| Company | Timeline | Status | |
| H.A.V.S. Screening Limited Secretary • Unreported | 21 Jul 2003←16 Years→28 Mar 2020 | Dissolved | |
| Occupational Screening Services Limited Secretary • Unreported | 13 Apr 2003←10 Years→21 Jan 2014 | Dissolved | |
| Occupational Nursing Services Limited Secretary • Unreported | 31 May 1998←15 Years→21 Jan 2014 | Dissolved | |
| Occupational Medical Services Limited Secretary • Unreported | 31 May 1998←21 Years→29 Mar 2020 | Active | |
| Occupational Medical Services (Sheffield) Limited Director • Chairman/managing Director | 16 Aug 1991←28 Years→29 Mar 2020 | Active | |
