| Company | Timeline | Status | |
| Thus Consultants Ltd Director • Consulting Engineer | 25 Feb 2020←4 Years→12 Mar 2024 | Dissolved | |
Pedestrian & Traffic Planning Limited Director • None | 3 Mar 2011←7 Years→23 Oct 2018 | Dissolved | |
| PTP Consultants Limited Director • None | 3 Mar 2011←10 Years→2 Nov 2021 | Dissolved | |
Passenger Transport Planning Limited Director • None | 3 Mar 2011←7 Years→23 Oct 2018 | Dissolved | |
Parking And Transportation Planning Limited Director • None | 3 Mar 2011←7 Years→23 Oct 2018 | Dissolved | |
| Singleton Clamp & Partners Limited Director • Unreported | 1 Dec 2010←14 Years→Current | Active | |
