| Company | Timeline | Status | |
| Inkerman Street Model Railway Engineers Limited Director • Director | 23 Apr 2021←4 Years→Current | Active | |
| Stonebridge Railway (2013) Limited Director • Quantity Surveyor | 16 Sep 2013←10 Years→14 Nov 2023 | Dissolved | |
| Rail Cost Information Service Limited Director • Construction Economist | 8 Jul 2013←12 Years→Current | Active | |
| MBPC Infrastructure Limited Director • Director | 11 Nov 2011←13 Years→Current | Active | |
Michael Byng Project Control (China) Limited Director • Quantity Surveyor | 13 Aug 2008←5 Years→20 May 2014 | Dissolved | |
| Michael Byng Quantity Surveyors Limited Director • Quantity Surveyor | 30 Jul 2008←17 Years→Current | Active | |
