| Company | Timeline | Status | |
| Holbrook & Collis Construction Ltd Director • Director | 28 Nov 2022←2 Years 11 Months→Current | Active | |
| Holbrook Construction Southern Limited Director • Director | 20 Dec 2017←7 Years→Current | Active | |
SDS Southern Limited Director • Company Director | 25 Oct 2013←2 Years 7 Months→31 May 2016 | Dissolved | |
