| Company | Timeline | Status | |
| Whitnell Limited Secretary • Secretary | 9 Jan 2004←21 Years→Current | Active | |
| Whitnell Limited Director • Secretary | 9 Jan 2004←21 Years→Current | Active | |
Whitnell Hire Services Ltd Director • Financial Director | 23 Jun 2003←16 Years→3 Dec 2019 | Dissolved | |
Whitnell Hire Services Ltd Secretary • Financial Director | 23 Jun 2003←16 Years→3 Dec 2019 | Dissolved | |
| Whitnell Contracts Limited Secretary • Unreported | 24 Jan 1991←34 Years→Current | Active | |
| Whitnell Contracts Limited Director • Secretary | 24 Jan 1991←34 Years→Current | Active | |
