| Company | Timeline | Status | |
| Whittaker Group Limited Director • Unreported | 3 Mar 2020←5 Years→Current | Active | |
| Whittaker Engineering (Stonehaven) Limited Director • Unreported | 21 Dec 2016←8 Years→Current | Active | |
| Whittaker Marine And Construction Limited Director • Unreported | 9 Jun 2016←9 Years→Current | Active | |
