30 Years→2 Dec 2022 | Active | |
