| Company | Timeline | Status | |
| Professional Engineering Projects Limited Director • Company Director | 30 Sep 2025←1 Month→Current | Active | |
| Collinson Rail Management Solutions Ltd Director • Director | 14 Apr 2022←3 Years→Current | Active | |
| Network Rail Certification Body Limited Director • Director | 16 Mar 2012←6 Years→20 Aug 2018 | Active | |
