| Company | Timeline | Status | |
| Silex World Ltd Director • Professor At The University Of Leeds | 4 Apr 2024←1 Year 6 Months→Current | Active | |
| Rare Earth Technology Ltd Director • Director | 25 Jul 2011←6 Years→19 Apr 2018 | Active | |
| Vitritech Limited Director • University Academic And Director | 18 May 2010←7 Years→17 Jul 2017 | Active | |
| Vitritech Limited Director • Director | 18 May 2010←2 Years→18 May 2012 | Active | |
| Hillside Court Flats (Leeds) Limited Director • Academic | 16 Nov 1998←2 Years 5 Months→20 Apr 2001 | Active | |
