| Company | Timeline | Status | |
| Southwestern Engineering Limited Director • Director | 10 Oct 2008←17 Years→Current | Active | |
| NJB Developments Limited Director • Director | 10 Jun 2008←17 Years→Current | Active | |
| Milling Plant Solutions Limited Director • Consultant | 1 Jun 2003←22 Years→Current | Active | |
| Southwestern Corporation UK Limited Director • Managing Director | 23 Mar 2001←24 Years→Current | Active | |
| Southwestern Corporation Holdings Limited Director • Managing Director | 22 Mar 2001←24 Years→Current | Active | |
Southwestern Corporation Limited Director • Managing Director | 31 Oct 2000←16 Years→17 Oct 2017 | Dissolved | |
